Healthcare Industry News:  Eiger BioPharmaceuticals 


 News Release - February 23, 2015

Eiger BioPharmaceuticals Announces Presentation of Positive Data in Patients Infected with Hepatitis Delta Virus (HDV) Treated with Lonafarnib

NIH Principal Investigator to Present Abstract and Poster at Conference on Retroviruses and Opportunistic Infections (CROI)

PALO ALTO, Calif., Feb. 23, 2015 -- (Healthcare Sales & Marketing Network) -- Eiger BioPharmaceuticals, Inc. announced today that positive results of a Phase 2 study of lonafarnib in patients with chronic hepatitis delta viral (HDV) infection will be presented this week at the CROI meeting in Seattle, Washington. The study was conducted at the National Institutes of Health (NIH) Clinical Center in Bethesda, Maryland. The double-blinded, randomized, placebo-controlled, dose ascending study evaluated two oral doses of lonafarnib, 100 mg twice daily and 200 mg twice daily for 28 days. "The NIH Clinical Center has completed a study with significant implications for treatment of chronic hepatitis D, which often leads to cirrhosis and other life-threatening conditions," said Christopher Koh, MD, MHSc, a Principal Investigator at the NIH. "We look forward to continued research to potentially deliver an approved therapy to patients."

A significant decrease in HDV RNA viral levels was observed after treatment with lonafarnib for 28 days compared with placebo, including a statistically significant dose-dependent difference in decline in HDV RNA virus between the 100 mg twice daily and 200 mg twice daily doses compared with placebo. The decline in HDV RNA viral levels significantly correlated with serum lonafarnib drug levels, providing further evidence for the efficacy of lonafarnib in chronic HDV. In the study, lonafarnib was generally well tolerated, with the most common adverse events in the treatment group being mild to moderate nausea and diarrhea. "Hepatitis Delta Virus infection is the worst form of human viral hepatitis, with the worst outcomes, affecting 15 million people worldwide", said David Cory, President and Chief Executive Officer of Eiger. "There is no approved therapy for HDV and as such it is under-diagnosed and under-treated. We are committed to developing an all-oral cure for HDV."

Lonafarnib Abstract and Poster at CROI

"Oral Prenylation Inhibition With Lonafarnib in Chronic Hepatitis D Infection: A Randomized, Double-Blinded, Placebo-Controlled Proof-of-Concept Study." Control ID # 219546; February 26, 2015 at 2:30 PM to 4:00 PM, Poster Hall.

About Lonafarnib

Lonafarnib is a well-characterized, late stage, orally active inhibitor of farnesyl transferase, an enzyme involved in modification of proteins through a process called prenylation. HDV uses this host cell process inside liver cells to complete a key step in its life cycle. Lonafarnib inhibits the prenylation step of HDV replication inside liver cells and blocks the ability of the virus to multiply. Since prenylation is a host process, not under control of HDV, and lonafarnib inhibits prenylation, there is also a theoretical higher barrier to resistance with lonafarnib therapy. Virus mutation, a common pathway to drug resistance, is not expected to be a potential pathway to lonafarnib resistance by HDV.

Lonafarnib is not approved for sale for any indication.

About Hepatitis Delta

Hepatitis Delta is caused by infection with the hepatitis D virus (HDV) and is considered to be the most severe form of viral hepatitis in humans. Hepatitis D occurs only as a co-infection in individuals with hepatitis B (HBV), leads to more severe liver disease than HBV alone, and is associated with accelerated liver fibrosis, liver cancer, and liver failure. HDV is a disease with a significant impact on global health affecting ~15 million people worldwide. The prevalence of HDV varies between different parts of the world. HDV meets criteria for Orphan Designation in the United States (less than 200,000 people), Europe (less than 5 in 100,000 people), and Japan (less than 50,000 people). Globally, HDV infection is reported to be present in approximately 4% - 6% of chronic hepatitis B carriers. In some parts of the world, including certain areas of China, Russia, Central Asia, Turkey, Africa, and South America, prevalence as high as 40% has been reported in HBV infected patients.

About Eiger

Eiger is a privately held biotechnology company focused on the research, development and commercialization of innovative therapies in viral hepatitis. The company is focused on developing lonafarnib for the treatment of Hepatitis Delta Virus (HDV), the most severe form of viral hepatitis. Lonafarnib is not approved for sale. Eiger's research programs are focused on the discovery of targeted, small-molecule therapeutics and biomarkers to treat and monitor serious liver diseases. For additional information about Eiger and its R&D pipeline, please visit

Source: Eiger BioPharmaceuticals

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