April 10, 2014

Merck Announces Results from Studies Evaluating Investigational Hepatitis C Treatments, MK-5172 and MK-8742, in Treatment-Naïve Patients with Genotype 1 Infection

Clinical Findings Support Advancement into Phase 3 Trials 

Thursday, April 10, 2014 1:00 am EDT

WHITEHOUSE STATION, N.J.--(BUSINESS WIRE)--Merck (NYSE:MRK), known as MSD outside of the United States and Canada, today announced additional data from the ongoing C-WORTHy study, a multi-arm Phase 2 clinical trial evaluating the efficacy and safety of a once-daily, all-oral regimen combining MK-5172, an investigational hepatitis C virus (HCV) NS3/4A protease inhibitor, and MK-8742, an investigational HCV NS5A replication complex inhibitor, among patients with chronic HCV Genotype 1 infection (GT1). In an interim analysis of treatment-naïve, non-cirrhotic patients administered a 12-week regimen of MK-5172/MK-8742, with and without ribavirin (RBV), a sustained viral response1 (SVR) was observed in 98 percent (42/43) of patients administered MK-5172/MK-8742 alone and 94 percent (75/80) in those administered MK-5172/MK-8742 plus RBV. These data were presented, along with data on an 8-week regimen, at the 49th Annual Meeting of the European Association for the Study of the Liver (EASL), also known as The International Liver Congress™ 2014, in London, UK.

“These Phase 2 results add to growing evidence for the potential efficacy of MK-5172 and MK-8742 for treatment of chronic HCV infection,” said Dr. Eliav Barr, vice president, Infectious Diseases, Merck Research Laboratories. “These findings are integral to advancing our research of these investigational candidates into C-EDGE, the Phase 3 clinical program that will seek to more broadly evaluate the potential of MK-5172/MK-8742 in diverse patient populations.”

C-WORTHy Study Design

C-WORTHy is a two-part, parallel-group, randomized (within group) clinical trial evaluating a range of subpopulations of patients with HCV GT1 infection. The study evaluated different treatment durations of MK-5172 (100 mg once daily) plus MK-8742 (50 mg once daily), with or without RBV. A total of 471 patients with HCV GT1 RNA levels of ≥10,000 IU/mL were enrolled in C-WORTHy across 16 arms.

Key Findings for MK-5172/MK-8742

The interim results presented were from treatment-naïve, non-cirrhotic patients who received one of 3 regimens: A) MK-5172/MK-8742 + RBV for 8 weeks (N=30), B) MK-5172/MK-8742 + RBV for 12 weeks (N=85), and C) MK-5172/MK-8742 (without RBV) for 12 weeks (N=44), (see table 1).

Table 1 – Interim Results from the C-WORTHy Trial Showing Treatment-Naïve, Non-Cirrhotic Patients with HCV GT1 Infection (Intention-to-Treat (ITT) Analysis)

                   
Parameter     MK-5172 + MK-8742
(NO RBV)
(12 Weeks)
(N =44)
    MK-5172 + MK-8742 + RBV
(12 Weeks)
(N = 85)
    MK-5172 + MK-8742 +
RBV
(8 Weeks)
(N =30)
SVR4-24†, % (n)     98% (43)     94% (80)     83% (25)
No SVR, % (n)
Breakthrough     0     1% (1)     0
Relapse     2% (1)     1% (1)     17% (5)
Non-virologic Discontinuation     0     4% (3)     0
By Sub-genotype
GT1a     97% (29)     94% (49)     83% (25)
GT1b§     100% (14)     94% (31)     --

† Part A: 100% of patients completed Follow-up week (FU)24; Part B: 8 week arm: 93% have completed FU8; 12 week arm: 100% of patients have completed FU4; 2 patients (Part A) and 1 patient (Part B) discontinued early and are counted as failures.

§ Two patients with GT1 (non-a, non-b) were enrolled; these are analyzed with GT1b.

Among the five patients who relapsed in the eight-week regimen arm of PN035B, two patients had very low MK-5172 and MK-8742 levels during the course of therapy. The relationship between this finding and the relapse is being investigated.

The most common adverse events recorded in the RBV and RBV-free treatment groups, respectively, were fatigue (32%, 23%), headache (20%, 33%), nausea (21%, 16%), diarrhea (13%, 9%) and insomnia (13%, 7%). There were no early discontinuations due to drug-related adverse events and no clinically significant abnormalities detected in routine laboratory analysis of hematologic markers.

PN038 Study Design and Findings

Additionally, new data from PN038, a Phase 2 dose-ranging clinical trial evaluating MK-5172 once-daily with peginterferon alfa-2b and ribavirin (PR, weekly), were presented, evaluating SVR24 in treatment-naïve, non-cirrhotic patients with GT1 infection. PN038 is a Phase 2 clinical trial investigating the efficacy and safety of MK-5172 doses (25 mg, 50 mg, and 100 mg) once-daily with PR over a 12-week treatment cycle in GT1 treatment-naïve, non-cirrhotic patients (n=87). The analysis presented was ITT, in which all patients who did not achieve SVR (including those who dropped out for non-virologic reasons), were recorded as failures.

MK-5172 at doses of 50 mg and 100 mg with PR for 12 weeks of treatment achieved SVR24 rates of 75.0 percent (21/28) and 83.3 percent (25/30), respectively, supporting use of MK-5172 below 100 mg dose (see table 2).

Table 2: PN038 Virologic Responses – (ITT Analysis)

 
Patients with HCV RNA <25 IU/mL / total # of patients (%)
        MK-5172 25 mg
with PR
(N=29)
      MK-5172 50 mg
with PR
(N=28)
      MK-5172 100 mg
with PR
(N=30)
TW*4       93.1% (27/29)       96.4% (27/28)       100.0% (30/30)
TW12       93.1% (27/29)       96.4% (27/28)       96.7% (29/30)
SVR12       48.3% (14/29)       75.0% (21/28)       86.7% (26/30)
SVR24       48.3% (14/29)       75.0% (21/28)       83.3% (25/30)

*Treatment week

The most common recorded adverse experiences recorded across all treatment arms were: fatigue (61%), headache (46%), nausea (43%), and decreased appetite (43%). These adverse experiences did not appear to be dose-related.

One patient discontinued therapy after seven days of dosing with MK-5172 100 mg, plus PR and experienced muscle inflammation (creatine kinase >5x upper limits of normal [ULN]), elevated transaminases to >3x ULN, and total bilirubin >2x ULN, associated with a positive toxicology screen for ethanol. There were no other clinically significant transaminase elevations recorded in this study.

About Merck’s Phase 3 HCV Program: C-EDGE

Based on the results of the Phase 2 clinical program, Merck has initiated Phase 3 clinical trials for MK-5172/MK-8742. The Phase 3 program, called C-EDGE, will evaluate the safety and efficacy of MK-5172/MK-8742 with and without ribavirin in various genotypes and across a broad range of patient populations with chronic HCV. Study cohorts will include: C-EDGE TN (GT1, GT4-6; treatment-naive ± cirrhosis), C-EDGE CO-INFXN (GT1, GT4-6; treatment-naive ± cirrhosis with HIV/HCV co-infection), C-EDGE RECOVERY (GT1, GT4-6; treatment-naive ± cirrhosis; ± HIV/HCV co-infection on opiate substitution therapy), and C-EDGE TE (GT1, GT4-6; prior failed treatment with peginterferon/ribavirin; ± HIV/HCV co-infection). Study information can be found at www.clinicaltrials.gov.

Merck’s Commitment to HCV

For more than 25 years, Merck has been at the forefront of the response to the HCV epidemic. Merck employees are dedicated to applying their scientific expertise, resources and global reach to deliver healthcare solutions that support people living with HCV worldwide.

About Merck

Today's Merck is a global healthcare leader working to help the world be well. Merck is known as MSD outside of the United States and Canada. Through our prescription medicines, vaccines, biologic therapies, and consumer care and animal health products, we work with customers and operate in more than 140 countries to deliver innovative health solutions. We also demonstrate our commitment to increasing access to healthcare through far-reaching policies, programs and partnerships. For more information, visit www.merck.com and connect with us on Twitter, Facebook and YouTube.

Merck Forward-Looking Statement

This news release includes “forward-looking statements” within the meaning of the safe harbor provisions of the United States Private Securities Litigation Reform Act of 1995. These statements are based upon the current beliefs and expectations of Merck’s management and are subject to significant risks and uncertainties. There can be no guarantees with respect to pipeline products that the products will receive the necessary regulatory approvals or that they will prove to be commercially successful. If underlying assumptions prove inaccurate or risks or uncertainties materialize, actual results may differ materially from those set forth in the forward-looking statements.

Risks and uncertainties include but are not limited to, general industry conditions and competition; general economic factors, including interest rate and currency exchange rate fluctuations; the impact of pharmaceutical industry regulation and health care legislation in the United States and internationally; global trends toward health care cost containment; technological advances, new products and patents attained by competitors; challenges inherent in new product development, including obtaining regulatory approval; Merck’s ability to accurately predict future market conditions; manufacturing difficulties or delays; financial instability of international economies and sovereign risk; dependence on the effectiveness of Merck’s patents and other protections for innovative products; and the exposure to litigation, including patent litigation, and/or regulatory actions.

Merck undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in Merck’s 2013 Annual Report on Form 10-K and the company’s other filings with the Securities and Exchange Commission (SEC) available at the SEC’s Internet site (www.sec.gov).

