NCT01298037Active, not recruiting
HBRN: Immune Regulation and Costimulation in Natural History of Chronic Hepatitis B
Source: ClinicalTrials.gov · Last updated 22 Jan 2026
Brief summary (registry, in English)
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).
- Status (registry)
- Active, not recruiting
- Study type
- Observational
- Enrollment
- 201 (actual)
- First submitted
- 15 Feb 2011
- Start date
- 1 Feb 2011
- Primary completion date
- 1 Dec 2026
- Lead sponsor
- University of Pennsylvania
- Diseases
- Hepatitis B
- NCT number
- NCT01298037
What you commit to
- Study type: Observational
- Participants enrolled: 201
- From 1 Feb 2011 to the primary completion date, 1 Dec 2026
- 12 sites in 2 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- Hgb\<10 or Hct\<30, congestive heart failure or chronic lung disease requiring oxygen, active coronary artery disease with unstable angina, sepsis or renal failure, other significant medical conditions, autoimmune disease or immunosuppression.
Age
- Children under 18 years of age, participants with anemia
Who the study is looking for
- Providing informed consent for this ancillary study.
Age in the registry: 18 years to - · Sex: All · Accepts healthy volunteers
Sites (12)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| University of Toronto Coordinator of this site? Confirm its status | Toronto | Canada | Unknown status |
| Massachusetts General Hospital Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
| Beth Israel Deaconess Medical Center Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
| University of North Carolina Coordinator of this site? Confirm its status | Chapel Hill | United States | Unknown status |
| University of Texas, Southwestern Coordinator of this site? Confirm its status | Dallas | United States | Unknown status |
| University of Minnesota Coordinator of this site? Confirm its status | Plymouth | United States | Unknown status |
| Virginia Commonwealth University Coordinator of this site? Confirm its status | Richmond | United States | Unknown status |
| Mayo Clinic - Rochester Coordinator of this site? Confirm its status | Rochester | United States | Unknown status |
| California Pacific Medical Center Coordinator of this site? Confirm its status | San Francisco | United States | Unknown status |
| University of California San Francisco Medical Center Coordinator of this site? Confirm its status | San Francisco | United States | Unknown status |
| Virginia Mason Medical Center Coordinator of this site? Confirm its status | Seattle | United States | Unknown status |
| Harborview Medical Center Coordinator of this site? Confirm its status | Seattle | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.