Interferon-free HCV-1 regimen scored high in patients co-infected with HIV

From Internal Medicine News, 24 July 2014:

MELBOURNE – A regimen of ABT-450 coformulated with ritonavir, ombitasvir, and dasabuvir, plus ribavirin, resulted in high rates of sustained virologic response in hepatitis C patients co-infected with HIV. Further, the treatment approach did not have a negative effect on HIV viral load.

Data from the open-label study, presented at the 20th International AIDS Conference, showed that nearly 94% of patients treated with the three-dose (3D) interferon-free regimen plus ribavirin for 12 weeks had a sustained virologic response at 4 weeks after treatment cessation. Nearly 97% of those treated for 24 weeks achieved a sustained virologic response at 4 weeks after treatment cessation.

The TURQUOISE-I study assessed the 3D plus ribavirin regimen in 63 patients with hepatitis C genotype 1 infection plus HIV-1 infection. The treatment group included treatment-naive patients and patients previously treated with interferon.

Dr. Mark S. Sulkowski, who presented the data, said earlier phase III studies of the 3D regimen, both with and without ribavirin, showed greater than 96% sustained virologic response rates in HCV-1–infected patients treated for 12 weeks, and 92%-96% response rates in patients with cirrhosis treated for 12-24 weeks.

“Drug interactions with hepatitis C and HIV regimens are the foremost question when approaching treatment in this group,” Dr. Sulkowski, professor of medicine at Johns Hopkins University, Baltimore, told conference attendees. Read more.

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