1 Defined as HCV RNA below the limit of quantification or below the limit of detection at the last visit on record – 4, 8, 12, or 24 weeks after the completion of therapy

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Gilead Announces Results from Study of Sovaldi® for Retreatment of Chronic Hepatitis C in Patients Not Cured with Prior Antiviral Therapy

-- Results Demonstrate Efficacy of Sovaldi-Based Regimen in GT1 Infected Patients Who Failed Prior Therapy with Other Direct Acting Antivirals--

-- Data Support Retreatment with Sovaldi-Based Regimen in GT2 or GT3 Infected Patients Who Failed Prior Treatment with Sovaldi --

LONDON--(BUSINESS WIRE)--Apr. 10, 2014-- Gilead Sciences, Inc. (Nasdaq: GILD) today announced results from an open-label clinical trial (Study GS-US-334-0109) evaluating once-daily Sovaldi® (sofosbuvir) 400 mg tablets for the retreatment of chronic hepatitis C virus (HCV) infection among patients who failed prior therapy. These data will be presented in two oral sessions at the 49th Annual Meeting of the European Association for the Study of the Liver (The International Liver Congress 2014) in London.

In Study GS-US-334-0109 (Oral #55), patients with genotype 1 HCV infection (n=80) received 12 weeks of treatment with once-daily Sovaldi plus weight-based ribavirin (RBV) twice-daily (1,000 or 1,200 mg/day) and pegylated interferon (peg-IFN; 180 μg/week). Patients in the study had failed prior regimens containing peg-IFN, RBV and an investigational NS3 protease inhibitor, with or without investigational direct-acting antivirals (DAAs) (NS5A and/or non-nucleoside NS5B inhibitors). Forty-five percent of patients (n=36) had received more than one course of prior therapy, and 90 percent (n=72) had at least one viral mutation associated with HCV NS3, NS5A or NS5B drug resistance.

Among the 50 patients for whom sustained virologic response data was available 12 weeks after the end of treatment (SVR12), 74 percent (n=37/50) achieved SVR12. Additionally, 80 percent (n=28/35) of patients with baseline resistance against two or more DAAs achieved SVR12.

“This study demonstrates that Sovaldi-based regimens can achieve high cure rates even among hepatitis C patients who previously failed therapy with baseline resistance to at least two DAAs,” said Stanislas Pol, MD, PhD, Professor of Hepatology and Gastroenterology, Paris Descartes University, Paris, France, and a principal investigator. “Importantly, Sovaldi has now demonstrated efficacy among genotype 1 HCV infected patients who failed prior treatment with three or four drug regimens and have developed viral resistance to some of the components of those regimens.”

In a separate presentation (Oral #8), retreatment with Sovaldi in genotype 2 (n=11) or genotype 3 (n=96) HCV infected patients who previously failed treatment with 12 or 16 weeks of Sovaldi plus RBV in the Phase 3 studies FISSION, FUSION and POSITRON was evaluated. Thirty-six percent of these patients (39/107) had cirrhosis. Patients were retreated either with a 12-week regimen of Sovaldi, RBV and peg-IFN, or a 24-week, interferon-free regimen of Sovaldi plus RBV. The choice of regimen was determined by study investigators.

Among patients with available SVR12 data, 63 percent (n=25/40) of those who received the 24-week all-oral regimen and 92 percent (n=24/26) of those who received the 12-week regimen of Sovaldi, RBV, and peg-IFN achieved SVR12.

“These data support initial findings from the Phase 3 trials, which demonstrate that Sovaldi is an effective treatment option and one that may also be particularly important for genotype 2 and 3 patients who failed a previous sofosbuvir-based regimen,” said Rafael Esteban, MD, Head of the Internal Medicine and Liver Unit, Hospital Universitari Vall d’Hebron and Professor of Medicine, Universitat Autónoma de Barcelona, Barcelona, Spain and a principal investigator for the study.

Sovaldi was well tolerated in Study GS-US-334-0109. The most common adverse events were consistent with the safety profiles of peg-IFN and/or RBV. Additional information about the study can be found at www.clinicaltrials.gov.

About Sovaldi

Sovaldi is an oral nucleotide analog inhibitor of the HCV NS5B polymerase enzyme, which plays an essential role in HCV replication. Sovaldi is a direct-acting agent, meaning that it interferes directly with the HCV life cycle by suppressing viral replication.

Sovaldi was approved in the United States on December 8, 2013 and in the European Union on January 17. In the United States, Sovaldi is approved for the treatment of chronic hepatitis C infection as a component of a combination antiviral treatment regimen. Efficacy has been established in subjects with HCV genotype 1, 2, 3 or 4 infection, including those with hepatocellular carcinoma meeting Milan criteria (awaiting liver transplantation) and those with HCV/HIV-1 co-infection. Treatment response varies based on baseline host and viral factors. Monotherapy is not recommended for treatment of chronic hepatitis C. Study GS-US-334-0109 evaluated investigational uses of Sovaldi, for which safety and efficacy have not yet been established.

IMPORTANT SAFETY INFORMATION

Contraindications

Sovaldi combination treatment with ribavirin or with peginterferon alfa plus ribavirin is contraindicated in women who are pregnant or may become pregnant and men whose female partners are pregnant because of the risk for birth defects and fetal death associated with ribavirin. Contraindications to peginterferon alfa and ribavirin also apply to Sovaldi combination treatment. Refer to the prescribing information of peginterferon alfa and ribavirin for a list of their contraindications.

Warnings and Precautions

  • Pregnancy: Use with Ribavirin or Peginterferon Alfa/Ribavirin: Ribavirin therapy should not be started unless a report of a negative pregnancy test has been obtained immediately prior to initiation of therapy. Female patients of childbearing potential and their male partners must use two forms of non-hormonal contraception during treatment and for at least 6 months after treatment has concluded. Routine monthly pregnancy tests must be performed during this time. Refer to the prescribing information for ribavirin.
  • Use with Potent P-gp Inducers: Rifampin and St. John’s wort should not be used with Sovaldi as they may significantly decrease sofosbuvir plasma concentration, reducing its therapeutic effect.

Adverse Reactions

Most common (≥20 percent, all grades) adverse reactions for:

  • Sovaldi + peginterferon alfa + ribavirin combination therapy were fatigue, headache, nausea, insomnia, and anemia
  • Sovaldi + ribavirin combination therapy were fatigue, and headache

Drug Interactions

In addition to rifampin and St. John’s wort, coadministration of Sovaldi is not recommended with carbamazepine, oxcarbazepine, phenobarbital, phenytoin, rifabutin, rifapentine, and tipranavir/ritonavir. Such coadministration is expected to decrease the concentration of sofosbuvir, reducing its therapeutic effect.

About Gilead Sciences

Gilead Sciences is a biopharmaceutical company that discovers, develops and commercializes innovative therapeutics in areas of unmet medical need. The company’s mission is to advance the care of patients suffering from life-threatening diseases worldwide. Headquartered in Foster City, California, Gilead has operations in North and South America, Europe and Asia Pacific.

Forward-Looking Statement

This press release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are subject to risks, uncertainties and other factors, including the possibility of unfavorable longer-term results from clinical trials evaluating Sovaldi for the treatment or retreatment of HCV, and the risk that healthcare providers, payers or insurers may not recognize the benefits of Sovaldi. As Sovaldi is used over longer periods of time by treatment-experienced patients with underlying health problems taking numerous other medicines, Gilead may find new issues such as safety, resistance or drug interaction issues, which may require it to provide additional warnings or contraindications in the label, which could reduce the market acceptance of Sovaldi. These risks, uncertainties and other factors could cause actual results to differ materially from those referred to in the forward-looking statements. The reader is cautioned not to rely on these forward-looking statements. These and other risks are described in detail in Gilead’s Annual Report on Form 10-K for the year ended December 31, 2013, as filed with the U.S. Securities and Exchange Commission. All forward-looking statements are based on information currently available to Gilead, and Gilead assumes no obligation to update any such forward-looking statements.

U.S. full prescribing information for Sovaldi is available at www.gilead.com.

Sovaldi is a registered trademark of Gilead Sciences, Inc.

For more information on Gilead Sciences, please visit the company’s website at www.gilead.com, follow Gilead on Twitter (@GileadSciences) or call Gilead Public Affairs at 1-800-GILEAD-5 or 1-650-574-3000.

Source: Gilead Sciences, Inc.

Gilead Sciences, Inc.
Patrick O’Brien, +1 650-522-1936 (Investors)
Cara Miller, +1 650-522-1616 (Media (U.S.))
Arran Attridge, +44 208 587 2477 (Media (Europe))

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Gilead Announces Phase 2 Results for Two Investigational All-Oral Sofosbuvir-Based Regimens for the Treatment of Chronic Hepatitis C

-- Data Support Efficacy of Ledipasvir/Sofosbuvir Fixed-Dose Combination with Ribavirin in Genotype 3 HCV; Product Under Regulatory Review for Genotype 1 in U.S., Europe --

-- Combination of Sofosbuvir and GS-5816 Demonstrates Efficacy Against HCV Genotypes 1-6 --

LONDON--(BUSINESS WIRE)--Apr. 10, 2014-- Gilead Sciences, Inc. (Nasdaq: GILD) today announced data from two Phase 2 studies evaluating investigational all-oral regimens containing the nucleotide analog polymerase inhibitor sofosbuvir (SOF) for the treatment of chronic hepatitis C virus (HCV) infection. These data are being presented this week at the 49th Annual Meeting of the European Association for the Study of the Liver (The International Liver Congress 2014) in London.

The first study, ELECTRON2 (Oral #6), is an ongoing, open-label Phase 2 clinical trial evaluating a once-daily fixed-dose combination of SOF 400 mg and the NS5A inhibitor ledipasvir (LDV) 90 mg, with and without ribavirin (RBV) twice-daily (1,000 or 1,200 mg/day), among HCV-infected patient populations.

