{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=COVID-19+vaccine&page=17",
    "query": {
      "intervention": "COVID-19 vaccine",
      "page": 17
    },
    "page_size": 10
  },
  "pagination": {
    "page": 17,
    "page_size": 10,
    "total_count": 405,
    "total_pages": 41,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=COVID-19+vaccine&page=18&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=COVID-19+vaccine&page=16&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T23:50:09.213Z",
  "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": "NCT05096260",
      "title": "Getting to Yes, Michigan! (G2YMI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19 Vaccines",
        "COVID-19 Pandemic"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing based SMS/MMS and web content",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1180,
      "start_date": "2022-07-05",
      "completion_date": "2025-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05096260"
    },
    {
      "nct_id": "NCT06585241",
      "title": "A Study to Investigate the Immunogenicity and Safety of mRNA COVID-19 Variant-containing Vaccine Formulations",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "mRNA-1273 Variant-containing Formulation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 1144,
      "start_date": "2024-09-09",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 6,
      "location_summary": "Atlanta, Georgia • Decatur, Georgia • Baton Rouge, Louisiana + 3 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Gulfport",
          "state": "Mississippi"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06585241"
    },
    {
      "nct_id": "NCT04848584",
      "title": "Pfizer-BioNTech COVID-19 Vaccine Effectiveness Study - Kaiser Permanente Southern California",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Primary Exposure Status of Pfizer-BioNTech COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BNT162b2 BA.4/5 bivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "XBB.1.5-adapted vaccinated",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2021-05-15",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 1,
      "location_summary": "Pasadena, California",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04848584"
    },
    {
      "nct_id": "NCT05367843",
      "title": "A Study Assessing the Safety, Tolerability, Immunogenicity of COVID-19 Vaccine Candidate PRIME-2-CoV_Beta, Orf Virus Expressing SARS-CoV_2 Spike and Nucleocapsid Proteins",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "SARS-CoV-2 Infection"
      ],
      "interventions": [
        {
          "name": "PRIME-2-CoV_Beta",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Speransa Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 103,
      "start_date": "2022-06-20",
      "completion_date": "2023-11-08",
      "has_results": false,
      "last_update_posted_date": "2024-02-09",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 5,
      "location_summary": "Florida City, Florida • Chicago, Illinois • Kansas City, Missouri + 2 more",
      "locations": [
        {
          "city": "Florida City",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Fayetteville",
          "state": "North Carolina"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05367843"
    },
    {
      "nct_id": "NCT04823988",
      "title": "Emotional, Social, Cognitive and Behavioral Sequalae of the COVID-19 Pandemic",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 2086,
      "start_date": "2021-04-13",
      "completion_date": "2023-04-26",
      "has_results": false,
      "last_update_posted_date": "2025-05-31",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04823988"
    },
    {
      "nct_id": "NCT05020145",
      "title": "COVID-19 Vaccination and Breakthrough Infections Among Persons With Immunocompromising Conditions in the United States",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immunocompromised",
        "Immunosuppressed",
        "Covid-19",
        "SARS-COV-2",
        "SARS-COV-2 Infection",
        "Breakthrough Infection"
      ],
      "interventions": [
        {
          "name": "BNT162b2 (Tozinameran)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1277747,
      "start_date": "2021-08-25",
      "completion_date": "2021-12-17",
      "has_results": true,
      "last_update_posted_date": "2024-02-12",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05020145"
    },
    {
      "nct_id": "NCT04765839",
      "title": "Community-Engaged Bidirectional Pandemic Crisis and Emergency Risk Communication With COVID-19 Vaccine Messages to Minority Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Preventable Disease"
      ],
      "interventions": [
        {
          "name": "Educational, culturally appropriate COVID-19 messages",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "101 Years",
        "sex": "ALL",
        "summary": "18 Years to 101 Years"
      },
      "enrollment_count": 74,
      "start_date": "2021-02-12",
      "completion_date": "2021-04-03",
      "has_results": false,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04765839"
    },
    {
      "nct_id": "NCT04801030",
      "title": "COVID-19 Vaccine Hesitancy Among African Americans",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19",
        "Vaccine Refusal",
        "Communication"
      ],
      "interventions": [
        {
          "name": "YourCoViDVaxFacts",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Meharry Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2021-05-20",
      "completion_date": "2022-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-04-18",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04801030"
    },
    {
      "nct_id": "NCT05313087",
      "title": "COVID-19 Vaccine Response in Chronic Respiratory Conditions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV Infection"
      ],
      "interventions": [
        {
          "name": "COVID-19 vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2021-02-03",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05313087"
    },
    {
      "nct_id": "NCT06505993",
      "title": "Addressing COVID-19 Vaccine Hesitancy With Muliti-Level Interventions in Appalachia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "Health Communication",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Communication + Structural",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Marc Kiviniemi",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2026-09",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-15T23:50:09.213Z",
      "location_count": 1,
      "location_summary": "Hazard, Kentucky",
      "locations": [
        {
          "city": "Hazard",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06505993"
    }
  ]
}