{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Engerix-B", "query": { "intervention": "Engerix-B" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 23, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Engerix-B&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-02T07:50:03.495Z", "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": "NCT01000974", "title": "Consistency & Immunogenicity Study of 3 Lots of GSK's Hib Conjugate Vaccine Versus ActHIB & Pentacel in Healthy Infants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Haemophilus Influenzae Type b" ], "interventions": [ { "name": "GSK Biologicals' Haemophilus influenzae type b vaccine (GSK 208108)", "type": "BIOLOGICAL" }, { "name": "ActHIB™", "type": "BIOLOGICAL" }, { "name": "Pentacel™", "type": "BIOLOGICAL" }, { "name": "Pediarix™", "type": "BIOLOGICAL" }, { "name": "Prevnar 13™", "type": "BIOLOGICAL" }, { "name": "Rotarix™", "type": "BIOLOGICAL" }, { "name": "Engerix™-B", "type": "BIOLOGICAL" }, { "name": "Infanrix™", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Weeks", "maximum_age": "12 Weeks", "sex": "ALL", "summary": "6 Weeks to 12 Weeks" }, "enrollment_count": 4003, "start_date": "2010-06-18", "completion_date": "2013-07-17", "has_results": true, "last_update_posted_date": "2018-07-12", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 63, "location_summary": "Dothan, Alabama • Benton, Arkansas • Fayetteville, Arkansas + 59 more", "locations": [ { "city": "Dothan", "state": "Alabama" }, { "city": "Benton", "state": "Arkansas" }, { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01000974" }, { "nct_id": "NCT01311674", "title": "Hepatitis B Virus Antibody Booster Program for the Production of Hepatitis B Immune Globulin (HBIG)", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Healthy Volunteers" ], "interventions": [ { "name": "hepatitis B vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Emergent BioSolutions", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "20 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "20 Years to 55 Years" }, "enrollment_count": 141, "start_date": "2009-09", "completion_date": "2011-03-11", "has_results": true, "last_update_posted_date": "2024-03-18", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 2, "location_summary": "Altamonte Springs, Florida • Frederick, Maryland", "locations": [ { "city": "Altamonte Springs", "state": "Florida" }, { "city": "Frederick", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT01311674" }, { "nct_id": "NCT03408730", "title": "Lot-to-lot Consistency of Sci-B-Vac™ in Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis B Vaccines" ], "interventions": [ { "name": "Hepatitis B Vaccination", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "VBI Vaccines Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 2838, "start_date": "2017-12-14", "completion_date": "2019-10-01", "has_results": true, "last_update_posted_date": "2021-03-25", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 15, "location_summary": "Birmingham, Alabama • Tempe, Arizona • Anaheim, California + 12 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Tempe", "state": "Arizona" }, { "city": "Anaheim", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "North Hollywood", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03408730" }, { "nct_id": "NCT02117934", "title": "Safety and Immunogenicity Study of the Hepatitis B Vaccine, HEPLISAV™, Compared to Engerix-B® Vaccine", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "HEPLISAV", "type": "BIOLOGICAL" }, { "name": "Engerix-B", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Dynavax Technologies Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 8374, "start_date": "2014-04", "completion_date": "2015-10", "has_results": true, "last_update_posted_date": "2019-03-20", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 40, "location_summary": "Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 31 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Glendale", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT02117934" }, { "nct_id": "NCT04456504", "title": "HepB-CpG Series for Healthcare Workers Who Are Hepatitis B Vaccine Nonresponders", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Healthcare Worker, Hepatitis B Vaccine, Nonresponder" ], "interventions": [ { "name": "Recombinant hepatitis B vaccine with CpG adjuvant", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "University of Wisconsin, Madison", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 