Seven-day viral kinetic data showed that when once-daily ALS-2200 (200 mg) was dosed in combination with ribavirin, there was a median 4.18 log 10 reduction (range -3.6, -5.2) in HCV RNA in people with genotype 1 chronic hepatitis C who were new to treatment (n=8). Five patients achieved HCV RNA levels below the limit of quantification (< LOQ = < 25 IU/mL), and two of these five achieved HCV RNA levels below the limit of detection (Roche COBAS Taqman HCV test, Version 2) after seven days of dosing. Similar to the data from the monotherapy cohort, ALS-2200 in combination with ribavirin was well-tolerated, no patients discontinued due to adverse events and there were no serious adverse events.“The early antiviral activity and tolerability of this nucleotide analogue are very promising as we seek to develop new interferon-free treatment regimens,” said Patrick Marcellin, M.D., Ph.D., Professor of Hepatology at the University of Paris and Head of the Viral Hepatitis Research Unit in Hôpital Beaujon, Clichy. “The data suggest VX-135 could be a core component of all-oral regimens for the treatment of hepatitis C.”
Data From Viral Kinetic Study Showed Rapid Reduction Of HCV RNA With ALS-2200 (VX-135), Vertex’s Oral Nucleotide Analogue In Development For The Treatment Of Hepatitis C
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