In this study, 100 percent (n=26/26) of treatment-naïve genotype 3 patients receiving 12 weeks of LDV/SOF plus RBV and 64 percent (n=16/25) of treatment-naïve genotype 3 patients receiving 12 weeks of LDV/SOF without RBV achieved a sustained virologic response 12 weeks after completing therapy (SVR12). Among genotype 1-infected patients who had failed prior treatment with SOF plus RBV, 100 percent (19/19) achieved SVR12 following 12 weeks of LDV/SOF plus RBV. Additionally, 65 percent (n=13/20) of genotype 1-infected patients with decompensated or Child-Turcotte-Pugh Class B cirrhosis receiving 12 weeks of LDV/SOF without RBV achieved SVR12. LDV/SOF with and without RBV was well-tolerated, including among patients with more advanced liver disease.

“The ELECTRON2 data suggest that an all-oral regimen of LDV/SOF plus RBV has the potential to provide high cure rates for genotype 3 patients in just 12 weeks – half the duration of current all-oral treatment regimens,” said Professor Edward Gane, MD, Deputy Director and Hepatologist, New Zealand Liver Transplant Unit, Auckland City Hospital in New Zealand, and principal investigator of the ELECTRON2 study. “These results also suggest that LDV/SOF may be an effective treatment regimen for HCV genotype 1-infected patients who have failed a previous sofosbuvir-based regimen and those with advanced liver disease, including decompensated cirrhosis.”

A second study, Study GS-US-342-0102 (Oral #111), is an ongoing randomized Phase 2 clinical trial in which treatment-naïve, non-cirrhotic patients with genotypes 1-6 HCV infection received a 12-week course of SOF plus the pan-genotypic NS5A inhibitor GS-5816. Patients received SOF 400 mg and either GS-5816 25 mg (n=77) or GS-5816 100 mg (n=77). In this study, 94.8 percent (n=73/77) of patients receiving the 25 mg dose of GS-5816 and 96.1 percent (n=74/77) of patients receiving the 100 mg dose achieved SVR12.

“The results of this study of sofosbuvir with a new pan-genotype NS5A inhibitor demonstrate the curative potential of this combination,” said Gregory T. Everson, MD, Professor of Medicine and Director, Section of Hepatology, University of Colorado, Denver, and principal investigator of Study GS-US-342-0102. “The combination was not only effective across all genotypes and patient subgroups, but also was well tolerated. These results warrant additional study in future trials, with the hope of providing a potent, pan-genotypic combination with few side effects and a high chance for cure.”

The most common adverse events occurring in more than 10 percent of patients were fatigue, headache and nausea. There were no treatment discontinuations due to adverse events, and no evidence of treatment-related laboratory abnormalities.

Additional information about ELECTRON2 and GS-US-342-102 can be found at www.clinicaltrials.gov.

About SOF-Based Fixed-Dose Combinations

Full data from three Phase 3 clinical trials of the LDV/SOF fixed-dose combination (ION-1, ION-2 and ION-3) are also being presented at The International Liver Congress 2014. Gilead announced topline results from the ION studies on December 18, 2013. On February 10, 2014, Gilead submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for the LDV/SOF fixed-dose combination tablet for the treatment of genotype 1 HCV infection in adults. The FDA has assigned the product a Breakthrough Therapy designation, which is granted to investigational medicines that may offer major advances in treatment over existing options. On April 7, 2014, the company announced that the FDA has granted the application a priority review, setting a target action date under the Prescription Drug User Fee Act (PDUFA) of October 10, 2014.

On March 27, 2014, the European Medicines Agency (EMA) accepted Gilead’s request for accelerated assessment for LDV/SOF, a designation that is granted to new medicines of major public health interest. Accelerated assessment could shorten the EMA’s review time of LDV/SOF by two months, although it does not guarantee a positive opinion from the Committee for Medicinal Products for Human Use, or final approval by the European Commission.

Gilead has developed a once-daily fixed-dose combination tablet containing SOF and GS-5816. A second Phase 2 clinical trial (Study GS-US-342-0109) evaluating 12 weeks of SOF plus GS-5816, with or without RBV, among treatment-experienced cirrhotic and non-cirrhotic patients with genotypes 1 or 3 HCV infection is ongoing. Pending full results from Studies GS-US-334-102 and GS-US-342-0109, Gilead plans to initiate Phase 3 studies evaluating the efficacy and safety of the SOF/GS-5816 fixed-dose combination.

LDV/SOF and SOF/GS-5816 are investigational products and their safety and efficacy have not yet been established.

SOF as a single agent is approved as Sovaldi® in the United States, European Union, Canada, New Zealand and Switzerland.

About Gilead Sciences

Gilead Sciences is a biopharmaceutical company that discovers, develops and commercializes innovative therapeutics in areas of unmet medical need. The company’s mission is to advance the care of patients suffering from life-threatening diseases worldwide. Headquartered in Foster City, California, Gilead has operations in North and South America, Europe and Asia Pacific.

Forward-Looking Statement

This press release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are subject to risks, uncertainties and other factors, including the risk that the FDA, European Commission and other regulatory agencies may not approve the LDV/SOF fixed-dose combination in the currently anticipated timelines or at all, and that any marketing approvals, if granted, may have significant limitations on its use. Further, additional clinical studies of LDV/SOF, including subsequent results from ELECTRON2, may produce unfavorable results. As a result, Gilead may not be able to successfully commercialize LDV/SOF, and may make a strategic decision to discontinue its development if, for example, the market for the product fails to materialize as expected. Additional risks include the possibility of unfavorable results from additional studies of SOF/GS-5816 and the possibility that Gilead may make a strategic decision to discontinue development of the fixed-dose combination of SOF/GS-5816 if, for example, Gilead believes commercialization will be difficult relative to other opportunities in its pipeline. These risks, uncertainties and other factors could cause actual results to differ materially from those referred to in the forward-looking statements. The reader is cautioned not to rely on these forward-looking statements. These and other risks are described in detail in Gilead’s Annual Report on Form 10-K for the year ended December 31, 2013, as filed with the U.S. Securities and Exchange Commission. All forward-looking statements are based on information currently available to Gilead, and Gilead assumes no obligation to update any such forward-looking statements.

U.S. full prescribing information for Sovaldi is available at www.gilead.com.

Sovaldi is a registered trademark of Gilead Sciences, Inc.

For more information on Gilead Sciences, please visit the company’s website at www.gilead.com, follow Gilead on Twitter (@GileadSciences) or call Gilead Public Affairs at 1-800-GILEAD-5 or 1-650-574-3000.

Source: Gilead Sciences, Inc.

Gilead Sciences, Inc.
Patrick O’Brien, +1 650-522-1936 (Investors)
Cara Miller, +1 650-522-1616 (Media (U.S.))
Arran Attridge, +44 208 587 2477 (Media (Europe))

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April 9, 2014

A Call For Pricey Treatment For Millions With Hepatitis-C

Provided by Kaiser Health News

By Richard Knox
April 9th, 2014, 8:43 AM

Authors of the first-ever global hep-C guidelines went big Tuesday, advocating for worldwide use of two of the most expensive specialty drugs in the world.

untitled

The new guidelines, from the World Health Organization, give strong endorsement to the two newest hep-C drugs. Gilead Science’s Sovaldi costs $1,000 per pill/$84,000 for a 12-week course of treatment and Olysio, Janssen Pharmaceuticals, $66,360 for its three-month course.

The prices have ignited a firestorm of objection. In the United States, doctors and insurers worry that the cost of the drugs  will make their widespread use impossible. And critics say even if the prices are heavily discounted, the drugs will still be unaffordable in most of the world.

The WHO’s recommendation that all 150 million people around the globe with chronic hep-C infection “should be assessed for antiviral treatment” was made “without taking resource use into consideration.” That’s because the price of the drugs outside the U.S. was unknown in December, when the WHO panel wrapped up its work.

Authors of the report are quick to acknowledge neither the assessment nor the actual treatment would happen anytime soon.

“A lot has to happen for this to really take off in a big way,” the guidelines’ chief architect, Dr. Stefan Wiktor, said. “Even if prices came down dramatically tomorrow, that doesn’t mean there would be an immediate rush to treatment.”

Screening programs for hep-C need to be ramped up. Labs to determine the genetic type of the virus (crucial in choosing treatment regimens) have to be built and staffed. Medical personnel need to be able to assess when viral liver damage has progressed to the point when treatment is urgent. And hep-C drugs have to be chosen wisely and administered carefully.

Fewer than a quarter of Americans with chronic hep-C currently have had or are getting any treatment. In Europe, treatment has reached only 3.5 percent. And in most countries, Wiktor says, “hardly anyone is getting treatment.”

The WHO guidelines are setting a deliberately high standard in the hope, Wiktor says, of replicating the remarkable dissemination of antiviral therapy for HIV.

Starting from a similar point of little distribution 15 years ago, antiviral treatment for HIV now reaches around 10 million people, most of them in the poorest countries of sub-Saharan Africa. HIV infects more than 35 million people globally (and almost a third of those also have hep-C). That makes chronic hep-C infection at least four times more prevalent.

But HIV requires lifelong antiviral treatment. The big difference with hep-C is that suddenly there are drugs that can actually cure more than 90 percent of patients with a three-month regimen. “Treatments are getting better, shorter and safer,” Wiktor says.

The controversy over the cost is apparently beginning to have an effect on pricing. Egypt, which has the world’s highest hep-C infection rates – somewhere around 20 percent of the population – has negotiated a 99 percent discount on Sovaldi, to $900 for a 12-week course.

Gilead, Sovaldi’s maker, is “tiering” its price for the drug in other countries too — $55,000 in Canada, $66,000 in Germany, and reportedly around $2,000 for a generic version that may be licensed to several Indian companies.

