{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tdap&page=5",
    "query": {
      "intervention": "Tdap",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 98,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tdap&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tdap&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T16:27:18.457Z",
  "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": "NCT02518555",
      "title": "Ibrutinib as an Immune Modulating Agent for Patients With Asymptomatic, High-risk CLL/SLL Risk Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Diphtheria Toxoid/Tetanus Toxoid/Acellular Pertussis Vaccine Adsorbed",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Pneumococcal 13-valent Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Trivalent Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Jennifer Woyach",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2016-01-12",
      "completion_date": "2026-01-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-10-19T16:27:18.457Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02518555"
    },
    {
      "nct_id": "NCT01565135",
      "title": "Immunization Delivery in Obstetrics and Gynecology Settings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunization Status Among Obstetrics and Gynecology Patients"
      ],
      "interventions": [
        {
          "name": "Multimodal Vaccine Program",
          "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": 97087,
      "start_date": "2012-09",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2019-06-24",
      "last_synced_at": "2026-10-19T16:27:18.457Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01565135"
    },
    {
      "nct_id": "NCT02377843",
      "title": "Making Effective Human Papillomavirus (HPV) Vaccine Recommendations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus"
      ],
      "interventions": [
        {
          "name": "Participatory",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Efficient",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 30,
      "start_date": "2015-03",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-09-12",
      "last_synced_at": "2026-10-19T16:27:18.457Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02377843"
    },
    {
      "nct_id": "NCT07249762",
      "title": "Surgical Critical Care Initiative (SC2i) Tissue and Data Acquisition Protocol (TDAP) in Burn Patients Improving the Robustness and Generalizability of Post-burn Sepsis Prediction With the Post-Burn Sepsis Digital Twin. Group 1",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sepsis",
        "Burn Injury",
        "Wound Healing",
        "Critical Illness",
        "Multiple Organ Dysfunction Syndrome"
      ],
      "interventions": [
        {
          "name": "Observational Cohort (No Intervention)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-05-15",
      "completion_date": "2027-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-10-19T16:27:18.457Z",
      "location_count": 3,
      "location_summary": "Tampa, Florida • Atlanta, Georgia • Houston, Texas",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07249762"
    },
    {
      "nct_id": "NCT04138056",
      "title": "A Study of a Vaccine Against Respiratory Syncytial Virus (RSV) When Given Alone and Together With a Vaccine Against Diphtheria, Pertussis and Tetanus (Tdap) Viruses Followed by a 2nd Dose of the RSV Vaccine to Healthy Non-Pregnant Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSVPreF3 formulation 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSVPreF3 formulation 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Boostrix-ex-US",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Boostrix-US",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 509,
      "start_date": "2019-11-05",
      "completion_date": "2021-11-22",
      "has_results": true,
      "last_update_posted_date": "2024-08-21",
      "last_synced_at": "2026-10-19T16:27:18.457Z",
      "location_count": 4,
      "location_summary": "Miami, Florida • Lenexa, Kansas • Rochester, New York + 1 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04138056"
    },
    {
      "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": "2026-10-19T16:27:18.457Z",
      "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": "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": "2026-10-19T16:27:18.457Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07493460"
    },
    {
      "nct_id": "NCT02199691",
      "title": "Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Healthy Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Meningitis",
        "Meningococcal Infections"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide (Serogroups A, C, Y, and W135) Tetanus Toxoid Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Meningococcal (Groups A, C, Y and W135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Adacel®: Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine Adsorbed",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GARDASIL®: Human Papillomavirus Quadrivalent (Types 6, 11, 16, and 18) Vaccine, Recombinant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 1715,
      "start_date": "2014-07-22",
      "completion_date": "2015-10-02",
      "has_results": true,
      "last_update_posted_date": "2022-04-04",
      "last_synced_at": "2026-10-19T16:27:18.457Z",
      "location_count": 35,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Downey, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02199691"
    },
    {
      "nct_id": "NCT02261961",
      "title": "Immune Function and Muscle Adaptations to Resistance Exercise in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcopenia",
        "Aging",
        "Immune Function"
      ],
      "interventions": [
        {
          "name": "TDAP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Acute Resistance Exercise",
          "type": "OTHER"
        },
        {
          "name": "Resistance Exercise Training",
          "type": "OTHER"
        },
        {
          "name": "Post-training Follow-up",
          "type": "OTHER"
        },
        {
          "name": "Nutritional Supplement (Muscle Armor)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (Kool-Aid)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "60 Years to 80 Years"
      },
      "enrollment_count": 59,
      "start_date": "2014-07-23",
      "completion_date": "2019-09-30",
      "has_results": true,
      "last_update_posted_date": "2021-09-28",
      "last_synced_at": "2026-10-19T16:27:18.457Z",
      "location_count": 1,
      "location_summary": "North Little Rock, Arkansas",
      "locations": [
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02261961"
    },
    {
      "nct_id": "NCT00777257",
      "title": "Study of Menactra® in US Adolescents When Administered Concomitantly With Tdap Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcemia",
        "Pertussis",
        "Tetanus",
        "Diphtheria"
      ],
      "interventions": [
        {
          "name": "T dap + Meningococcal Polysaccharide Diphtheria Toxoid Conj.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tdap + Meningococcal Polysaccharide Diphtheria Toxoid Conj.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Meningococcal Polysaccharide Diphtheria Toxoid Conj. + T dap",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "11 Years to 17 Years"
      },
      "enrollment_count": 1345,
      "start_date": "2005-04",
      "completion_date": "2007-09",
      "has_results": true,
      "last_update_posted_date": "2014-02-14",
      "last_synced_at": "2026-10-19T16:27:18.457Z",
      "location_count": 20,
      "location_summary": "Jonesboro, Arkansas • Little Rock, Arkansas • Boulder, Colorado + 17 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Woodstock",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00777257"
    }
  ]
}