Stockholm, Sweden—Medivir AB (OMX: MVIR), announces that IDENIX has initiated a phase II clinical trial (HELIX-2) evaluating an all-oral, direct-acting antiviral (DAA) HCV combination regimen of simeprevir, samatasvir and TMC647055 with a pharmacokinetic enhancer.
The HELIX-2 trial is a 12-week, randomized, open-label study evaluating the efficacy, safety and tolerability of simeprevir, TMC647055 and samatasvir. The trial will evaluate genotype 1 HCV-infected patients who are either treatment-naïve or who have relapsed after prior treatment with interferon and ribavirin. Patients will receive 75 mg of simeprevir, 50 mg samatasvir and 450 mg of TMC647055 plus a low dose of ritonavir as a pharmacokinetic enhancer, each once daily for 12 weeks, with or without the addition of ribavirin.
The HELIX-2 trial is the second study in HCV-infected patients to commence under a non-exclusive collaboration agreement between Idenix and Janssen established in January 2013. The HELIX-1 trial of samatasvir in combination with simeprevir was initiated in May 2013 and is ongoing.
For additional information about this study, please visit www.clinicaltrials.gov
For more information please contact:
Rein Piir, EVP Corporate Affairs & IR, mobile: +46 708 537 292
Simeprevir is an NS3/4A protease inhibitor jointly developed by Medivir and Janssen R&D Ireland for the treatment of chronic hepatitis C infection in combination with other antivirals in HCV genotype 1 & 4 infected subjects with compensated liver disease, including cirrhosis.
Simeprevir was approved for the treatment of genotype 1 hepatitis C in September 2013 in Japan and in the USA and Canada in November. A Marketing Authorisation Application was submitted to the European Medicines Agency (EMA) in April 2013 by Janssen-Cilag International NV seeking approval of simeprevir for the treatment of genotype 1 or genotype 4 chronic hepatitis C. To date, more than 3,700 patients have been treated with simeprevir in clinical trials.
TMC647055 is a potent non-nucleoside hepatitis C polymerase inhibitor with broad genotypic coverage. TMC647055 is in phase II clinical development and is developed by Janssen R&D Ireland to treat chronic hepatitis C virus infections. TMC647055 is being investigated in combination with other DAA agents in all oral interferon-free regimens. There have been no treatment-emergent serious adverse events reported in the program.
About Samatasvir (IDX719)
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. There have been no treatment-emergent serious adverse events reported in the program. 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.
Medivir is an emerging research-based pharmaceutical company focused on infectious diseases. Medivir has world class expertise in polymerase and protease drug targets and drug development which has resulted in a strong infectious disease R&D portfolio. The Company’s key pipeline asset is simeprevir, a novel protease inhibitor for the treatment of hepatitis C that is being developed in collaboration with Janssen R&D Ireland. The company is also working with research and development in other areas, such as bone disorders and neuropathic pain. Medivir has also a broad product portfolio with prescription pharmaceuticals in the Nordics.
For more information about Medivir AB, please visit the Company’s website: www.medivir.com
Medivir is a collaborative and agile pharmaceutical company with an R&D focus on infectious diseases and a leading position in hepatitis C. We are passionate and uncompromising in our mission to develop and commercialize innovative pharmaceuticals that improve people’s health and quality of life.