But those discounts don’t impress some critics, such as Rohit Malpani of Doctors Without Borders. “When you’re starting from such an exorbitant price in the US, the price Gilead will offer middle-income countries like Thailand and Indonesia may seem like a good discount, but it will still be too expensive for many of these countries to scale up treatment.”

Other forces may drive prices lower. “A number of other (hep-C) medicines are coming down the pike,” WHO’s Wiktor notes. “At least 20. That in itself will provide competition as companies try to assure market share.”

A flood of new data on the effectiveness of new medicines is expected this week at an International Liver Congress in London, where the new WHO guidelines were unveiled.

“The dynamism around hep-C is really remarkable,” Wiktor says. “Once you know you can cure somebody, that really changes the tone of the conversation.”

But until the prices fall, and until (or unless) pressure develops to shake loose massive new amounts of funding to pay for access to the new drugs, hard choices loom.

For instance, the WHO guidelines say that treatments will have to be rationed, starting with patients whose livers are heavily scarred or frankly cirrhotic – putting them at high risk for liver cancer or the need for liver transplants.

“We don’t have reliable figures, but about 20 percent of people with chronic hep-C are in that stage,” he replied. “That would be 26 to 30 million people globally.”

Or around three times the number receiving HIV treatment.

This entry was posted on Wednesday, April 9th, 2014 at 8:43 am.

Source

Also See: WHO issues its first hepatitis C treatment guidelines for the screening, care and treatment of persons with Hepatitis C at EASL

Preparing Providers for Hepatitis Patients: Online Hepatitis Program for Primary Care Providers Launches

ALEXANDRIA, Va., April 9, 2014 /PRNewswire/ -- The American Association for the Study of Liver Diseases (AASLD) launched ACT-First: A Practical Introduction to Liver Disease. "ACT" stands for AASLD Curriculum and Training" and "First" refers to first-line providers.  This educational program for primary care and other interested health care providers consists of a web-based curriculum in hepatology that will be provided free of cost to any interested healthcare provider in or out of the United States. The curriculum launched at the annual meeting of the American College of Physicians (ACP). 

"We need this program because there is a shortage of providers treating patients with liver diseases," said Guadalupe Garcia-Tsao, MD, Professor of Medicine at Yale University and a key contributor to ACT-First. The curriculum will cover most of the common liver diseases and, given the number of affected patients, the first two available units are dedicated to hepatitis B and hepatitis C, respectively.

Providers undergoing the pilot program will be able to recognize patients at risk for hepatitis B and C and will be able to screen and evaluate patients with positive viral serologies and determine those who are appropriate candidates for antiviral therapy. "AASLD knows there is a need to make available an easily accessible hepatology curriculum that would guide primary care providers -- many of whom may not feel comfortable treating patients with liver disease -- through the identification, evaluation, and treatment of patients with liver disease," said Dr. Garcia-Tsao.

Recent policy developments and scientific breakthroughs have created the need for a program such as this:

  1. The Centers for Disease Control and Prevention (CDC) recommended a one-time, age-based screening for hepatitis C in 2012.
  2. The US Preventive Services Task Force gave hepatitis C a grade of "B" in 2013 allowing for payment by Medicare and private insurers for testing with no copayment by patient.
  3. Interferon-free, antiviral, oral medicines were approved by the Food and Drug Administration (FDA) in 2013.

The age-based screening of baby boomers is predicted to diagnose around 800,000 patients with hepatitis C. AASLD is a medical society of specialists that understands the need for the primary care community to become more aware of these new developments and to increase the workforce of healthcare providers involved in the care of patients with viral hepatitis. FDA approval of these new drugs and the promise of numerous drugs about to be approved prompted AASLD to partner with the Infectious Disease Society of America and the International Antiviral Society-USA to develop a hepatitis C practice guidance. That guidance is available on the Web free of charge and received 65,000 unique visitors since it was published online on January 29, 2014.

AASLD produced ACT-First in association with the ACP, CDC, Project ECHO (Extension for Community Healthcare Outcomes), and the U.S. Department of Veterans Affairs (VA). Addressing AASLD's collaboration in developing ACT-First, Dr. Garcia-Tsao said, "One of the strengths of this curriculum is that we got the point of view and input from primary providers themselves by collaborating with ACP, CDC, Project ECHO and VA. By collaborating, we were able to tailor the curriculum to the needs of primary care providers."

AASLD is the leading medical organization for advancing the science and practice of hepatology. Founded by physicians in 1950, AASLD's vision is to prevent and cure liver diseases.

Visit www.aasld.org for more information.

Media Contact: Gregory Bologna
gbologna@aasld.org
Telephone: (703) 299-9766

This release was issued through The Xpress Press News Service, merging e-mail and satellite distribution technologies to reach business analysts and media outlets worldwide. For more information, visit http://www.XpressPress.com.

SOURCE American Association for the Study of Liver Diseases (AASLD)

RELATED LINKS
http://www.aasld.org

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EASL – Cost tops the agenda as hepatitis C enters post-interferon world

Provided by EP Vantage

Date April 09, 2014

Scientific questions usually dominate medical meetings – except for the hepatitis C field, in which a long-awaited drug costs $1,000 a day and has cast a long shadow over global access. So it is with Europe’s main liver disease meeting, where specialists are openly wondering about how to deliver the best treatments to patients in even the richest countries of the West.

Gilead Sciences’ Sovaldi can cure as many as nine out of 10 hep C patients, depending on genotype and stage, but its cost has provoked pushback from payers around the world. With even pharmacy benefit managers in the US objecting, this has raised questions about whether this time rich nations will be able to subsidise delivery of a much-needed new drug to developing nations, as has happened in the past.

“This is based on an old model; the HIV model,” said Jean-Michel Pawlotsky, Director of the French National Reference Centre for Viral Hepatitis B, C and delta. “I think the rich will no longer be able to pay for the poor.”

Continue reading full article here ……

EASL 2014: International Liver Congress Starts this Week in London

Provided by HIVandHepatitis.com

Details Category: HBV Treatment Published on Tuesday, 08 April 2014 00:00 Written by HIVandHepatitis.com

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The European Association for the Study of the Liver's International Liver Congress (EASL 2014) takes place April 9-13 at the ExCel Centre in London. The annual conference is one of the key annual scientific meetings covering viral hepatitis and its complications. Also on Thursday, the World Health Organization (WHO) will release new global guidelines for hepatitis C.

With next-generation direct-acting antivirals exiting the development pipeline or in the final stages of testing, new treatments for hepatitis C will be a key theme of the meeting, in particular long-awaited interferon-free regimens. New data will be presented on several approved or Phase 3 drugs -- many with cure rates in the 90% to 100% range -- including:

  • Gilead Sciences' sofosbuvir (Sovaldi) plus ledipasvir coformulation used alone or with ribavirin or a third DAA.
  • Janssen's protease inhibitor simeprevir (Olysio) in interferon-free regimens.
  • AbbVie's "3D" combination containing ABT-450, ABT-333, and ABT-267.
  • Bristol-Myers Squibb's daclatasvir and asunaprevir.
  • Merck's MK-5172 and MK-8742.
  • Boehringer Ingelheim's faldaprevir.

Continue reading full article here

WHO joins clamor to make new hepatitis C pills affordable

By Ben Hirschler
LONDON  Wed Apr 9, 2014 4:37pm IST

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The World Health Organization (WHO) headquarters are pictured in Geneva November 9, 2009.
Credit: Reuters/Denis Balibouse

(Reuters) - The World Health Organization wants a "concerted effort" to drive down the cost of new hepatitis C drugs that offer a cure for the liver-destroying virus but are unaffordable for most infected people worldwide.

The forthright comments from the UN agency on Wednesday add to pressure on drugmakers such as Gilead Sciences - which is already facing protests in the United States over its $1,000-a-day pill - to do more to improve access.

In its first-ever treatment guidelines for the disease, issued at a meeting of international liver experts in London, the WHO strongly recommended new drugs from Gilead and Johnson & Johnson - with a big caveat on their cost.

Treating the approximately 150 million people in the world living with chronic hepatitis C infection is the new front-line in the battle over access to medicines.

As with AIDS 15 years ago, modern drugs are transforming the ability to fight hepatitis C because pills such as Gilead's Sovaldi are far more effective and better-tolerated than older injection regimens, with cure rates well above 90 percent in many cases.

"These drugs are fantastic - they are a real breakthrough," Markus Peck-Radosavljevic, a professor of medicine in Vienna and secretary-general of the European Association for the Study of the Liver, told Reuters. "But the prices are too high."

Pharmaceutical companies say they need to charge high prices on new successful drugs to cover the huge cost of development, including of those that fail to make it to the market.

A record number of promising results from late-stage clinical trials on a range of new oral medicines will be showcased at the International Liver Congress this week.

Hepatitis C virus, or HCV, is spread through blood, often via contaminated needles. It causes cirrhosis and liver cancer. The vast majority of cases are in poorer countries where the complexity, cost and side effects of current treatments have made treatment impractical.

The arrival of simple pills, taken for as little as a couple of months, could revolutionize therapy, if the price is right.

By giving governments a plan setting out how to test for, treat and prevent HCV, the WHO is laying foundations for tackling the disease, while spurring demand and sending a strong message on price.

"I hope these guidelines will help to promote a reduction in price and thereby an increase in access," said Stefan Wiktor, who leads the WHO hepatitis programme.

COMPULSORY LICENCES?

Drawing a clear parallel with the experience of HIV/AIDS, the WHO believes a "multi-pronged" approach is needed. This could include tiered price discounts by branded drugmakers, voluntary licensing and also compulsory licensing.

