{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hepatitis+b+Virus", "query": { "condition": "Hepatitis b Virus" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 316, "total_pages": 32, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hepatitis+b+Virus&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-07-22T18:13:59.860Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT02401737", "title": "Dose-Ranging Study to Assess the Safety, PK and Initial Antiviral Efficacy of NVR 3-778 in Chronic HBV Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Chronic Hepatitis B" ], "interventions": [ { "name": "NVR 3-778", "type": "DRUG" }, { "name": "Placebo for NVR 3-778", "type": "DRUG" }, { "name": "Pegasys", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Novira Therapeutics, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 58, "start_date": "2015-01-31", "completion_date": "2016-05-18", "has_results": false, "last_update_posted_date": "2017-10-18", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 4, "location_summary": "Costa Mesa, California • Pasadena, California • San Diego, California + 1 more", "locations": [ { "city": "Costa Mesa", "state": "California" }, { "city": "Pasadena", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02401737" }, { "nct_id": "NCT02071082", "title": "Efficacy and Safety of E/C/F/TAF (Genvoya®) in HIV-1/Hepatitis B Co-infected Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "HIV", "HBV" ], "interventions": [ { "name": "E/C/F/TAF", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 79, "start_date": "2014-02-25", "completion_date": "2016-10-26", "has_results": true, "last_update_posted_date": "2018-11-16", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 21, "location_summary": "Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 16 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" } ], "official_url": "https://clinicaltrials.gov/study/NCT02071082" }, { "nct_id": "NCT00004850", "title": "Epidemiology, Infectivity and Natural History of Hepatitis C Virus Infection", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Hepatitis C", "Hepatitis B" ], "interventions": [], "intervention_types": [], "sponsor": "National Institutes of Health Clinical Center (CC)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 805, "start_date": "1991-03-15", "completion_date": null, "has_results": false, "last_update_posted_date": "2026-07-17", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT00004850" }, { "nct_id": "NCT00736190", "title": "A Study to Evaluate Tenofovir Disoproxil Fumarate (DF) in Asian-American Adults With Chronic Hepatitis B Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Chronic Hepatitis B" ], "interventions": [ { "name": "Tenofovir disoproxil fumarate", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 90, "start_date": "2008-08", "completion_date": "2010-07", "has_results": true, "last_update_posted_date": "2011-12-05", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 21, "location_summary": "Fountain Valley, California • Hacienda Heights, California • Los Angeles, California + 17 more", "locations": [ { "city": "Fountain Valley", "state": "California" }, { "city": "Hacienda Heights", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Monterey Park", "state": "California" }, { "city": "Mountain View", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00736190" }, { "nct_id": "NCT03312023", "title": "Ledipasvir/Sofosbuvir for Hepatitis B Virus Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis B" ], "interventions": [ { "name": "Ledipasvir 90 MG / Sofosbuvir 400 MG Oral Tablet [Harvoni]", "type": "DRUG" }, { "name": "Sofosbuvir 400 MG [Sovaldi]", "type": "DRUG" }, { "name": "Ledipasvir 90 MG", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Maryland, Baltimore", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 21, "start_date": "2018-02-01", "completion_date": "2021-06-30", "has_results": true, "last_update_posted_date": "2021-09-20", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03312023" }, { "nct_id": "NCT04585789", "title": "A Study to Assess Intrahepatic and Peripheral Changes of Immunologic and Virologic Markers in Chronic Hepatitis B Virus Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis B" ], "interventions": [ { "name": "JNJ-73763989", "type": "DRUG" }, { "name": "JNJ-56136379", "type": "DRUG" }, { "name": "Entecavir (ETV)", "type": "DRUG" }, { "name": "Tenofovir disoproxil", "type": "DRUG" }, { "name": "Tenofovir alafenamide (TAF)", "type": "DRUG" }, { "name": "PegIFN-alpha-2a (Optional)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 24, "start_date": "2021-03-11", "completion_date": "2024-01-09", "has_results": true, "last_update_posted_date": "2025-05-21", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT04585789" }, { "nct_id": "NCT03530124", "title": "Apnea in Hospitalized Preterm Infants Following the Administration of Routine Childhood Vaccines", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Apnea", "Apnea Neonatal", "Prematurity" ], "interventions": [ { "name": "PCV13", "type": "BIOLOGICAL" }, { "name": "DTaP", "type": "BIOLOGICAL" }, { "name": "HBV", "type": "BIOLOGICAL" }, { "name": "IPV", "type": "BIOLOGICAL" }, { "name": "Hib", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Weeks", "maximum_age": null, "sex": "ALL", "summary": "6 Weeks and older" }, "enrollment_count": 223, "start_date": "2018-07-17", "completion_date": "2021-11-01", "has_results": true, "last_update_posted_date": "2024-02-14", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 4, "location_summary": "Atlanta, Georgia • Chapel Hill, North Carolina • Durham, North Carolina + 1 more", "locations": [ { "city": "Atlanta", "state": "Georgia" }, { "city": "Chapel Hill", "state": "North Carolina" }, { "city": "Durham", "state": "North Carolina" }, { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT03530124" }, { "nct_id": "NCT00244374", "title": "A Randomized Trial of Vaccine Adherence in Young Injection Drug Users", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Medication Adherence", "Substance Abuse, Intravenous", "Risk Behavior", "Hepatitis A", "Hepatitis B", "Hepatitis C" ], "interventions": [ { "name": "Hepatitis A & B vaccine", "type": "BIOLOGICAL" }, { "name": "Outreach", "type": "BEHAVIORAL" }, { "name": "AIC", "type": "BEHAVIORAL" }, { "name": "SEP", "type": "BEHAVIORAL" } ], "intervention_types": [ "BIOLOGICAL", "BEHAVIORAL" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "14 Years", "maximum_age": "29 Years", "sex": "ALL", "summary": "14 Years to 29 Years" }, "enrollment_count": 546, "start_date": "2004-08", "completion_date": "2008-06", "has_results": true, "last_update_posted_date": "2013-09-30", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00244374" }, { "nct_id": "NCT02174276", "title": "Safety and Efficacy of GS-4774 in Combination With Tenofovir Disoproxil Fumarate (TDF) for the Treatment of Participants With Chronic Hepatitis B (CHB) and Who Are Currently Not on Treatment", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Hepatitis B" ], "interventions": [ { "name": "Tenofovir disoproxil fumarate", "type": "DRUG" }, { "name": "GS-4774", "type": "BIOLOGICAL" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 195, "start_date": "2014-07-24", "completion_date": "2018-05-30", "has_results": true, "last_update_posted_date": "2019-06-04", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 12, "location_summary": "Palo Alto, California • Sacramento, California • San Diego, California + 9 more", "locations": [ { "city": "Palo Alto", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "San Jose", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02174276" }, { "nct_id": "NCT01369199", "title": "Combination Entecavir and Peginterferon Therapy in HBeAg-Positive Immune-Tolerant Adults With Chronic Hepatitis B", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis B" ], "interventions": [ { "name": "Entecavir and peginterferon", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 28, "start_date": "2012-05", "completion_date": "2017-02-14", "has_results": true, "last_update_posted_date": "2022-05-26", "last_synced_at": "2026-07-22T18:13:59.860Z", "location_count": 20, "location_summary": "Los Angeles, California • San Francisco, California • Honolulu, Hawaii + 11 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Honolulu", "state": "Hawaii" } ], "official_url": "https://clinicaltrials.gov/study/NCT01369199" } ] }