Idenix to Present Studies on Telbivudine for Chronic Hepatitis B

Earlier this month, Idenix Pharmaceuticals offered a preview of several studies of telbivudine (LdT), the company's newly approved oral hepatitis B virus (HBV) polymerase inhibitor, to be presented at the 57th AASLD meeting taking place this weekend in Boston.

Following is the Idenix announcement:

Indenix Announces Data Presentations at the 57th Annual Meeting of the American Association for the Study of Liver Diseases (AASLD)

CAMBRIDGE, Mass., Oct. 2 -- Idenix Pharmaceuticals, Inc. (Nasdaq: IDIX - News), a biopharmaceutical company engaged in the discovery, development and commercialization of drugs for the treatment of human viral and other infectious diseases, announced today that seven abstracts have been accepted for presentation at the 57th Annual Meeting of the American Association for the Study of Liver Diseases (AASLD) to be held in Boston, MA, October 27 to October 31, 2006. Full abstracts can now be viewed at the AASLD website at http://www.aasld.org.

Hepatitis B Abstracts

Dr. Ching-Lung Lai, Professor of Medicine and Hepatology, Department of Medicine, University of Hong Kong, will present "Two-Year Results from the GLOBE Trial in Patients with Hepatitis B: Greater Clinical and Antiviral Efficacy for Telbivudine (LdT) vs. Lamivudine" in a Presidential Plenary session on Monday, October, 30, 2006 at 8:00 a.m. EST.

Dr. Adrian DiBisceglie, Associate Chairman, Department of Internal Medicine, Saint Louis University School of Medicine, will present
Telbivudine GLOBE Trial: Maximal Early HBV Suppression is Predictive of Optimal Two-Year Efficacy in Nucleoside-Treated Hepatitis B Patients" in an oral session on Monday, October 30, 2006 at 3:45 p.m. EST.

Dr. Edward Gane, Associate Professor of Gastroenterology and Hepatology, Middlemore Hospital in Auckland, New Zealand, will present "A Randomized Trial of Telbivudine (LdT) vs. Lamivudine in Lamivudine Experienced Patients - Week 24 Primary Analysis" in a poster session on Monday, October 30, 2006.

Dr. Natalie Bzowej, Director of Clinical Hepatology Research at California Pacific Medical Center, will present "A Randomized Trial of Telbivudine (LdT) vs. Adefovir for HBeAg-Positive Chronic Hepatitis B: Final Week 52 Results" in a poster session on Monday, October 30, 2006.

Dr. Nikolai Naoumov, Consultant Physician at the Institute of Hepatology, University College London, England, will present "Impact Of Nucleoside Treatment On Antiviral T-Cell Reactivity In Chronic Hepatitis B: Major Differences Depending On Early Viral Suppression, HBeAg Status And HBV Genotype" in a poster session on Monday, October 30, 2006.

Dr. David Standring, Idenix's Senior Vice President, Biology, will present "Telbivudine Phosphorylation by Three Enzymes: Implications for Anti-Hepatitis B Virus Activity In Vitro and in the Clinic" in a poster session on Monday, October, 30, 2006.

About Telbivudine

Telbivudine, an investigational agent for the treatment of hepatitis B, is currently under review for marketing approval by the U.S. Food and Drug Administration. [Editor's note: the press release was issued before the drug's approval on October 26.] Idenix has evaluated telbivudine in a two-year international phase III clinical trial referred to as the GLOBE study. The GLOBE study, in which 1,367 chronic hepatitis B patients were enrolled, compared 600 mg dose of telbivudine orally administered once a day to treatment once a day with 100 mg of lamivudine.

Safety Information About Telbivudine


The diverse nature and rate of occurrence of adverse events were similar between telbivudine-treated patients and lamivudine-treated patients. The most common adverse events for telbivudine and lamivudine, regardless of attributability, were upper respiratory infection, headache, fatigue, and nasopharyngitis.

Grade 3-4 serum ALT elevations were more common in lamivudine-treated patients compared to telbivudine after week 24. Grade 3-4 creatine kinase (CK) elevations were more common with telbivudine compared to lamivudine by week 52.

Severe acute exacerbations of hepatitis B have been reported in patients who have discontinued anti-hepatitis B therapy. Hepatic function should be monitored closely with both clinical and laboratory follow-up for at least one year in patients who discontinue anti-hepatitis B therapy. If appropriate, resumption of anti-hepatitis B therapy may be warranted.

Idenix/Novartis Collaboration

Idenix is developing its hepatitis B product candidates, telbivudine and valtoricitabine, and its hepatitis C clinical product candidate, valopicitabine, in collaboration with Novartis Pharma AG. The collaboration arrangement provides that, upon successful development and approval, Idenix and Novartis will co-promote licensed products in the United States, France, Germany, Italy, Spain and the United Kingdom. Novartis holds the exclusive license to commercialize licensed products in the rest of the world.

10/27/06

Source
Idenix Announces Data Presentations at the 57th Annual Meeting of the American Association for the Study of Liver Diseases (AASLD). Press Release. October 2, 2006.


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