Voluntary licensing involves a patent owner agreeing to license its drug to generic manufacturers, while a compulsory license is issued by a government without any such agreement - something the pharmaceuticals industry is keen to avoid.

After dragging their feet for years over access to AIDS drugs in Africa, pharmaceuticals makers are trying to take the initiative this time. Market leader Gilead recently agreed a 99 percent price discount for Egypt and plans to grant voluntary licenses to several Indian generics firms.

J&J has also promised to work on access and others entering the area - such as AbbVie, Bristol-Myers Squibb and Merck & Co - are expected to follow suit.

But campaigners want more. The Medecins Sans Frontieres group believes a 12-week course of treatment and diagnosis should cost no more than $500. That compares with the $84,000 and $66,000 charged by Gilead and J&J respectively for their drugs in the United States.

There is also a big concern about middle-income countries such as China, India and Russia, which are home to most cases of HCV worldwide but where drug companies are more reluctant to accept rock-bottom prices than in the poorest nations.

Charles Gore, president of the patient-led World Hepatitis Alliance, welcomed the WHO guidelines but said international funding along the lines of the Global Fund to Fight AIDS, Tuberculosis and Malaria was now needed.

When it comes to profits, drug companies are expecting to make most of their money in the United States, where medicines traditionally fetch a premium.

But the scale of the expected demand for new hepatitis C drugs - which industry analysts believe will translate into annual sales of $9.1 billion for Sovaldi alone by 2017, according to Thomson Reuters data - means the industry is under fire.

U.S. lawmakers asked Gilead last month to explain the $84,000 price tag on Sovaldi, hitting shares in the firm and raising fears across the biotech sector.

"Until we develop a better model, we are still in the situation where investors in pharma want to recompensed on the winners for all the losers - and there have been a lot of losers in hepatitis C over the years," said Gore.

(Reporting by Ben Hirschler; editing by David Stamp)

Source

Also See: WHO issues its first hepatitis C treatment guidelines for the screening, care and treatment of persons with Hepatitis C at EASL

WHO issues its first hepatitis C treatment guidelines for the screening, care and treatment of persons with Hepatitis C at EASL

News release

The World Health Organization (WHO) has issued its first guidance for the treatment of hepatitis C, a chronic infection that affects an estimated 130 million to 150 million people and results in 350 000 to 500 000 deaths a year.

9 April 2014 | London, United Kingdom - WHO has issued its first guidance for the treatment of hepatitis C, a chronic infection that affects an estimated 130 million to 150 million people and results in 350 000 to 500 000 deaths a year.

The publication of the "WHO Guidelines for the screening, care and treatment of persons with hepatitis C infection" coincides with the availability of more effective and safer oral hepatitis medicines, along with the promise of even more new medicines in the next few years.

“The WHO recommendations are based on a thorough review of the best and latest scientific evidence,” says Dr Stefan Wiktor, who leads WHO’s Global Hepatitis Programme. “The new guidance aims to help countries to improve treatment and care for hepatitis and thereby reduce deaths from liver cancer and cirrhosis.”

WHO will be working with countries to introduce the guidelines as part of their national treatment programmes. WHO support will include assistance to make the new treatments available and consideration of all possible avenues to make them affordable for all. WHO will also assess the quality of hepatitis laboratory tests and generic forms of hepatitis medicines.

“Hepatitis C treatment is currently unaffordable to most patients in need. The challenge now is to ensure that everyone who needs these drugs can access them,” says Dr Peter Beyer, Senior Advisor for the Essential Medicines and Health Products Department at WHO. “Experience has shown that a multi-pronged strategy is required to improve access to treatment, including creating demand for treatment. The development of WHO guidelines is a key step in this process.”

Nine key recommendations

The new guidelines make nine key recommendations. These include approaches to increase the number of people screened for hepatitis C infection, advice as to how to mitigate liver damage for those who are infected and how to select and provide appropriate treatments for chronic hepatitis C infection.

Screening

WHO recommends a screening test for those considered at high risk of infection, followed by another test for those who screen positive, to establish whether they have chronic hepatitis C infection.

Mitigating liver damage

Since alcohol use can accelerate liver damage caused by hepatitis C, WHO now advises that people with chronic hepatitis C infection receive an alcohol assessment. The Organization also recommends providing counseling to reduce alcohol intake for people with moderate or high alcohol use. In addition, the guidelines provide advice on the selection of the most appropriate test to assess the degree of liver damage in those with chronic hepatitis C infection.

Treatment

The guidelines provide recommendations on existing treatments based on interferon injections as well as the new regimens that use only oral medicines. WHO will update recommendations on drug treatments periodically as additional antiviral medicines are registered on the market and new evidence emerges.

Prevention

The 2014 recommendations also summarize for policy makers and health care workers interventions that should be put in place to prevent transmission of hepatitis C, including measures to assure the safety of medical procedures and injections in health care settings and among persons who inject drugs. Rates of new hepatitis C infections remain unacceptably high in many countries because of the reuse of injection equipment and lack of screening of blood transfusions.

“Many people remain unaware - sometimes for decades - that they are infected with hepatitis C,” says Dr Andrew Ball, Senior Advisor for Policy, Strategy and Equity for WHO’s HIV/AIDS Department where the Global Hepatitis Programme is housed. “Today’s launch highlights the need for more awareness and education on hepatitis for the general public. Greater awareness on the risks associated with hepatitis C should lead to a demand for services and expansion of laboratory capacity and clinical services so that more people can be tested, treated and cured.”

There are five main hepatitis viruses, referred to as types A, B, C, D and E. Hepatitis B and C have the greatest public health impact because they cause chronic infection which can progress to cirrhosis and liver cancer. Hepatitis A and E, spread though unsafe water and contaminated food, have the potential to cause outbreaks in certain populations.

Hepatitis C virus is most commonly transmitted through exposure to contaminated blood. Those at risk include people undergoing invasive medical procedures and therapeutic injections where there is poor infection control. Also at risk are those exposed to contaminated injecting and skin piercing equipment, including through injecting drug use, tattooing and body piercing.

The WHO Guidelines for the screening, care and treatment of persons with hepatitis C infection were launched on the eve of the opening of the 2014 International Liver Congress, attended by around 10 000 delegates in London.

For more information, contact

Glenn Thomas
Mobile: +41 79 509 0677
Telephone.: +41 22 791 3983
Email: thomasg@who.int

Tunga Namjilsuren
WHO Information manager
Telephone: + 41 22 791 1073
Email: namjilsurent@who.int

Source


Guidelines for the screening, care and treatment of persons with hepatitis C infection

Authors: WHO

Guidelines for the screening, care and treatment of persons with hepatitis C infection

Publication details

Number of pages: 124
Publication date: April 2014
Languages: English
ISBN: 978 92 4 154875 5

Downloads

Guidelines pdf, 1.77Mb

Overview

These are the first guidelines dealing with hepatitis C treatment produced by the World Health Organization (WHO) and complement existing guidance on the prevention of transmission of bloodborne viruses, including HCV. They are intended for policy-makers, government officials, and others working in low- and middleincome countries who are developing programmes for the screening, care and treatment of persons with HCV infection.

These guidelines serve as a framework that can allow the expansion of clinical services to patients with HCV infection, as they provide key recommendations in these areas and discuss considerations for implementation. The guidelines are also intended for health-care providers who care for persons with HCV infection in low- and middle-countries and provide them guidance in the management of patients infected with HCV.

Source

EASL publishes online recommendations on the management of hepatitis C

PUBLIC RELEASE DATE: 9-Apr-2014 Contact: Courtney Lock
courtney.lock@cohnwolfe.com
44-789-438-6422
European Association for the Study of the Liver

London, UK, Wednesday 9 April 2014: The European Association for the Study of the Liver (EASL) will this week be announcing new on-line recommendations on the management of hepatitis C (HCV) at the International Liver Congress™ (ILC). These EASL recommendations reflect the approval of three new direct-acting antivirals (DAAs) during 2014 by the European Medicines Agency.

It is estimated that approximately 185 million people are infected with HCV on a global scale, with approximately 150 million people living with chronic infection. In Europe, between 7.3 million and 8.8 million people are infected with HCV and approximately 3-4 million people become newly infected each year.

Three new HCV DAAs that are more efficacious and better-tolerated, will be on the European market in the first half of 2014, for use as part of combination therapies for HCV infection. Sofosbuvir, a nucleotide analogue inhibitor of HCV ribonucleic acid (RNA)-dependent RNA polymerase, was approved in January 2014. Simeprevir, a second-wave, first-generation NS3/4A protease inhibitor will be approved in May 2014. Daclatasvir, an NS5A inhibitor, is likely to be approved in August or September 2014.

Coordinator of the recommendations and Director of the French National Reference Centre for Viral Hepatitis Professor Jean-Michel Pawlotsky said: "Since EASL published the HCV Clinical Practice Guidelines in 2013, the treatment paradigm for HCV has changed with three additional direct-acting antivirals - sofosbuvir, simeprevir and daclatasvir –scheduled for approval this year for use in patients infected with HCV genotype 1."

"These groundbreaking drugs continue to revolutionise treatment for HCV patients, including those who failed to respond to previous therapies. The new on-line recommendations provide essential information on the recommended use of these new compounds with and without interferon to help prescribers deliver optimal care for their HCV patients."

