{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vaccine+Reminder%2FRecall",
    "query": {
      "intervention": "Vaccine Reminder/Recall"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vaccine+Reminder%2FRecall&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T17:26:33.879Z",
  "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": "NCT05677360",
      "title": "HPV Multilevel Intervention Strategies Targeting Immunization in Community Settings (HPV MISTICS)",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus (HPV) Vaccine"
      ],
      "interventions": [
        {
          "name": "HPV MISTICS -Provider Level",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HPV MISTICS - Parent Level",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HPV MISTICS- HPV Vaccine Champion Level",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 564,
      "start_date": "2023-01-09",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05677360"
    },
    {
      "nct_id": "NCT03246100",
      "title": "Centralized IIS-based Reminder/Recall to Increase Childhood Influenza Vaccination Rates_2nd Trial in Colorado",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Reminder Systems",
        "Influenza Vaccines"
      ],
      "interventions": [
        {
          "name": "Reminders",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 25531,
      "start_date": "2017-09-06",
      "completion_date": "2019-04-30",
      "has_results": false,
      "last_update_posted_date": "2019-06-24",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03246100"
    },
    {
      "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": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01565135"
    },
    {
      "nct_id": "NCT01732315",
      "title": "Adolescent Vaccination Reminder Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Vaccination Status"
      ],
      "interventions": [
        {
          "name": "Email Notification",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3783,
      "start_date": "2012-10",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-08-17",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01732315"
    },
    {
      "nct_id": "NCT02993965",
      "title": "State Immunization Information Systems to Improve HPV Vaccination Rates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine",
        "Human Papiloma Virus Vaccine",
        "HPV Vaccine",
        "Immunization",
        "Health Registry",
        "Adolescent Health",
        "Reproductive Health",
        "Preventive Health Services"
      ],
      "interventions": [
        {
          "name": "Vaccine Reminder/Recall",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 77716,
      "start_date": "2017-02-21",
      "completion_date": "2020-07-31",
      "has_results": false,
      "last_update_posted_date": "2020-08-20",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02993965"
    },
    {
      "nct_id": "NCT03294473",
      "title": "Centralized Reminder Recall - Flu RCT2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza, Human",
        "Orthomyxoviridae Infections",
        "RNA Virus Infections",
        "Virus Disease",
        "Respiratory Tract Infections",
        "Respiratory Tract Disease",
        "Vaccines",
        "Physiological Effects of Drugs"
      ],
      "interventions": [
        {
          "name": "R/R - Autodialers",
          "type": "BEHAVIORAL"
        },
        {
          "name": "R/R - Texting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "R/R - mailed postcard",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 70190,
      "start_date": "2017-10-18",
      "completion_date": "2018-05-04",
      "has_results": false,
      "last_update_posted_date": "2019-06-05",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03294473"
    },
    {
      "nct_id": "NCT01577979",
      "title": "Adolescent Vaccination in the Medical Home: Established and Innovative Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunization Rate"
      ],
      "interventions": [
        {
          "name": "Text Message Reminder/Recall",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parent Preference",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 34581,
      "start_date": "2012-08",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2015-02-26",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01577979"
    },
    {
      "nct_id": "NCT03033550",
      "title": "Integrating Primary & Secondary Interventions for Cervical Cancer Prevention in Primary Care Settings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "brief negotiated mobile application",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "9 Years to 17 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2017-05-08",
      "completion_date": "2018-06-08",
      "has_results": false,
      "last_update_posted_date": "2018-07-09",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03033550"
    },
    {
      "nct_id": "NCT04678271",
      "title": "Assessment, Feedback, Incentive, Exchange (AFIX OB) A Customizable Quality Improvement Intervention to Increase Maternal Vaccine Uptake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Whooping Cough"
      ],
      "interventions": [
        {
          "name": "AFIX-OB Quality Improvement Package",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 202,
      "start_date": "2021-07-01",
      "completion_date": "2023-01-31",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04678271"
    },
    {
      "nct_id": "NCT06062264",
      "title": "Patient Portal Flu Vaccine Reminders (RCT 6)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Portal-based Video Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal-based Infographic Message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 22233,
      "start_date": "2023-10-03",
      "completion_date": "2024-04-01",
      "has_results": true,
      "last_update_posted_date": "2025-04-20",
      "last_synced_at": "2026-09-16T17:26:33.879Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06062264"
    }
  ]
}