{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vaccine-Preventable+Diseases",
    "query": {
      "condition": "Vaccine-Preventable Diseases"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vaccine-Preventable+Diseases&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:48:00.887Z",
  "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": "NCT04904744",
      "title": "Effect of Varied Outreach Methods on Appointment Scheduling, Appointment Completion, and Receipt of COVID-19 Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Care Utilization",
        "Vaccine Preventable Disease"
      ],
      "interventions": [
        {
          "name": "Low tailored message",
          "type": "OTHER"
        },
        {
          "name": "No message",
          "type": "OTHER"
        },
        {
          "name": "Low tailored message plus COVID-19 vaccine message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 1235,
      "start_date": "2021-05-28",
      "completion_date": "2021-12-10",
      "has_results": true,
      "last_update_posted_date": "2024-10-28",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04904744"
    },
    {
      "nct_id": "NCT06036134",
      "title": "Reducing COVID-19 Vaccine Hesitancy Among Hispanic Parents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine-Preventable Diseases",
        "COVID-19 Pandemic",
        "Health-Related Behavior",
        "Health Knowledge, Attitudes, Practice",
        "Narration"
      ],
      "interventions": [
        {
          "name": "Baseline surveys",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital Storytelling Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information Control Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2023-12-01",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06036134"
    },
    {
      "nct_id": "NCT06074237",
      "title": "Improving Vaccine Counseling Skills Among Residents Using Educational Modules and Standardized Patient Encounters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Refusal",
        "Vaccine-Preventable Diseases",
        "Physician-Patient Relations"
      ],
      "interventions": [
        {
          "name": "Immersive resident education",
          "type": "OTHER"
        },
        {
          "name": "Standardized patient (SP) encounter",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Corewell Health East",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2024-04-25",
      "completion_date": "2025-06-27",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06074237"
    },
    {
      "nct_id": "NCT01984125",
      "title": "Testing the Use of Prompts to Increase Adolescent Immunization Rates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Preventable Diseases",
        "Meningococcal Disease",
        "Human Papillomavirus",
        "Pertussis",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Point-of-Care Prompt",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 7040,
      "start_date": "2011-04",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2017-05-02",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 22,
      "location_summary": "Little Rock, Arkansas • Wilmington, Delaware • Gainesville, Florida + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01984125"
    },
    {
      "nct_id": "NCT05204030",
      "title": "Hashtag HPV: HPV Vaccine Twitter Education Program",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus",
        "Vaccine-Preventable Diseases"
      ],
      "interventions": [
        {
          "name": "HPV Twitter Education Program - Narrative",
          "type": "OTHER"
        },
        {
          "name": "HPV Twitter Education Program - Non-Narrative",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Arkansas, Fayetteville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2021-12-13",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2023-01-30",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05204030"
    },
    {
      "nct_id": "NCT05984849",
      "title": "Playing Game to Learn About Children's Vaccine Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV",
        "Vaccine-Preventable Diseases"
      ],
      "interventions": [
        {
          "name": "vaccination game",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Michigan State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "11 Years to 14 Years"
      },
      "enrollment_count": 180,
      "start_date": "2025-10-27",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 1,
      "location_summary": "Chandler, Arizona",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05984849"
    },
    {
      "nct_id": "NCT04944134",
      "title": "COVID-19 Antibody Levels After Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vaccine Preventable Disease"
      ],
      "interventions": [
        {
          "name": "COVID-19 Vaccination",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 71,
      "start_date": "2021-06-09",
      "completion_date": "2022-04-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-01",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04944134"
    },
    {
      "nct_id": "NCT06633835",
      "title": "Impact of Reactogenicity of the 2024-2025 COVID-19 Vaccines on Health Care Workers and First Responders in the United States",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "COVID-19",
        "Vaccine-Preventable Diseases",
        "SARS CoV 2 Infection"
      ],
      "interventions": [
        {
          "name": "protein subunit: Novavax COVID-19 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pfizer mRNA COVID-19 vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 660,
      "start_date": "2024-09-20",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-10",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06633835"
    },
    {
      "nct_id": "NCT03372967",
      "title": "Project IMPACT Immunizations (IMProving America's Communities Together) Scaled Demonstration",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Vaccine administration by a pharmacist",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Unmet vaccination needs identified and met",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaccination forecast review and patient education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "American Pharmacists Association Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6234,
      "start_date": "2017-12-12",
      "completion_date": "2019-11-20",
      "has_results": false,
      "last_update_posted_date": "2019-12-13",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 22,
      "location_summary": "Atlantic, Iowa • Carlisle, Iowa • Coralville, Iowa + 18 more",
      "locations": [
        {
          "city": "Atlantic",
          "state": "Iowa"
        },
        {
          "city": "Carlisle",
          "state": "Iowa"
        },
        {
          "city": "Coralville",
          "state": "Iowa"
        },
        {
          "city": "Eagle Grove",
          "state": "Iowa"
        },
        {
          "city": "Eldora",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03372967"
    },
    {
      "nct_id": "NCT05750017",
      "title": "A Study to Evaluate Safety and Tolerability of a Recombinant Herpes Zoster Vaccine",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Herpes Zoster",
        "Vaccine-Preventable Diseases"
      ],
      "interventions": [
        {
          "name": "Low Dose Recombinant Herpes Zoster Vaccine (LZ901)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "High Dose Recombinant Herpes Zoster Vaccine (LZ901)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Beijing Luzhu Biotechnology Co., Ltd.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 66,
      "start_date": "2023-03-23",
      "completion_date": "2024-03-15",
      "has_results": false,
      "last_update_posted_date": "2023-03-27",
      "last_synced_at": "2026-05-22T07:48:00.887Z",
      "location_count": 1,
      "location_summary": "Secaucus, New Jersey",
      "locations": [
        {
          "city": "Secaucus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05750017"
    }
  ]
}