{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Immunization+Registry+Training",
    "query": {
      "intervention": "Immunization Registry Training"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T23:08:18.818Z",
  "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": "NCT03796585",
      "title": "Assessing Barriers and Increasing Use of Immunization Registries in Pharmacies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunization"
      ],
      "interventions": [
        {
          "name": "Immunization Registry Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Informational flyer",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Auburn University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2019-01-10",
      "completion_date": "2019-09-15",
      "has_results": false,
      "last_update_posted_date": "2019-10-30",
      "last_synced_at": "2026-09-03T23:08:18.818Z",
      "location_count": 1,
      "location_summary": "Auburn, Alabama",
      "locations": [
        {
          "city": "Auburn",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03796585"
    },
    {
      "nct_id": "NCT05167422",
      "title": "Trusted Messenger Intervention",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "Trusted Messenger",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2021-09-14",
      "completion_date": "2023-07-14",
      "has_results": false,
      "last_update_posted_date": "2023-07-17",
      "last_synced_at": "2026-09-03T23:08:18.818Z",
      "location_count": 1,
      "location_summary": "Concord, New Hampshire",
      "locations": [
        {
          "city": "Concord",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05167422"
    },
    {
      "nct_id": "NCT02010372",
      "title": "Optimizing Application And Support Of Immunization Information Systems (OASIS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Increase in Use of Immunization Registry",
        "Increase in HPV Vaccination Rate"
      ],
      "interventions": [
        {
          "name": "Reminder Recall Report",
          "type": "OTHER"
        },
        {
          "name": "Audit-Feedback/Immunization Forecasting Reports",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 31,
      "start_date": "2013-12",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2016-02-25",
      "last_synced_at": "2026-09-03T23:08:18.818Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02010372"
    },
    {
      "nct_id": "NCT01296906",
      "title": "Population Versus Practice-based Interventions to Increase Immunizations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Services Research",
        "Comparative Effectiveness",
        "Immunization"
      ],
      "interventions": [
        {
          "name": "Recall conducted by private practices",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Recall conducted centrally by local health department",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Months and older"
      },
      "enrollment_count": 31567,
      "start_date": "2010-05",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-06-21",
      "last_synced_at": "2026-09-03T23:08:18.818Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01296906"
    },
    {
      "nct_id": "NCT01557621",
      "title": "Comparative Effectiveness Trial of Two Reminder/Recall Methods to Increase Immunization Rates in Young Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunization Rates"
      ],
      "interventions": [
        {
          "name": "Collaborative Pop-Based R/R: Phone/Mail Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Collaborative Pop-Based R/R: Mail-Only Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Practice-based Recall",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Months",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "19 Months to 5 Years"
      },
      "enrollment_count": 68000,
      "start_date": "2012-09",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2015-12-16",
      "last_synced_at": "2026-09-03T23:08:18.818Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Denver, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01557621"
    }
  ]
}