{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hepatitis+B+virus+vaccine&page=2", "query": { "intervention": "Hepatitis B virus vaccine", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 84, "total_pages": 9, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hepatitis+B+virus+vaccine&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hepatitis+B+virus+vaccine&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-07T23:33:20.465Z", "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": "NCT06397768", "title": "Co-administration Study of an Investigational Live-Attenuated Respiratory Syncytial Virus Vaccine in Infants and Toddlers", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "RSV Immunization" ], "interventions": [ { "name": "RSVt vaccine", "type": "BIOLOGICAL" }, { "name": "Diphtheria, tetanus, pertussis, poliomyelitis , Haemophilus influenzae type b, and hepatitis B vaccine", "type": "BIOLOGICAL" }, { "name": "Diphtheria, tetanus, pertussis, Haemophilus influenzae type b and poliomyelitis vaccine", "type": "BIOLOGICAL" }, { "name": "Hepatitis B vaccine", "type": "BIOLOGICAL" }, { "name": "Streptococcus pneumoniae vaccine", "type": "BIOLOGICAL" }, { "name": "Rotavirus vaccine", "type": "BIOLOGICAL" }, { "name": "Measles, mumps, and rubella vaccine", "type": "BIOLOGICAL" }, { "name": "Varicella virus vaccine", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Months", "maximum_age": "12 Months", "sex": "ALL", "summary": "6 Months to 12 Months" }, "enrollment_count": 2226, "start_date": "2024-05-13", "completion_date": "2025-09-18", "has_results": false, "last_update_posted_date": "2026-10-05", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 66, "location_summary": "Birmingham, Alabama • Grand Bay, Alabama • Mobile, Alabama + 55 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Grand Bay", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Bell Gardens", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06397768" }, { "nct_id": "NCT00511095", "title": "Open-Label Study of the Safety and Immunogenicity of HEPLISAV™ Hepatitis B Virus Vaccine", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Hepatitis B" ], "interventions": [ { "name": "HEPLISAV", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Dynavax Technologies Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "11 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "11 Years to 55 Years" }, "enrollment_count": 207, "start_date": "2007-06", "completion_date": "2008-03", "has_results": true, "last_update_posted_date": "2019-04-30", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 7, "location_summary": "Boardman, Ohio • Grove City, Pennsylvania • Pittsburgh, Pennsylvania + 3 more", "locations": [ { "city": "Boardman", "state": "Ohio" }, { "city": "Grove City", "state": "Pennsylvania" }, { "city": "Pittsburgh", "state": "Pennsylvania" }, { "city": "Pittsburgh", "state": "Pennsylvania" }, { "city": "Upper Saint Clair", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT00511095" }, { "nct_id": "NCT05170399", "title": "Vaccine Responses in Patients With B Cell Malignancies", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Lymphoma" ], "interventions": [ { "name": "AREXVY, ABRYSVO", "type": "DRUG" }, { "name": "PREVNAR 20", "type": "DRUG" }, { "name": "PNEUMOVAX 23", "type": "BIOLOGICAL" }, { "name": "Heplisav -B", "type": "BIOLOGICAL" }, { "name": "PREVNAR 13", "type": "BIOLOGICAL" }, { "name": "Shingrix", "type": "BIOLOGICAL" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "18 Years to 90 Years" }, "enrollment_count": 350, "start_date": "2022-09-14", "completion_date": "2036-11-15", "has_results": false, "last_update_posted_date": "2026-08-04", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT05170399" }, { "nct_id": "NCT00106964", "title": "Comparison of Three Hepatitis B Vaccination Regimens in HIV-Positive Youth", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "HIV Infection", "Hepatitis B" ], "interventions": [ { "name": "Engerix-B 20 mcg", "type": "BIOLOGICAL" }, { "name": "Engerix-B 40 mcg", "type": "BIOLOGICAL" }, { "name": "Twinrix 720 EIA HAV Ag plus 20 mcg HBsAg", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "University of North Carolina, Chapel Hill", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "24 Years", "sex": "ALL", "summary": "12 Years to 24 Years" }, "enrollment_count": 371, "start_date": "2004-01", "completion_date": "2009-06", "has_results": true, "last_update_posted_date": "2017-03-29", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 4, "location_summary": "Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 1 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "New Orleans", "state": "Louisiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT00106964" }, { "nct_id": "NCT00272493", "title": "Safety and Effectiveness of an Adjuvant in Improving Immune Response to Hepatitis B Virus Vaccine in HIV Infected Individuals", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "Hepatitis B virus vaccine with GM-CSF adjuvant", "type": "BIOLOGICAL" }, { "name": "Hepatitis B virus vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 48, "start_date": null, "completion_date": "2008-09", "has_results": false, "last_update_posted_date": "2021-10-25", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 11, "location_summary": "Chicago, Illinois • St Louis, Missouri • New York, New York + 6 more", "locations": [ { "city": "Chicago", "state": "Illinois" }, { "city": "Chicago", "state": "Illinois" }, { "city": "St Louis", "state": "Missouri" }, { "city": "New York", "state": "New York" }, { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00272493" }, { "nct_id": "NCT01182311", "title": "Duration of Long-term Immunity After Hepatitis B Virus Immunization", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Hepatitis B" ], "interventions": [], "intervention_types": [], "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": 205, "start_date": "2010-09-08", "completion_date": "2020-12-09", "has_results": false, "last_update_posted_date": "2020-12-11", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT01182311" }, { "nct_id": "NCT04199715", "title": "Safety and Efficacy of a Hepatitis B Vaccine in Immunosuppressed Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Hepatitis B" ], "interventions": [ { "name": "Heplisav-B", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Baylor Research Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 10, "start_date": "2019-12-03", "completion_date": "2022-01-20", "has_results": false, "last_update_posted_date": "2022-03-11", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 1, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04199715" }, { "nct_id": "NCT01049035", "title": "A Study of a Quadrivalent Meningococcal Tetanus Protein Conjugate Vaccine in Infants and Toddlers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Meningitis", "Meningococcal Infection" ], "interventions": [ { "name": "Quadrivalent Meningococcal Polysaccharide (A, C, Y, and W-135) Tetanus Protein Conjugate", "type": "BIOLOGICAL" }, { "name": "Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus B Conjugate (Tetanus Toxoid Conjugate) Vaccine Combined (DTaP-IPV/Hib combined)", "type": "BIOLOGICAL" }, { "name": "M-M-RII-Measles, Mumps, and Rubella Virus Vaccine Live", "type": "BIOLOGICAL" }, { "name": "Varicella Virus Vaccine Live", "type": "BIOLOGICAL" }, { "name": "Pneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein)", "type": "BIOLOGICAL" }, { "name": "Pneumococcal 13-valent Conjugate Vaccine (Diphtheria CRM197 Protein)", "type": "BIOLOGICAL" }, { "name": "Rotavirus Vaccine", "type": "BIOLOGICAL" }, { "name": "Hepatitis B Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "42 Days", "maximum_age": "365 Days", "sex": "ALL", "summary": "42 Days to 365 Days" }, "enrollment_count": 580, "start_date": "2009-12-16", "completion_date": "2012-02-13", "has_results": true, "last_update_posted_date": "2022-03-28", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 25, "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Jonesboro, Arkansas + 20 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Tuscaloosa", "state": "Alabama" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Fountain Valley", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01049035" }, { "nct_id": "NCT00926146", "title": "Hepatitis B Virus (HBV) Prevention for Homeless at Risk for HBV/Hepatitis C Virus (HCV)/HIV", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Hepatitis B", "Hepatitis C", "HIV", "HIV Infections" ], "interventions": [ { "name": "NCMIT", "type": "BEHAVIORAL" }, { "name": "SCMIT", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "39 Years", "sex": "MALE", "summary": "18 Years to 39 Years · Male only" }, "enrollment_count": 451, "start_date": "2009-07", "completion_date": "2015-02", "has_results": false, "last_update_posted_date": "2017-01-30", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00926146" }, { "nct_id": "NCT03691610", "title": "Immunogenicity and Safety Study of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Healthy Volunteers (Meningococcal Infection)" ], "interventions": [ { "name": "Meningococcal Polysaccharide (Serogroups A,C,Y and W) Tetanus Toxoid Conjugate vaccine MenACYW conjugate vaccine", "type": "BIOLOGICAL" }, { "name": "Meningococcal (Groups A, C, Y and W 135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Meningococcal Polysaccharide (serogroups A,C,Y and W-135) Diphtheria Toxoid Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Diphtheria and Tetanus Toxoids and Acellular Pertussis, inactivated Poliovirus and Haemophilus b Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Diphtheria and Tetanus Toxoids and Acellular Pertussis, Hepatitis B and Inactivated Poliovirus Vaccine", "type": "BIOLOGICAL" }, { "name": "Haemophilus b Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Pneumococcal 13-valent Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Rotavirus Vaccine, Live, Oral, Pentavalent", "type": "BIOLOGICAL" }, { "name": "Hepatitis B Vaccine", "type": "BIOLOGICAL" }, { "name": "Measles, Mumps, and Rubella Virus Vaccine Live", "type": "BIOLOGICAL" }, { "name": "Varicella Virus Vaccine Live", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Months", "maximum_age": "19 Months", "sex": "ALL", "summary": "6 Months to 19 Months" }, "enrollment_count": 950, "start_date": "2018-10-04", "completion_date": "2023-10-20", "has_results": true, "last_update_posted_date": "2024-06-25", "last_synced_at": "2026-10-07T23:33:20.465Z", "location_count": 45, "location_summary": "Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 37 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Dothan", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Anaheim", "state": "California" }, { "city": "Bellflower", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03691610" } ] }