Based on a systematic review of existing literature, the new recommendations provide best practice on a number of key areas:

  • Indications for treatment: who should be treated?
  • Available drugs (approved by EMA before the end of 2014)
  • Treatment of chronic hepatitis C
  • Treatment monitoring
  • Measures to improve treatment adherence
  • Post-treatment follow-up of patients who achieve an SVR
  • Retreatment of non-sustained virological responders
  • Treatment of patients with severe liver disease
  • Treatment of special groups

Commenting on the new on-line recommendations, EASL Governing Board member and recommendation panel member Dr. Alessio Aghemo said: "These new EASL on-line recommendations on the management of HCV reflect how the treatment landscape has evolved for this disease, and will further help physicians and other healthcare providers optimise management of patients with acute and chronic HCV."

The new EASL on-line HCV management recommendations will be presented during a session at the ILCTM in London on Saturday 12th April 2014 from 14:00 to 15:00.

###

Disclaimer: the data referenced in this release is based on the submitted abstract. More recent data may be presented at the International Liver Congress™ 2014.

Notes to Editors

About EASL

EASL is the leading European scientific society involved in promoting research and education in hepatology. EASL attracts the foremost hepatology experts and has an impressive track record in promoting research in liver disease, supporting wider education and promoting changes in European liver policy.

EASL's main focus on education and research is delivered through numerous events and initiatives, including:

  • The International Liver CongressTM which is the main scientific and professional event in hepatology worldwide
  • Meetings including Monothematic and Special conferences, Post Graduate courses and other endorsed meetings that take place throughout the year
  • Clinical and Basic Schools of Hepatology, a series of events covering different aspects in the field of Hepatology
  • Journal of Hepatology published monthly
  • Participation in a number of policy initiatives at European level

    About The International Liver CongressTM 2014

The International Liver Congress™ 2014, the 49th annual meeting of the European Association for the study of the Liver, is being held at ExCel London from April 9 – 13, 2014. The congress annually attracts in excess of 9000 clinicians and scientists from around the world and provides an opportunity to hear the latest research, perspectives and treatments of liver disease from principal experts in the field.

For further information on the guidelines, or to request an interview, please do not hesitate to contact the EASL Press Office on:
Email: easlpressoffice@cohnwolfe.com

Helena Symeou +44 7976 562 430
Courtney Lock +44 7894 386 422

1.World Health Organization. WHO Guidelines for the Screening, Care and Treatment of Persons with Hepatitis C Infection. 2014.
2. European Association for the Study of the Liver. Clinical Practice Guidelines - Update on the management of hepatitis C virus infection. Journal of Hepatology, 2014.
3. WebMD. Hepatitis Health Center. Available at http://www.webmd.com/hepatitis/ Accessed 01.04.14

Source

April 8, 2014

Gilead aims to license hepatitis C drug to 3-4 Indian firms

By Ben Hirschler
LONDON  Tue Apr 8, 2014 11:42am EDT

(Reuters) - Gilead Sciences aims to license its new hepatitis C drug Sovaldi to three or four Indian generic manufacturers to allow sales of the medicine at lower prices in some 60 developing nations.

Clifford Samuel, head of access operations and emerging markets at the U.S. drugmaker, told Reuters he expected to have deals in place shortly with the Indian firms, which would be able to produce the drug in high volumes and at low margins.

Gilead is under pressure to address the high cost of its breakthrough pill, which is the first of a new wave of drugs that have been shown to raise cure rates and cut treatment duration without the side effects of current injections.

"We're in the midst of discussions right now. We're nailing down the geographical scope, and we should have these licenses in place and ready to go in short order," Samuel said on a visit to London for an international liver conference.

He said Gilead was looking to strike deals with firms that had proven experience in producing generic versions of its HIV/AIDS drugs, such as the Indian division of Mylan.

The Foster City, California-based company has been operating a similar voluntary licensing programme for many years for low-cost HIV drugs, which covers 112 countries.

Under the hepatitis C plan, Indian-made generics would be available in most of sub-Saharan Africa, selected Asian countries including India, Pakistan and Myanmar, and some smaller developing nations.

Gilead is also working to establish "tiered pricing" for Sovaldi in other low- and middle-income countries, Samuel said.

The company struck the first such tiered pricing deal last month in Egypt, where it has agreed to supply the government at just over 1 percent of the U.S. price, or $300 for a 28-day bottle against $28,000.

For India, the company is currently discussing a price of $2,000 based on 24 weeks of treatment, although no final deal has been reached, Samuel added.

Egypt has the world's highest prevalence of the liver-destroying hepatitis C virus, which is spread through blood, making it an obvious first market for more affordable, tiered pricing.

"We're targeting key, high-prevalence countries like India, Pakistan and Egypt. We are sitting down with them and looking at differential pricing," Samuel said.

Gilead's tiered pricing will not apply, however, to some large middle-income countries with significant hepatitis C populations such as Ukraine and China, which are viewed as commercial market opportunities.

In the United States, Sovaldi's price tag of $84,000 for a 12-week course of treatment has been described by one health provider as "outrageous", while U.S. lawmakers have written to the firm demanding an explanation of the price.

(Editing by Jane Baird)

Source

Hep C Therapies to Hog Spotlight at EASL

Published: Apr 8, 2014

By Michael Smith, North American Correspondent, MedPage Today

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LONDON -- New treatments for hepatitis C virus (HCV) will have most of the limelight this week at the annual meeting of the European Association for the Study of the Liver.

A tidal wave of novel direct-acting agents has been building for several years and is set to break here, according to the association's secretary-general, Markus Peck, MD, of the Medical University of Vienna in Austria.

"What strikes you most," Peck told MedPage Today, "is first of all the number of phase III trials that are being presented ... the most phase III data you will ever see in a liver meeting."

That's because several companies are rushing to get novel regimens approved and into the clinic, he said.

Indeed, of the 18 abstracts in the first three general sessions of the meeting, nine have to do with new treatments for HCV, as do half of the late-breaking oral presentations. There are also several parallel sessions devoted to HCV therapy.

But equally important, he said, are the "consistently positive results ... more or less independent of what kind of patients you are looking at: treatment-naive patients, previously treated patients, patients with advanced liver disease -- it's always working."

"It's fascinating and fantastic at the same time," he said. Even a year ago, Peck added, experts would not have expected to "treat patients for 3 months -- maybe even 2 months -- and cure 95% or 98% of them."

The direct-acting agents are so-called because they work on aspects of the virus itself, unlike the two drugs that until very recently were the mainstays of HCV therapy -- pegylated interferon-alfa and ribavirin.

Peginterferon is a general immune system booster with a range of unpleasant side effects, while ribavirin is a general antiviral drug with its own drawbacks. Cure rates with the combination -- the so-called sustained virologic response or SVR -- vary depending on the HCV genotype of the patient but are generally regarded as low.

A major goal of recent research, including much to be presented here, has been to combine different direct-acting agents in order to avoid using peginterferon. In addition, some of the trials to be reported here have also examined ribavirin-free regimens.

Studies of other forms of viral hepatitis are also being reported here, Peck said, "but nothing can match the success of HCV treatment at the moment."

For instance, there will be data on hepatitis B therapy that is "interesting ... but nothing game-changing" but Peck said future meetings are likely to see more work on HBV once the furor over HCV dies down.

Researchers also will detail some early investigations into hepatitis D and E, he said.

Other aspects of liver disease are also under examination here, including what is touted as the first phase III trial in 20 years for a new drug -- obeticholic acid -- to treat primary biliary cirrhosis.

"This is something that is very new," Peck said. While the condition is not common, it accounts for between 4% and 5% of liver transplant patients, he added, and "everyone who's treating people for liver disease has several patients."

And Spanish researchers are to present data form a phase III trial on the use of statins in patients with portal hypertension that is likely to draw some attention, Peck said, if only because it's something other than viral hepatitis.

In all, more than 1,000 abstracts are to be presented, Peck said.

Source

April 7, 2014

Idenix Announces Promising Clinical Data and Continued Progress in Nucleotide Prodrug Development Programs for the Treatment of Hepatitis C

  • Idenix Reports Positive Proof-of-Concept Data for Lead Nucleotide Prodrug, IDX21437
  • Idenix on Track to Initiate All-Oral Pan-Genotypic Phase II Combination Clinical Study of IDX21437 and Samatasvir in mid-2014
  • Idenix Initiates Phase I Clinical Trial of Follow-on Nucleotide Prodrug, IDX21459
  • Idenix to Host Conference Call / Webcast at 8:00 a.m. ET today

CAMBRIDGE, Mass., April 7, 2014 (GLOBE NEWSWIRE) -- Idenix Pharmaceuticals, Inc. (Nasdaq:IDIX), a biopharmaceutical company engaged in the discovery and development of drugs for the treatment of human viral diseases, today announced continued progress of the Company's program to develop nucleotide prodrug inhibitors for the treatment of hepatitis C virus (HCV) infection. Idenix is reporting potent antiviral activity of mean maximum 4.2-4.3 log10 IU/mL reductions for patients infected with HCV genotype 1, 2 or 3 receiving 300 mg once daily of IDX21437 in the seven-day proof-of-concept portion of a phase I/II clinical trial. Based on this progress, the Company's goal is to initiate a combination clinical trial of IDX21437 and samatasvir, a pan-genotypic NS5A inhibitor, in mid-2014. In addition, Idenix has selected a follow-on uridine-based nucleotide prodrug, IDX21459, from its ongoing nucleotide discovery program and initiated enrollment for the healthy volunteer portion of a phase I clinical trial.

"As more all-oral regimens become available to treat hepatitis C, an increased number of patients will be diagnosed and treated. It will be important to have simple, short duration options for our patients. These early data for IDX21437 support its potential to be part of future treatment combinations." said Professor Edward Gane, MD, Deputy Director and Hepatologist, New Zealand Liver Transplant Unit, Auckland City Hospital in New Zealand, and a clinical investigator in the IDX21437 proof-of-concept study. "Nucleotide-based treatment combinations are favored because of safety, efficacy, high barrier to resistance and low drug-drug interaction potential and we look forward to seeing further results from studies with IDX21437."

