Long-term Follow-up Study to Evaluate Durability of Treatment Response in Previous Bepirovirsen Study Participants (B-Sure)
Public ClinicalTrials.gov record NCT04954859. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Prospective, Multi-Centre Study (B-Sure) to Evaluate Long-Term Durability of Treatment Response in Chronic Hepatitis B Participants With and Without Nucleos(t)Ide Therapy Who Have Participated in a Previous Bepirovirsen Treatment Study
Study identification
- NCT ID
- NCT04954859
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- GlaxoSmithKline
- Industry
- Enrollment
- 360 participants
Conditions and interventions
Conditions
Interventions
- Bepirovirsen Drug
- Placebo Drug
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
- Dec 13, 2021
- Primary completion
- Jan 23, 2029
- Completion
- Jan 23, 2029
- Last update posted
- Jun 23, 2026
2021 – 2029
United States locations
- U.S. sites
- 5
- U.S. states
- 4
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| GSK Investigational Site | Sacramento | California | 95817 | — |
| GSK Investigational Site | San Jose | California | 95128 | — |
| GSK Investigational Site | Colorado Springs | Colorado | 80907 | — |
| GSK Investigational Site | Boston | Massachusetts | 02114 | — |
| GSK Investigational Site | Detroit | Michigan | 48202 | — |
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 158 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04954859, 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 Jun 23, 2026 · Synced Jul 21, 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 NCT04954859 live on ClinicalTrials.gov.