{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TDAP&page=4",
    "query": {
      "intervention": "TDAP",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 98,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TDAP&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TDAP&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T21:14:17.694Z",
  "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": "NCT00467519",
      "title": "Safety and Immunogenicity of Tdap Vaccine Compared to DTaP Vaccine in Children 4 to 6 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tetanus",
        "Diphtheria",
        "Pertussis"
      ],
      "interventions": [
        {
          "name": "Tdap (Tetanus Toxoid Reduced Diphtheria Toxoid/Acellular Pertussis)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP (Diphtheria & Tetanus Toxoids & Acellular Pertussis Adsorbed)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "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": 1045,
      "start_date": "2007-04",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2014-02-07",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 42,
      "location_summary": "Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 34 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00467519"
    },
    {
      "nct_id": "NCT04302675",
      "title": "Adapting Motivational Interviewing for Maternal Immunizations (MI4MI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Maternal Immunization"
      ],
      "interventions": [
        {
          "name": "Prevention, Maternal Immunization",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "15 Years and older · Female only"
      },
      "enrollment_count": 1350,
      "start_date": "2020-05-27",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-05-12",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04302675"
    },
    {
      "nct_id": "NCT01868334",
      "title": "SOP Toolkit in Diverse Practices Implemented & Tested With RE-AIM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adult Influenza Vaccinations",
        "Adult PPSV Vaccinations",
        "Adult Tdap/Td Vaccinations"
      ],
      "interventions": [
        {
          "name": "Pillar 1: Convenient Vaccination Services",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 2: Patient notification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 3: Enhanced Office Systems",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 4: Motivation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70549,
      "start_date": "2013-04",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01868334"
    },
    {
      "nct_id": "NCT00197236",
      "title": "Immunogenicity and Safety of Havrix™ Co-Administered With a Diphtheria, Tetanus and Pertussis and a Haemophilus b Vaccine in Children Aged 15 Months",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis A"
      ],
      "interventions": [
        {
          "name": "Havrix™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Infanrix™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ActHIB™",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "13 Months",
        "sex": "ALL",
        "summary": "12 Months to 13 Months"
      },
      "enrollment_count": 468,
      "start_date": "2003-11-11",
      "completion_date": "2007-12-03",
      "has_results": true,
      "last_update_posted_date": "2018-08-20",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 22,
      "location_summary": "Phoenix, Arizona • Oakland, California • San Ramon, California + 18 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Ramon",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197236"
    },
    {
      "nct_id": "NCT06639074",
      "title": "Folate Receptor Alpha Dendritic Cells (FRαDCs) or Placebo for the Treatment of Patients With Stage III or IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer, FAROUT Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Fallopian Tube Carcinoma",
        "Advanced Fallopian Tube High Grade Serous Adenocarcinoma",
        "Advanced Ovarian Carcinoma",
        "Advanced Ovarian Carcinosarcoma",
        "Advanced Ovarian Clear Cell Adenocarcinoma",
        "Advanced Ovarian Endometrioid Adenocarcinoma",
        "Advanced Ovarian High Grade Serous Adenocarcinoma",
        "Advanced Primary Peritoneal Carcinoma",
        "Advanced Primary Peritoneal High Grade Serous Adenocarcinoma",
        "Fallopian Tube Carcinosarcoma",
        "Fallopian Tube Clear Cell Adenocarcinoma",
        "Fallopian Tube Endometrioid Adenocarcinoma",
        "FIGO Stage III Ovarian Cancer 2014",
        "FIGO Stage IV Ovarian Cancer 2014",
        "Ovarian Mixed Cell Adenocarcinoma",
        "Primary Peritoneal Carcinosarcoma",
        "Primary Peritoneal Clear Cell Adenocarcinoma",
        "Primary Peritoneal Endometrioid Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Diphtheria Toxoid/Tetanus Toxoid/Acellular Pertussis Vaccine Adsorbed",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Multi-epitope Folate Receptor Alpha-loaded Dendritic Cell Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Tetanus and Diphtheria Toxoids Adsorbed",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 78,
      "start_date": "2024-11-12",
      "completion_date": "2029-04-23",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06639074"
    },
    {
      "nct_id": "NCT07493460",
      "title": "Longitudinal Tracking of Bone Marrow Plasma Cell Responses to Licensed Human Vaccines",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Immunology",
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "trivalent inactivated influenza vaccine (TIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "nonavalent HPV vaccine (HPV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "hepatitis A (HAV) vaccines",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tetanus, diphtheria and acellular pertussis vaccine (Tdap)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2025-08-26",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07493460"
    },
    {
      "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": "2026-10-22T21:14:17.694Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00262028"
    },
    {
      "nct_id": "NCT06015308",
      "title": "A Study to Investigate Vaccine Responses in Subcutaneous Amlitelimab Treated Atopic Dermatitis Participants Aged 18 Years and Older Compared With Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dermatitis Atopic"
      ],
      "interventions": [
        {
          "name": "Amlitelimab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Tdap vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PPS vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 224,
      "start_date": "2023-10-06",
      "completion_date": "2026-01-16",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 47,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Anaheim, California + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06015308"
    },
    {
      "nct_id": "NCT00474526",
      "title": "A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningitis, Meningococcal"
      ],
      "interventions": [
        {
          "name": "Meningococcal ACWY Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP-IPV-HBV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hib",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotavirus",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 7-valent Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HAV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MMR-V",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "2 Months to 2 Months"
      },
      "enrollment_count": 4545,
      "start_date": "2007-03",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2014-03-24",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 53,
      "location_summary": "Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more",
      "locations": [
        {
          "city": "Bessemer",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00474526"
    },
    {
      "nct_id": "NCT02165722",
      "title": "4 Pillars Toolkit for Adolescent Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent HPV Vaccine",
        "Adolescent Influenza Vaccine"
      ],
      "interventions": [
        {
          "name": "4 Pillars Toolkit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "11 Years to 17 Years"
      },
      "enrollment_count": 22,
      "start_date": "2013-09",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-10-22T21:14:17.694Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02165722"
    }
  ]
}