"We are very pleased with these positive data for IDX21437 and we are excited to have two nucleotide prodrug candidates in the clinic," said Ron Renaud, Idenix's President and Chief Executive Officer.  "With the initiation of the phase II study of IDX21437 and samatasvir later this year, we will be one of a few companies with an all-oral, pan-genotypic, nucleotide-based combination approach in the clinic. We believe this regimen has the potential to play a significant role in advancing HCV care for the benefit of patients, physicians and payers."

IDX21437: Topline 7-Day Phase I/II Clinical Results

In January 2014, Idenix initiated the seven-day proof-of-concept portion of a phase I/II clinical trial for IDX21437. The trial completed enrollment of 44 treatment-naïve, genotype (GT) 1, 2 or 3 HCV-infected patients. Patients were randomized to receive once-daily doses of placebo, 50 mg, 150 mg, or 300 mg of IDX21437 for seven days. The topline clinical results include:

  • IDX21437 was well-tolerated with no observed pattern of adverse events or laboratory abnormalities.
  • Treatment with IDX21437 exhibited potent pan-genotypic activity in a dose-dependent manner:
  • In GT 1 HCV-infected patients (n=8), the mean maximal viral load reduction was 4.2 log10 IU/mL in the 300 mg arm.
  • The mean maximal viral load reduction of 4.3 log10 IU/mL was achieved in GT 2 and 3 HCV-infected patients in the 300 mg arm (n=10).
  • More detailed findings are expected to be presented at a future scientific meeting.
  • Based on these findings, the 300 mg dose of IDX21437 has been chosen for the anticipated phase II combination study with samatasvir.

IDX21459: Phase I Clinical Program

In April 2014, Idenix initiated enrollment for the healthy volunteer portion of a phase I clinical trial of IDX21459 in Europe. This portion of the study is expected to enroll approximately 50 healthy volunteers and will evaluate once-daily doses of IDX21459 ranging from 10 mg - 300 mg. The proof-of-concept portion of the study is expected to enroll a total of 40 treatment-naïve, genotype 1 HCV-infected patients who will receive once-daily doses of placebo, 50 - 300 mg of IDX21459 for seven days. IDX21459 has shown a favorable preclinical profile including potent, pan-genotypic activity and favorable safety with respect to cardiac, mitochondrial and genotoxicity assessments.

Additional Nucleotide Candidates

Idenix's primary efforts in nucleotide development will continue to focus on its lead candidate, IDX21437, and follow-on prodrug candidate, IDX21459, as well as earlier-stage nucleotide prodrugs. An important objective for the discovery program is to identify nucleotides offering distinct resistance profiles that can be combined with one of the Company's current nucleotide clinical candidates to treat HCV. Idenix also announced today that the Company has elected not to continue its clinical development program for HCV nucleotide prodrug, IDX20963, previously placed on clinical hold by the U.S. Food and Drug Administration (FDA).

CONFERENCE CALL AND WEBCAST INFORMATION

Idenix management will host a conference call at 8:00 a.m. ET today. To access the call, please dial (877) 640-9809 (U.S./Canada) or (914) 495-8528 (International) and enter passcode 26004979. A live webcast will be available through the Investor section of the Idenix website at www.idenix.com under "Events & Presentations". The archived webcast will be available for two weeks following the call on the Idenix website.

ABOUT IDX21437

IDX21437, Idenix's lead uridine-based nucleotide prodrug inhibitor, has completed the single-dose and seven-day proof-of-concept portions of a phase I/II clinical trial. Extensive preclinical testing for IDX21437 has demonstrated favorable antiviral activity across genotypes 1-6 and a safety profile which supported advancement into clinical trials. Based on this progress, the Company's goal is to initiate an Idenix-sponsored combination clinical trial of IDX21437 and samatasvir in mid-2014.

ABOUT SAMATASVIR

Samatasvir is an NS5A inhibitor with low picomolar, pan-genotypic antiviral activity in vitro. To date, samatasvir has been safe and well-tolerated after single and multiple doses of up to 150 mg in healthy volunteers up to 14 days duration, and in HCV-infected patients up to 12 weeks duration. Samatasvir has demonstrated potent pan-genotypic antiviral activity in HCV-infected patients with mean maximal viral load reductions up to approximately 4.0 log10 IU/mL across HCV genotypes 1-4 in a proof-of-concept, three-day monotherapy study.

Under a non-exclusive collaboration with Janssen Pharmaceuticals, Inc., Idenix is evaluating all-oral, direct-acting antiviral HCV combination regimens including samatasvir, simeprevir (TMC435), a once-daily protease inhibitor jointly developed by Janssen R&D Ireland and Medivir AB, and TMC647055/r, a once-daily non-nucleoside polymerase inhibitor boosted with low-dose ritonavir being developed by Janssen. In this program, Idenix is conducting two ongoing phase II 12-week clinical trials, HELIX-1 and HELIX-2.

ABOUT HEPATITIS C

Hepatitis C virus is a common blood-borne pathogen infecting three to four million people worldwide annually. The World Health Organization (WHO) estimates that more than 150 million people worldwide are chronically infected with HCV, representing a nearly 5-fold greater prevalence than human immunodeficiency virus.

ABOUT IDENIX

Idenix Pharmaceuticals, Inc., headquartered in Cambridge, Massachusetts, is a biopharmaceutical Company engaged in the discovery and development of drugs for the treatment of human viral diseases. Idenix's current focus is on the treatment of patients with hepatitis C infection. For further information about Idenix, please refer to www.idenix.com.

FORWARD-LOOKING STATEMENTS

This press release contains "forward-looking statements" for purposes of the safe harbor provisions of The Private Securities Litigation Reform Act of 1995, including but not limited to the statements regarding the Company's future business and financial performance. For this purpose, any statements contained herein that are not statements of historical fact may be deemed forward-looking statements. Without limiting the foregoing, the words "expect," "plans," "anticipates," "intends," "will," and similar expressions are also intended to identify forward-looking statements, as are expressed or implied statements with respect to the Company's potential pipeline candidates, including any expressed or implied statements regarding the efficacy and safety of samatasvir, IDX21437, IDX21459 or any other drug candidate; the successful development of novel combinations of direct-acting antivirals for the treatment of HCV; and the likelihood and success of any future clinical trials involving samatasvir, IDX21437, IDX21459 or our other drug candidates. Actual results may differ materially from those indicated by such forward-looking statements as a result of risks and uncertainties, including but not limited to the following: there can be no guarantees that the Company will advance any clinical product candidate or other component of its potential pipeline to the clinic, to the regulatory process or to commercialization; uncertainties relating to, or unsuccessful results of, clinical trials, including additional data relating to the ongoing clinical trials evaluating its product candidates; and the Company's ability to obtain, maintain and enforce patent and other intellectual property protection for its product candidates and its discoveries. Such forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause actual results to be materially different from any future results, performance or achievements expressed or implied by such statements. These and other risks which may impact management's expectations are described in greater detail under the heading "Risk Factors" in the Company's annual report on Form 10-K for the year ended December 31, 2013 as filed with the Securities and Exchange Commission (SEC) and in any subsequent periodic or current report that the Company files with the SEC.

All forward-looking statements reflect the Company's estimates only as of the date of this release (unless another date is indicated) and should not be relied upon as reflecting the Company's views, expectations or beliefs at any date subsequent to the date of this release. While Idenix may elect to update these forward-looking statements at some point in the future, it specifically disclaims any obligation to do so, even if the Company's estimates change.

CONTACT: Idenix Pharmaceuticals Contact:
Teri Dahlman (617) 995-9807

Source: Idenix Pharmaceuticals

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Gilead Announces U.S. FDA Priority Review Designation for Ledipasvir/Sofosbuvir Fixed-Dose Combination Tablet for Chronic Hepatitis C Genotype 1 Infection

PRESS RELEASE  April 7, 2014, 8:35 a.m. ET

-- Final FDA Decision Anticipated by October 10, 2014 --

FOSTER CITY, Calif.--(BUSINESS WIRE)--April 07, 2014--

Gilead Sciences, Inc. (Nasdaq: GILD) today announced that the U.S. Food and Drug Administration (FDA) has granted priority review to the company's New Drug Application (NDA) for a once-daily fixed-dose combination of the NS5A inhibitor ledipasvir (LDV) 90 mg and the nucleotide analog polymerase inhibitor sofosbuvir (SOF) 400 mg for the treatment of chronic hepatitis C genotype 1 infection in adults. Gilead filed the NDA for LDV/SOF on February 10, 2014, and the FDA has set a target action date under the Prescription Drug User Fee Act (PDUFA) of October 10, 2014.

The FDA has also assigned LDV/SOF a Breakthrough Therapy designation. The FDA grants Breakthrough Therapy designation and priority review status to investigational medicines that may offer major advances in treatment over existing options. The data submitted in the NDA are from three Phase 3 studies, ION-1, ION-2 and ION-3, and support the use of LDV/SOF in adults with genotype 1 HCV infection, with a treatment duration of eight or 12 weeks depending on prior treatment history and whether they have cirrhosis. Approximately 75 percent of people infected with HCV in the United States have the genotype 1 strain of the virus.

A marketing application for LDV/SOF is also under review in the European Union, and was validated by the European Medicines Agency (EMA) on March 27, 2014. The agency has accepted Gilead's request for accelerated assessment of LDV/SOF, a designation that is granted to new medicines of major public health interest. If accepted, accelerated assessment could shorten the EMA's review time of LDV/SOF by two months, although it does not guarantee a positive opinion from the Committee for Medicinal Products for Human Use or approval by the European Commission.

