{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tdap+vaccine", "query": { "intervention": "Tdap vaccine" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 91, "total_pages": 10, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tdap+vaccine&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-09T10:52:05.462Z", "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": "NCT04056117", "title": "A Study to Determine If a New Shigella Vaccine is Safe, Induces Immunity and The Best Dose Among Kenyan Infants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Shigellosis" ], "interventions": [ { "name": "Shigella 4V", "type": "BIOLOGICAL" }, { "name": "MenACWY", "type": "BIOLOGICAL" }, { "name": "Rabies", "type": "BIOLOGICAL" }, { "name": "Diphtheria, Tetanus and Pertussis (DTaP)", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "LimmaTech Biologics AG", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "8 Months", "maximum_age": "50 Years", "sex": "ALL", "summary": "8 Months to 50 Years" }, "enrollment_count": 597, "start_date": "2019-09-02", "completion_date": "2022-11-14", "has_results": false, "last_update_posted_date": "2026-06-23", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 0, "location_summary": "Not listed", "locations": [], "official_url": "https://clinicaltrials.gov/study/NCT04056117" }, { "nct_id": "NCT00148941", "title": "Immune Response and Safety Comparison of 3 Lots of GSK Biologicals' DTaP-IPV Candidate Vaccine to DTaP + IPV Vaccines", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Tetanus", "Acellular Pertussis", "Diphtheria" ], "interventions": [ { "name": "SB213503 lot 1", "type": "BIOLOGICAL" }, { "name": "SB213503 lot 2", "type": "BIOLOGICAL" }, { "name": "SB213503 lot 3", "type": "BIOLOGICAL" }, { "name": "Infanrix", "type": "BIOLOGICAL" }, { "name": "IPOL", "type": "BIOLOGICAL" }, { "name": "M-M-R II", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "4 Years", "maximum_age": "6 Years", "sex": "ALL", "summary": "4 Years to 6 Years" }, "enrollment_count": 4209, "start_date": "2005-01-06", "completion_date": "2006-12-04", "has_results": true, "last_update_posted_date": "2020-02-05", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 24, "location_summary": "Little Rock, Arkansas • Antioch, California • Daly City, California + 20 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Antioch", "state": "California" }, { "city": "Daly City", "state": "California" }, { "city": "Fairfield", "state": "California" }, { "city": "Fremont", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00148941" }, { "nct_id": "NCT04142983", "title": "Tdap Vaccine Safety for Plasma Donors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Tetanus" ], "interventions": [ { "name": "Adacel", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "GCAM Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "63 Years", "sex": "ALL", "summary": "18 Years to 63 Years" }, "enrollment_count": 110, "start_date": "2020-02-03", "completion_date": "2021-11-16", "has_results": true, "last_update_posted_date": "2022-12-06", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 2, "location_summary": "Eagle Pass, Texas • Laredo, Texas", "locations": [ { "city": "Eagle Pass", "state": "Texas" }, { "city": "Laredo", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04142983" }, { "nct_id": "NCT01461980", "title": "A Clinical Trial to Study the Safety, Tolerance and Immunogenic Response to MCV4, Tdap and Bivalent rLP2086 Vaccine When Given at the Same Time to Children Between the Ages of 10 Through 12 Years of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Vaccines", "Meningococcal Vaccines" ], "interventions": [ { "name": "rLP2086 + MCV4 + Tdap", "type": "BIOLOGICAL" }, { "name": "MCV4 + Tdap + saline", "type": "BIOLOGICAL" }, { "name": "rLP2086 + saline", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "10 Years", "maximum_age": "12 Years", "sex": "ALL", "summary": "10 Years to 12 Years" }, "enrollment_count": 2648, "start_date": "2011-09-28", "completion_date": "2014-05-08", "has_results": true, "last_update_posted_date": "2018-12-20", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 117, "location_summary": "Birmingham, Alabama • Daphne, Alabama • Chandler, Arizona + 73 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Daphne", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT01461980" }, { "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": "2026-09-09T10:52:05.462Z", "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" }, { "nct_id": "NCT03165981", "title": "Fever After Simultaneous Versus Sequential Vaccination in Young Children", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Fever After Vaccination", "Fever", "Febrile Seizure" ], "interventions": [ { "name": "PCV13", "type": "BIOLOGICAL" }, { "name": "DTaP", "type": "BIOLOGICAL" }, { "name": "IIV", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "12 Months", "maximum_age": "16 Months", "sex": "ALL", "summary": "12 Months to 16 Months" }, "enrollment_count": 221, "start_date": "2017-08-25", "completion_date": "2018-01-15", "has_results": true, "last_update_posted_date": "2024-11-18", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 