{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Unvaccinated+Control",
    "query": {
      "intervention": "Unvaccinated Control"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T09:57:32.374Z",
  "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": "NCT00569894",
      "title": "A Post Marking Study to Evaluate the Safety of FluMist in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "FLuMist",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TIV (Injection)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Unvaccinated Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Months",
        "maximum_age": "59 Months",
        "sex": "ALL",
        "summary": "24 Months to 59 Months"
      },
      "enrollment_count": 29296,
      "start_date": "2007-10",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-03-08",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00569894"
    },
    {
      "nct_id": "NCT04981392",
      "title": "Trusted Messengers: Intervention to Promote COVID-19 Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19",
        "Vaccination"
      ],
      "interventions": [
        {
          "name": "Primary care text message outreach to unvaccinated patients and resources to support PCPs",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21844,
      "start_date": "2022-06-02",
      "completion_date": "2023-10-25",
      "has_results": true,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04981392"
    },
    {
      "nct_id": "NCT06199934",
      "title": "Effectiveness of BNT162b2 Formulations Using State Vaccine Registry and Insurance Claims Data",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2",
        "COVID-19 Vaccines"
      ],
      "interventions": [
        {
          "name": "Vaccination",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 19853610,
      "start_date": "2023-09-11",
      "completion_date": "2024-07-31",
      "has_results": true,
      "last_update_posted_date": "2025-09-10",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06199934"
    },
    {
      "nct_id": "NCT05658198",
      "title": "Investigating HPV Vaccination Uptake in Adults Aged 18-35 Seeking Care at a Health Clinic in Rural Mississippi",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Papillomavirus Vaccination"
      ],
      "interventions": [
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Plan A Health, Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-09-01",
      "completion_date": "2024-09-01",
      "has_results": false,
      "last_update_posted_date": "2023-11-15",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 1,
      "location_summary": "Louise, Mississippi",
      "locations": [
        {
          "city": "Louise",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05658198"
    },
    {
      "nct_id": "NCT01556945",
      "title": "Safety and Preliminary Efficacy of the Malaria Vaccine Candidates Falciparum Merozoite Protein-1 (FMP1) and SmithKlineBeecham (SKBB) Candidate Malaria Vaccine RTS,S",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Malaria, Falciparum"
      ],
      "interventions": [
        {
          "name": "FMP1/AS02",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RTS,S/AS02",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AS02 adjuvant alone",
          "type": "OTHER"
        },
        {
          "name": "Malaria challenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 72,
      "start_date": "2001-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-05-02",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01556945"
    },
    {
      "nct_id": "NCT01922856",
      "title": "Challenge Study of an ETEC Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Enteritis; Escherichia Coli, Enterotoxigenic"
      ],
      "interventions": [
        {
          "name": "LTR192G with dscCfaE",
          "type": "BIOLOGICAL"
        },
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 56,
      "start_date": "2013-09-19",
      "completion_date": "2016-07-14",
      "has_results": false,
      "last_update_posted_date": "2017-07-06",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Silver Spring, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01922856"
    },
    {
      "nct_id": "NCT05229068",
      "title": "A Study of Safety, Reactogenicity and Immune Response of the Repeat Vaccination Against RSV When Given to Female Participants of 18-49 Years of Age During Their Subsequent Uncomplicated Pregnancy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSV MAT",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2022-03-11",
      "completion_date": "2024-10-24",
      "has_results": false,
      "last_update_posted_date": "2022-04-07",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 2,
      "location_summary": "Missoula, Montana • Norfolk, Nebraska",
      "locations": [
        {
          "city": "Missoula",
          "state": "Montana"
        },
        {
          "city": "Norfolk",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05229068"
    },
    {
      "nct_id": "NCT05182554",
      "title": "COVID-19 Messaging for Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination Refusal",
        "COVID-19 Pandemic"
      ],
      "interventions": [
        {
          "name": "Doctor Videos",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sharing Videos",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sharing Videos (Influencers)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaccine Ambassador",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video framing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video order",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2021-12-22",
      "completion_date": "2022-01-27",
      "has_results": true,
      "last_update_posted_date": "2023-08-25",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05182554"
    },
    {
      "nct_id": "NCT02864147",
      "title": "Treatment of High-Grade Pre-Neoplastic Cervical Lesions (CIN 2/3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Intraepithelial Neoplasia",
        "Cervical Dysplasia"
      ],
      "interventions": [
        {
          "name": "9-valent HPV vaccine",
          "type": "DRUG"
        },
        {
          "name": "Imiquimod",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "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": 134,
      "start_date": "2016-07",
      "completion_date": "2022-11-22",
      "has_results": true,
      "last_update_posted_date": "2024-05-02",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02864147"
    },
    {
      "nct_id": "NCT05386355",
      "title": "Improving Pediatric COVID-19 Vaccine Uptake Using an mHealth Tool",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19 Vaccines",
        "Telemedicine",
        "Vaccine Hesitancy",
        "Pediatric ALL"
      ],
      "interventions": [
        {
          "name": "COVID-19 Vaccine Uptake App",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General Health App",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "IDeA States Pediatric Clinical Trials Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1934,
      "start_date": "2022-07-18",
      "completion_date": "2023-09-25",
      "has_results": true,
      "last_update_posted_date": "2025-03-11",
      "last_synced_at": "2026-09-21T09:57:32.374Z",
      "location_count": 15,
      "location_summary": "Little Rock, Arkansas • Wilmington, Delaware • Honolulu, Hawaii + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05386355"
    }
  ]
}