Clinical trialNCT01298037Active, not recruitingObservational

HBRN: Immune Regulation and Costimulation in Natural History of Chronic Hepatitis B

SponsorUniversity of PennsylvaniaEnrollment201Hepatitis B

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This is an ancillary to the NIDDK-sponsored Hepatitis B Research Network (HBRN) Study Cohort Study NCT01263587. This study will examine the balance between immune regulatory and effector responses in hepatitis B-infected participants enrolled in the HBRN study (NCT01263587).

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Kyong-Mi Chang, MD
University of Pennsylvania
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

12 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Canada

University of Toronto
Toronto, Ontario, Canada

United States

California Pacific Medical Center
San Francisco, California, United States
University of California San Francisco Medical Center
San Francisco, California, United States
Beth Israel Deaconess Medical Center
Boston, Massachusetts, United States
Massachusetts General Hospital
Boston, Massachusetts, United States
University of Minnesota
Plymouth, Minnesota, United States
Mayo Clinic Rochester
Rochester, Minnesota, United States
University of North Carolina
Chapel Hill, North Carolina, United States
University of Texas Southwestern
Dallas, Texas, United States
Virginia Commonwealth University
Richmond, Virginia, United States
Harborview Medical Center
Seattle, Washington, United States
Virginia Mason Medical Center
Seattle, Washington, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 1 Feb 2011
Primary completion: 1 Dec 2026
Completion: 1 Dec 2026
Last update posted: 22 Jan 2026
Registered enrollment: 201
Registry id: NCT01298037

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 4 Nov 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.