3, "location_summary": "Oakland, California • Atlanta, Georgia • Durham, North Carolina", "locations": [ { "city": "Oakland", "state": "California" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03165981" }, { "nct_id": "NCT00262028", "title": "Study of the Safety and Immune Response of a Meningococcal Vaccine Administered to Healthy Children", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Prevention of Meningococcal Disease" ], "interventions": [ { "name": "MenACWY-CRM Vaccine", "type": "BIOLOGICAL" }, { "name": "MenACWY-PS Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Novartis Vaccines", "sponsor_class": "INDUSTRY", "healthy_volunteers": null, "eligibility": { "minimum_age": "12 Months", "maximum_age": "10 Years", "sex": "ALL", "summary": "12 Months to 10 Years" }, "enrollment_count": 910, "start_date": "2005-04", "completion_date": "2006-11", "has_results": true, "last_update_posted_date": "2016-02-11", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 1, "location_summary": "Oakland, California", "locations": [ { "city": "Oakland", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00262028" }, { "nct_id": "NCT03463577", "title": "The Safety of Boostrix Following Routine Immunization of Pregnant Women", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Whooping Cough" ], "interventions": [ { "name": "Safety assessment following routine immunization with Boostrix", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "FEMALE", "summary": "Female only" }, "enrollment_count": 65783, "start_date": "2018-04-13", "completion_date": "2020-08-04", "has_results": true, "last_update_posted_date": "2022-05-18", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 1, "location_summary": "Pasadena, California", "locations": [ { "city": "Pasadena", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03463577" }, { "nct_id": "NCT01424644", "title": "A Phase 4, Placebo-Controlled, Randomized Study to Evaluate the Immunogenicity and Safety of HPV and Tdap When Administered With MenACWY in Adolescents", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Meningococcal Meningitis" ], "interventions": [ { "name": "Placebo + Combined Tetanus, Reduced Diphtheria Toxoid, Acellular Pertussis Vaccine + Quadrivalent Human Papillomavirus Vaccine", "type": "BIOLOGICAL" }, { "name": "MenACWY-CRM Conjugate Vaccine + Combined Tetanus, Reduced Diphtheria Toxoid, Acellular Pertussis Vaccine + Quadrivalent Human Papillomavirus Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Novartis", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "11 Years", "maximum_age": "18 Years", "sex": "ALL", "summary": "11 Years to 18 Years" }, "enrollment_count": 801, "start_date": "2011-09", "completion_date": "2012-12", "has_results": true, "last_update_posted_date": "2014-02-14", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 17, "location_summary": "Birmingham, Alabama • Fremont, California • Madera, California + 14 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Fremont", "state": "California" }, { "city": "Madera", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" }, { "city": "Dayton", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT01424644" }, { "nct_id": "NCT04398706", "title": "Study of a Pneumococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Toddlers and Infants", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Pneumococcal Immunisation", "Diphtheria Immunisation", "Tetanus Immunisation", "Pertussis Immunisation", "Hepatitis B Immunisation", "Haemophilus Influenzae Type b Immunisation", "Polio Immunisation", "Measles Immunisation", "Rubella Immunisation", "Varicella Immunisation", "Mumps Immunisation" ], "interventions": [ { "name": "Pneumococcal Conjugate Vaccine formulation 1", "type": "BIOLOGICAL" }, { "name": "Pneumococcal Conjugate Vaccine formulation 2", "type": "BIOLOGICAL" }, { "name": "Pneumococcal Conjugate Vaccine formulation 3", "type": "BIOLOGICAL" }, { "name": "Varicella Virus Vaccine Live", "type": "BIOLOGICAL" }, { "name": "Measles, Mumps, and Rubella Virus Vaccine Live", "type": "BIOLOGICAL" }, { "name": "Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein]", "type": "BIOLOGICAL" }, { "name": "Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus b Conjugate (Tetanus Toxoid Conjugate)", "type": "BIOLOGICAL" }, { "name": "Rotavirus Vaccine, Live, Oral, Pentavalent", "type": "BIOLOGICAL" }, { "name": "Hepatitis B Vaccine* [Recombinant] *as applicable", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "42 Days", "maximum_age": "15 Months", "sex": "ALL", "summary": "42 Days to 15 Months" }, "enrollment_count": 852, "start_date": "2020-05-22", "completion_date": "2023-08-10", "has_results": true, "last_update_posted_date": "2025-09-08", "last_synced_at": "2026-09-09T10:52:05.462Z", "location_count": 49, "location_summary": "Jonesboro, Arkansas • Bellflower, California • Huntington Park, California + 41 more", "locations": [ { "city": "Jonesboro", "state": "Arkansas" }, { "city": "Bellflower", "state": "California" }, { "city": "Huntington Park", "state": "California" }, { "city": "Huntington Park", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04398706" } ] }