Complete blood counts (with white blood cell differential counts) must be conducted in all patients prior to initiating combination therapy with VICTRELIS. Complete blood counts should be obtained at TW 4, 8 and 12, and should be monitored closely at other time points, as clinically appropriate.The most commonly reported adverse reactions (greater than 35 percent) in clinical trials in adult patients receiving the combination of VICTRELIS with PR were fatigue, anemia, nausea, headache and dysgeusia. Of these commonly reported adverse reactions, fatigue, anemia, nausea, and dysgeusia occurred at rates greater than or equal to 5 percent above the rates for PR alone in either clinical study. The incidence of these adverse reactions in previously untreated patients who were treated with combination therapy with VICTRELIS compared with these adverse reactions in previous treatment-failure patients who were treated with combination therapy with VICTRELIS compared with PR alone were: fatigue (55 vs. 50 percent), anemia (45 vs. 20 percent), nausea (43 vs. 38 percent) and dysgeusia (44 vs. 11 percent), respectively.
Interim Phase II Data Of Merck's Investigational MK-5172 In Combination Therapy In Chronic Hepatitis C Virus Genotype 1 Infection To Be Presented At The American Association For The Study Of Liver Diseases (AASLD) Annual Meeting
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