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Completed Phase 3 Interventional Results available

Long Term Interferon for Patients Who Did Not Clear Hepatitis C Virus With Standard Treatment

ClinicalTrials.gov ID: NCT00006164

Public ClinicalTrials.gov record NCT00006164. 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 Apr 20, 2026, 9:21 PM EDT

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

Official title

Hepatitis C Antiviral Long-term Treatment Against Cirrhosis Trial (HALT-C)

Study identification

NCT ID
NCT00006164
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Enrollment
1,050 participants

Conditions and interventions

Interventions

  • Peginterferon alfa-2a Drug
  • Peginterferon alfa-2a + Ribavirin Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Not listed

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

Study timeline

Start date
May 31, 2000
Primary completion
Mar 31, 2007
Completion
Sep 30, 2009
Last update posted
May 11, 2020

2000 – 2009

United States locations

U.S. sites
11
U.S. states
9
U.S. cities
11
Facility City State ZIP Site status
University of California-Irvine/VA Medical Center-Long Beach Long Beach California 90822
USC School of Medicine Los Angeles California 90033
UCHSC (University of Colorado) Denver Colorado 80262
University of Connecticut Health Center Farmington Connecticut 06030
Lds, Niddk, Nih Bethesda Maryland 20892-1800
Massachusetts General Hospital Boston Massachusetts 02114
UMass Memorial HealthCare, University Campus Worcester Massachusetts 01655
University of Michigan Ann Arbor Michigan 48109
Saint Louis University St Louis Missouri 63104
University of Texas Southwestern - Dallas Dallas Texas 75390-9195
Medical College of Virginia Richmond Virginia 23298-0341

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00006164, 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 May 11, 2020 · Synced Apr 20, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00006164 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →