{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vaccine+Uptake",
    "query": {
      "condition": "Vaccine Uptake"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 64,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vaccine+Uptake&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:02:44.870Z",
  "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": "NCT02546752",
      "title": "Use of a Patient Education/Messaging Platform to Increase Uptake and Series Completion of the HPV Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Human Papilloma Virus Infection Type 11",
        "Human Papilloma Virus Infection Type 16",
        "Human Papilloma Virus Infection Type 18",
        "Human Papilloma Virus Infection Type 6",
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "THEO",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Regenstrief Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "11 Years to 17 Years"
      },
      "enrollment_count": 1306,
      "start_date": "2015-09",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-05-25",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 5,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02546752"
    },
    {
      "nct_id": "NCT02067507",
      "title": "Increasing Human Papillomavirus Vaccine Uptake in Low-Income, Ethnic Minority Adolescents in Los Angeles County",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus Infection"
      ],
      "interventions": [
        {
          "name": "Tailored education and referral",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Staff training and patient reminders",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clinic-level reminder systems",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "9 Years to 70 Years"
      },
      "enrollment_count": 53414,
      "start_date": "2012-06",
      "completion_date": "2019-10",
      "has_results": false,
      "last_update_posted_date": "2019-10-25",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 2,
      "location_summary": "Alhambra, California • San Fernando, California",
      "locations": [
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "San Fernando",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02067507"
    },
    {
      "nct_id": "NCT04999267",
      "title": "Increasing Vaccine Uptake Among Adolescents in the Rural South",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "INVEST",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2,
      "start_date": "2021-08-31",
      "completion_date": "2022-11-03",
      "has_results": true,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Columbia, South Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04999267"
    },
    {
      "nct_id": "NCT06640868",
      "title": "Promotion of RSV Immunization Through Multiple Efforts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pregnancy",
        "Vaccination"
      ],
      "interventions": [
        {
          "name": "MyChart nurse message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMFM video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visual aid",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 50,
      "start_date": "2024-11-04",
      "completion_date": "2025-02-20",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06640868"
    },
    {
      "nct_id": "NCT05336240",
      "title": "PCOM2 - The Physician Communication Intervention, Version 2.0",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Infection",
        "Preventive Health Services"
      ],
      "interventions": [
        {
          "name": "Physician Communication 2 Virtual (PCOM2-virtual)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physician Communication Standard (PCOM-standard)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "9 Years to 17 Years"
      },
      "enrollment_count": 120,
      "start_date": "2023-11-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-26",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Wichita, Kansas",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05336240"
    },
    {
      "nct_id": "NCT05009251",
      "title": "Using Explainable AI Risk Predictions to Nudge Influenza Vaccine Uptake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Vaccination",
        "Health Promotion",
        "Health Behavior",
        "Risk Reduction"
      ],
      "interventions": [
        {
          "name": "Reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Risk reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medical records-based recommendation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Algorithm-based recommendation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Bureau of Economic Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45061,
      "start_date": "2021-09-09",
      "completion_date": "2022-07-31",
      "has_results": true,
      "last_update_posted_date": "2025-01-03",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05009251"
    },
    {
      "nct_id": "NCT05744960",
      "title": "Impact of Financial Incentives",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Communication training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "financial Incentive",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "9 Years to 12 Years"
      },
      "enrollment_count": 34,
      "start_date": "2023-02-28",
      "completion_date": "2026-08-29",
      "has_results": false,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05744960"
    },
    {
      "nct_id": "NCT04568590",
      "title": "Promoting Altruism to Enhance Vaccine Acceptance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Refusal"
      ],
      "interventions": [
        {
          "name": "educational intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 510,
      "start_date": "2020-10-19",
      "completion_date": "2021-10-26",
      "has_results": true,
      "last_update_posted_date": "2024-08-12",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04568590"
    },
    {
      "nct_id": "NCT05419232",
      "title": "COVID-19 Vaccine Uptake Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination Refusal",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Short Message Service (SMS) + Website Link Strategy",
          "type": "OTHER"
        },
        {
          "name": "Phone Call with Peer Strategy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 262,
      "start_date": "2022-07-15",
      "completion_date": "2024-05-31",
      "has_results": true,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 8,
      "location_summary": "Hazelwood, Missouri • Jennings, Missouri • Saint Ann, Missouri + 2 more",
      "locations": [
        {
          "city": "Hazelwood",
          "state": "Missouri"
        },
        {
          "city": "Jennings",
          "state": "Missouri"
        },
        {
          "city": "Saint Ann",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05419232"
    },
    {
      "nct_id": "NCT06128928",
      "title": "Connecting Friends and Health Workers to Boost COVID-19 Vaccination in Latino Communities",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Vaccine"
      ],
      "interventions": [
        {
          "name": "REDES",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 900,
      "start_date": "2023-07-08",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-05-22T07:02:44.870Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06128928"
    }
  ]
}