A Study to Evaluate the Pharmacokinetics, Safety, and Efficacy of Glecaprevir/Pibrentasvir in Pediatric Subjects With Genotypes 1-6 Chronic Hepatitis C Virus (HCV) Infection (DORA)
An open-label study to assess the pharmacokinetics (PK), safety, and efficacy of glecaprevir (GLE)/pibrentasvir (PIB) (Mavyret) in pediatric (children) participants divided into 4 age groups: 3 to < 6, 6 to < 9, 9 to < 12, and 12 to < 18 years of age. Within each age group, some participants will be enrolled for intensive pharmacokinetics (IPK) to characterize the PK of a particular age group and the remainder of participants will be enrolled for the evaluation of safety and efficacy of each age group. Intensive PK sampling is designed to allow for dose adjustment, based on available PK and clinical data to achieve therapeutic exposures that have been safe and efficacious in adults.
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Mavyret: A Phase 3b, single arm, open-label, multicenter study to evaluate the safety and to demonstrate the non-inferiority of the sustained virologic response 12 weeks post dosing (SVR12) rates of 8 weeks of treatment with the glecaprevir (GLE)/pibrentasvir (PIB) combination regimen to the historical SVR12 rate of 12 weeks of treatment with the GLE/PIB in treatment-naïve adults with chronic HCV GT 1, 2, 4, 5, or 6 infection and compensated cirrhosis.
The study is evaluating the treatment of HCV genotype 1 with the Viekira regime in people coinfected with hepatitis C and HIV. Viekira regime is approved by the Food and Drug Administration (FDA) to treat people mono-infected with HCV and in people coinfected with HCV and HIV. Previous studies have achieved cure rates of 95% to 100%.
Evaluating the Safety and Effectiveness of Interferon-Free Treatment of Hepatitis C Virus Infection in HIV-Coinfected Adults on Antiretroviral Therapy (C_ASCENT)
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Pediatric patients infected with HCV genotypes 1, 3, 4, 5, and 6 will be treated with ledipasvir and sofosbuvir (with and without ribavirin). There will also be a placebo arm. A lead-in phase is testing the safe and effective dose. After the lead-in phase, the same patients will be treated with the combinations. There are different arms based on the ages of the children.
Safety and Efficacy of Ledipasvir/Sofosbuvir Fixed Dose Combination +/-Ribavirin in Adolescents and Children With Chronic HCV-Infection
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