49, "start_date": "2020-09-15", "completion_date": "2023-12-06", "has_results": true, "last_update_posted_date": "2024-07-16", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 1, "location_summary": "Madison, Wisconsin", "locations": [ { "city": "Madison", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT04456504" }, { "nct_id": "NCT00133445", "title": "Pentavalent DTaP-Hep B-IPV", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Diphtheria", "Hepatitis B", "Poliomyelitis", "Pertussis", "Tetanus" ], "interventions": [ { "name": "DTaP-Hep B-IPV Vaccine", "type": "BIOLOGICAL" }, { "name": "Monovalent Hep B Vaccine", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": null, "maximum_age": "5 Days", "sex": "ALL", "summary": "Up to 5 Days" }, "enrollment_count": 5, "start_date": "2005-12", "completion_date": "2006-08", "has_results": false, "last_update_posted_date": "2011-11-07", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 1, "location_summary": "Torrance, California", "locations": [ { "city": "Torrance", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00133445" }, { "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": "2026-09-02T07:50:03.495Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00244374" }, { "nct_id": "NCT03537508", "title": "Immunogenicity and Safety of a Quadrivalent Meningococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers in the US", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Healthy Volunteers (Meningococcal Infection)" ], "interventions": [ { "name": "MenACYW conjugate vaccine", "type": "BIOLOGICAL" }, { "name": "MenACYW-135 conjugate vaccine", "type": "BIOLOGICAL" }, { "name": "DTaP-IPV//Hib vaccine", "type": "BIOLOGICAL" }, { "name": "Pneumococcal 13-valent conjugate vaccine", "type": "BIOLOGICAL" }, { "name": "Pentavalent rotavirus vaccine", "type": "BIOLOGICAL" }, { "name": "Hepatitis B vaccine", "type": "BIOLOGICAL" }, { "name": "Measles, mumps, rubella (MMR) vaccine", "type": "BIOLOGICAL" }, { "name": "Varicella vaccine", "type": "BIOLOGICAL" }, { "name": "Hepatitis A 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": "89 Days", "sex": "ALL", "summary": "42 Days to 89 Days" }, "enrollment_count": 2627, "start_date": "2018-04-25", "completion_date": "2023-09-22", "has_results": true, "last_update_posted_date": "2024-10-15", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 65, "location_summary": "Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 54 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Dothan", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Jonesboro", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03537508" }, { "nct_id": "NCT00841477", "title": "An Hepatitis B Vaccine Model for HIV Vaccine Trials in Drug Users", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hepatitis B Infection", "Hepatitis C Infection", "HIV Infection" ], "interventions": [ { "name": "hepatitis B vaccine 3 dose schedule (0,1,2 month)", "type": "BIOLOGICAL" }, { "name": "HBV Vaccination Self-Efficacy Intervention", "type": "BEHAVIORAL" } ], "intervention_types": [ "BIOLOGICAL", "BEHAVIORAL" ], "sponsor": "National Institute on Drug Abuse (NIDA)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1260, "start_date": "2004-01", "completion_date": "2009-12", "has_results": false, "last_update_posted_date": "2017-01-11", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00841477" }, { "nct_id": "NCT03673462", "title": "Safety 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 (MENVEO®)", "type": "BIOLOGICAL" }, { "name": "Diphtheria, Tetanus, Acellular Pertussis, Poliovirus and Haemophilus b Vaccine", "type": "BIOLOGICAL" }, { "name": "Pneumococcal 13-valent Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Rotavirus Vaccine", "type": "BIOLOGICAL" }, { "name": "Hepatitis B Vaccine", "type": "BIOLOGICAL" }, { "name": "Measles, Mumps, and Rubella Virus Vaccine", "type": "BIOLOGICAL" }, { "name": "Varicella Virus 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": "89 Days", "sex": "ALL", "summary": "42 Days to 89 Days" }, "enrollment_count": 2797, "start_date": "2018-09-17", "completion_date": "2023-03-16", "has_results": true, "last_update_posted_date": "2023-12-14", "last_synced_at": "2026-09-02T07:50:03.495Z", "location_count": 67, "location_summary": "Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 56 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Dothan", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Fayetteville", "state": "Arkansas" }, { "city": "Hot Springs", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03673462" } ] }