LDV/SOF is an investigational product and its safety and efficacy have not yet been established.

SOF as a single agent was approved by the FDA under the tradename Sovaldi(R) on December 6, 2013 and by the European Commission on January 17, 2014.

About Gilead Sciences

Gilead Sciences is a biopharmaceutical company that discovers, develops and commercializes innovative therapeutics in areas of unmet medical need. The company's mission is to advance the care of patients suffering from life-threatening diseases worldwide. Headquartered in Foster City, California, Gilead has operations in North and South America, Europe and Asia Pacific.

Forward-Looking Statement

This press release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are subject to risks, uncertainties and other factors, including the risk that the FDA, EMA and other regulatory agencies may not approve LDV/SOF fixed-dose combination in the currently anticipated timelines or at all, and that any marketing approvals, if granted, may have significant limitations on its use. Further, additional studies of LDV/SOF, including results from the 24-week arms of ION-1, may produce unfavorable results. As a result, Gilead may not be able to successfully commercialize LDV/SOF, and may make a strategic decision to discontinue its development if, for example, the market for the product fails to materialize as expected. These risks, uncertainties and other factors could cause actual results to differ materially from those referred to in the forward-looking statements. The reader is cautioned not to rely on these forward-looking statements. These and other risks are described in detail in Gilead's Annual Report on Form 10-K for the year ended December 31, 2013, as filed with the U.S. Securities and Exchange Commission. All forward-looking statements are based on information currently available to Gilead, and Gilead assumes no obligation to update any such forward-looking statements.

U.S. full prescribing information for Sovaldi is available at www.gilead.com.

Sovaldi is a registered trademark of Gilead Sciences, Inc.

For more information on Gilead Sciences, please visit the company's website at www.gilead.com, follow Gilead on Twitter (@GileadSciences) or call Gilead Public Affairs at 1-800-GILEAD-5 or 1-650-574-3000.

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Bristol-Myers Squibb Submits NDAs for Daclatasvir and Asunaprevir to US FDA for the Treatment of Hepatitis C

U.S. application submission marks third major daclatasvir regulatory milestone globally, follows E.U. and Japan

Monday, April 7, 2014 8:00 am EDT

PRINCETON, N.J..--(BUSINESS WIRE)--Bristol-Myers Squibb Company (NYSE:BMY) "These FDA submissions represent a major step towards offering daclatasvir-based regimens to U.S. HCV patients, many of whom continue to have high unmet medical needs"

PRINCETON, N.J.--(BUSINESS WIRE)--Bristol-Myers Squibb Company (NYSE:BMY) announced today that they have submitted new drug applications (NDAs) with the U.S. Food and Drug Administration (FDA) for the investigational products daclatasvir (DCV), an NS5A replication complex inhibitor, and asunaprevir (ASV), a NS3 protease inhibitor. The data submitted in the NDAs support the use of DCV+ASV in patients with genotype 1b hepatitis C (HCV). The DCV NDA also seeks approval for use of this compound in combination with other agents for multiple genotypes. The submissions are subject to FDA review for acceptance for filing.

“These FDA submissions represent a major step towards offering daclatasvir-based regimens to U.S. HCV patients, many of whom continue to have high unmet medical needs,” said Brian Daniels, MD, senior vice president, Global Development and Medical Affairs, Research and Development, Bristol-Myers Squibb. “We are excited to have achieved this milestone and, looking forward, will continue to innovate and invest in daclatasvir in a range of patient types and regimens.”

These submissions follow the recent announcement that the FDA granted the investigational DCV Dual Regimen (DCV+ASV) Breakthrough Therapy Designation. In 2013, the investigational all-oral 3DAA Regimen (daclatasvir/asunaprevir/BMS-791325) also received Breakthrough Therapy Designation, and the company anticipates submitting this regimen for FDA review in Q1 2015.

In January 2014, the European Medicines Agency (EMA) validated the company’s marketing authorization application for the use of DCV in combination with other agents for the treatment of adults with HCV with compensated liver disease, including genotypes 1, 2, 3, and 4, and this application is under accelerated review. In addition, NDAs for DCV and ASV are under priority review by Japan’s Pharmaceutical and Medical Devices Agency for patients with chronic HCV genotype 1b, classified as either interferon-ineligible naïve/intolerant or non-responders to interferon and ribavirin.

About Hepatitis C

Hepatitis C is a virus that infects the liver and is transmitted through direct contact with infected blood and blood products. Approximately 170 million people worldwide are infected with hepatitis C, with an estimated 2.7–3.9 million chronically infected in the United States. Up to 90 percent of those infected with hepatitis C will not spontaneously clear the virus and will become chronically infected. According to the World Health Organization, up to 20 percent of people with chronic hepatitis C will develop cirrhosis; of those, up to 25 percent may progress to liver cancer.

About Bristol-Myers Squibb’s HCV Portfolio

Bristol-Myers Squibb’s research efforts are focused on advancing late-stage compounds to deliver the most value to patients with hepatitis C. At the core of our pipeline is daclatasvir (DCV), an investigational NS5A replication complex inhibitor that has been studied in more than 5,500 patients as part of multiple direct-acting antiviral (DAA) based combination therapies. DCV has shown a low drug-drug interaction profile, supporting its potential use in multiple treatment regimens and in people with co-morbidities.

DCV is currently being studied in the ongoing Phase III UNITY Program, where it is being investigated as part of an all-oral 3DAA Regimen (daclatasvir/asunaprevir/BMS-791325). Study populations include non-cirrhotic naïve, cirrhotic naïve and previously treated patients. The 3DAA Regimen is being studied as a fixed-dose-combination treatment with twice daily dosing.

Daclatasvir is also being investigated in combination with sofosbuvir in high unmet need patients, such as pre- and post-transplant patients, HIV/HCV co-infected patients, and patients with genotype 3, as part of the ongoing Phase III ALLY Program.

About Bristol-Myers Squibb

Bristol-Myers Squibb is a global biopharmaceutical company whose mission is to discover, develop and deliver innovative medicines that help patients prevail over serious diseases. For more information, please visit http://www.bms.com or follow us on Twitter at http://twitter.com/bmsnews.

Bristol-Myers Squibb Forward Looking Statement

This press release contains "forward-looking statements" as that term is defined in the Private Securities Litigation Reform Act of 1995 regarding the research, development and commercialization of pharmaceutical products. Such forward-looking statements are based on current expectations and involve inherent risks and uncertainties, including factors that could delay, divert or change any of them, and could cause actual outcomes and results to differ materially from current expectations. No forward-looking statement can be guaranteed. Among other risks, there can be no guarantee that clinical trials of these compounds will support regulatory filings, or that DCV or any other compounds mentioned in this release will receive regulatory approval or, if approved, that they will become commercially successful products. Forward-looking statements in this press release should be evaluated together with the many uncertainties that affect Bristol-Myers Squibb's business, particularly those identified in the cautionary factors discussion in Bristol-Myers Squibb's Annual Report on Form 10-K for the year ended December 31, 2013 in our Quarterly Reports on Form 10-Q and our Current Reports on Form 8-K. Bristol-Myers Squibb undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise.

Contact:

Bristol-Myers Squibb
Media:
Carrie Fernandez,
Office: +1-609-252-4831; Cell: +1-215-859-2605
carrie.fernandez@bms.com
or
Investors:
Ranya Dajani, 609-252-5330, ranya.dajani@bms.com
Ryan Asay, 609-252-5020, ryan.asay@bms.com

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April 4, 2014

Risk Factors for Hepatitis C Infection Among Vietnam Era Veterans Versus Nonveterans: Results from the Chronic Hepatitis Cohort Study (CHeCS)

Journal of Community Health
March 2014

Joseph A. Boscarino, Alexandra Sitarik, Stuart C. Gordon, Loralee B. Rupp, David R. Nerenz, Vinutha Vijayadeva, Mark A. Schmidt, Emily Henkle, Mei Lu

Abstract

Research suggests that Vietnam era veterans have a higher prevalence of hepatitis C virus (HCV) than other veterans and nonveterans. However, the reasons for this are unclear, since this research has been conducted among Department of Veterans Affairs (VA) patients and most veterans do not use the VA. The current study compares HCV risk factors between the Vietnam era veterans and nonveterans seen in 4 large non-VA systems to explain this disparity. A total of 4,636 HCV patients completed surveys in 2011–2012. Vietnam era veterans were defined as those who served in the military any time between 1964 and 1975. Bivariate tests followed by logistic regressions, and multivariable modeling were conducted to study risk factors among Vietnam era veterans and nonveterans. Since few veterans were female (~2 %), they were excluded. Among male respondents (N = 2,638), 22.5 % were classified as Vietnam era veterans. Compared to nonveterans, these patients were older (p < 0.001), more educated (p < 0.001), less often foreign born (p = 0.009), more often married (p < 0.001), less often employed, and less likely to have a history of drug abuse treatment (p < 0.001). Comparison of specific risk factor differences for HCV infection by veteran status suggested that while injection drug use approached statistical significance (nonveterans = 46.1 % vs. Vietnam era veterans = 41.4 %, p = 0.06), only reported sex with men was significant (nonveterans = 2.4 % vs. Vietnam era veterans = 0.6 %, p = 0.013). In multivariate logistic regression controlling for age, education, country of birth, marital status and study site, no HCV risk factor was associated with Vietnam era veteran status. However, veterans were more likely to report “other” exposures were the source of infection than nonveterans (p < 0.001). While Vietnam era veterans seen in non-VA facilities do not report a higher prevalence of common HCV risk factors, such as injection drug use, they are more likely to report “other” exposures, typically associated with military service, as the source of HCV infection.

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