Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed No phase listed Observational

Virology Follow up Study in Subjects Previously Treated With Telaprevir

ClinicalTrials.gov ID: NCT00916474

Public ClinicalTrials.gov record NCT00916474. 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 6, 2026, 2:13 AM EDT

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

Official title

EXTEND: A 3-Year, Virology Follow up Study in Subjects Previously Treated With Telaprevir in Select Clinical Studies

Brief summary

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

Observational follow-up study to assess long-term response to telaprevir and to evaluate changes in Hepatitis C virus over time.

Study identification

NCT ID
NCT00916474
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
408 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 70 Years
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
May 31, 2009
Primary completion
Nov 30, 2013
Completion
Nov 30, 2013
Last update posted
Feb 26, 2014

2009 – 2013

United States locations

U.S. sites
25
U.S. states
16
U.S. cities
25
Facility City State ZIP Site status
Alabama Birmingham Alabama
California Coronado California
California Los Angeles California
California San Francisco California
Colorado Denver Colorado
Colorado Englewood Colorado
Florida Gainsville Florida
Florida Jacksonville Florida
Florida Miami Florida
Georgia Altanta Georgia
Maryland Baltimore Maryland
Massachusetts Boston Massachusetts
Michigan Novi Michigan
Missouri St Louis Missouri
New Mexico Albuquerque New Mexico
New York Manhasset New York
New York New York New York
North Carolina Chapel Hill North Carolina
North Carolina Durham North Carolina
Ohio Cincinnati Ohio
South Carolina Columbia South Carolina
Texas Houston Texas
Texas San Antonio Texas
Virginia Fairfax Virginia
Virginia Falls Church Virginia

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 16 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00916474, 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 Feb 26, 2014 · Synced Sep 6, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00916474 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →