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Completed Phase 2 Interventional

A Study of Danoprevir Boosted With Low Dose Ritonavir in Combination With Pegasys and Copegus in Treatment-Naive Patients With Chronic Hepatitis C Virus Infection

ClinicalTrials.gov ID: NCT01220947

Public ClinicalTrials.gov record NCT01220947. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 7:24 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This randomized, open-label, active-controlled, parallel-group study will evaluate the sustained virological response of danoprevir boosted with low dose ritonavir in combination with Pegasys (peginterferon alfa-2a) and Copegus versus Pegasys and Copegus alone in treatment-naive patients with chronic Hepatitis C.

Study identification

NCT ID
NCT01220947
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Hoffmann-La Roche
Industry
Enrollment
421 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 31, 2010
Primary completion
Nov 30, 2012
Completion
Nov 30, 2012
Last update posted
Nov 1, 2016

2010 – 2012

United States locations

U.S. sites
25
U.S. states
15
U.S. cities
23
Facility City State ZIP Site status
Not listed La Jolla California 92037-1030
Not listed Sacramento California 95817
Not listed San Diego California 92154
Not listed San Francisco California 94143
Not listed Aurora Colorado 80045
Not listed Orlando Florida 32804
Not listed Orlando Florida 32809
Not listed South Miami Florida 33143
Not listed Decatur Georgia 30033
Not listed Honolulu Hawaii 96817
Not listed Chicago Illinois 60637
Not listed Lutherville Maryland 21093
Not listed Detroit Michigan 48202-2689
Not listed Manhasset New York 11030
Not listed New York New York 10021
Not listed The Bronx New York 10468
Not listed Chapel Hill North Carolina 27599-7584
Not listed Fayetteville North Carolina 28304
Not listed Medford Oregon 97504
Not listed Providence Rhode Island 02905
Not listed Nashville Tennessee 37211
Not listed Houston Texas 77030
Not listed San Antonio Texas 78215
Not listed San Antonio Texas 78234
Not listed Newport News Virginia 23602

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 43 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01220947, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 1, 2016 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01220947 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →