{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=COVID-19+Vaccines&page=11",
    "query": {
      "condition": "COVID-19 Vaccines",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 328,
    "total_pages": 33,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=COVID-19+Vaccines&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=COVID-19+Vaccines&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T14:05:18.381Z",
  "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": "NCT05973006",
      "title": "Phase 3 Adolescent Study for SARS-CoV-2 rS Variant Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "NVX-CoV2601 co-formulated Omicron XBB.1.5 SARS-CoV-2 rS vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prototype/XBB.1.5 Bivalent Vaccine (5 µg)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 400,
      "start_date": "2023-08-16",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-07-15",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 20,
      "location_summary": "Davie, Florida • Jacksonville, Florida • Miami, Florida + 17 more",
      "locations": [
        {
          "city": "Davie",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "River Forest",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05973006"
    },
    {
      "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": "2026-07-21",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "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": "NCT06038617",
      "title": "Safety of Simultaneous mRNA COVID-19 Vaccine With Other Childhood Vaccines in Young Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Fever After Vaccination",
        "Fever",
        "Seizures Fever"
      ],
      "interventions": [
        {
          "name": "mRNA COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Routine Childhood Vaccinations",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "4 Years",
        "sex": "ALL",
        "summary": "6 Months to 4 Years"
      },
      "enrollment_count": 347,
      "start_date": "2023-10-30",
      "completion_date": "2025-07-25",
      "has_results": true,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 5,
      "location_summary": "Oakland, California • Atlanta, Georgia • New York, New York + 2 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06038617"
    },
    {
      "nct_id": "NCT04923386",
      "title": "mRNA Based-Covid-19 Vaccine Effects on Blood Glucose Levels",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Diabetes Mellitus, Type 1",
        "Hyperglycemia",
        "Vaccine Adverse Reaction"
      ],
      "interventions": [
        {
          "name": "None (not interventional)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Levenson, David I., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2021-06-15",
      "completion_date": "2022-02-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-17",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 1,
      "location_summary": "Boca Raton, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04923386"
    },
    {
      "nct_id": "NCT05330975",
      "title": "A Study of mRNA-1345 Vaccine Targeting Respiratory Syncytial Virus (RSV) in Adults ≥50 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1345",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Afluria® Quadrivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1273.214",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 3317,
      "start_date": "2022-04-01",
      "completion_date": "2024-11-08",
      "has_results": true,
      "last_update_posted_date": "2025-12-30",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 62,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Garden Grove, California + 51 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05330975"
    },
    {
      "nct_id": "NCT05359250",
      "title": "Myocardial Injury and Dysfunction Associated With COVID-19 Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myocardial Injury",
        "COVID-19",
        "Vaccine Reaction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2021-05-12",
      "completion_date": "2024-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-04-04",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05359250"
    },
    {
      "nct_id": "NCT04895982",
      "title": "Study to Evaluate Safety, Tolerability & Immunogenicity of BNT162b2 in Immunocompromised Participants ≥2 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "SARS-CoV-2 Infection, COVID19"
      ],
      "interventions": [
        {
          "name": "BNT162b2",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BioNTech SE",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 124,
      "start_date": "2021-10-15",
      "completion_date": "2023-07-23",
      "has_results": true,
      "last_update_posted_date": "2024-10-09",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 15,
      "location_summary": "Jefferson, Louisiana • Kenner, Louisiana • New Orleans, Louisiana + 4 more",
      "locations": [
        {
          "city": "Jefferson",
          "state": "Louisiana"
        },
        {
          "city": "Jefferson",
          "state": "Louisiana"
        },
        {
          "city": "Kenner",
          "state": "Louisiana"
        },
        {
          "city": "Kenner",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04895982"
    },
    {
      "nct_id": "NCT04516746",
      "title": "Phase III Double-blind, Placebo-controlled Study of AZD1222 for the Prevention of COVID-19 in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19",
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "AZD1222",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 32450,
      "start_date": "2020-08-28",
      "completion_date": "2023-02-10",
      "has_results": true,
      "last_update_posted_date": "2024-02-05",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 78,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 66 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "El Centro",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04516746"
    },
    {
      "nct_id": "NCT07390968",
      "title": "Self-Amplifying mRNA COVID-19 Vaccine (LUNAR-COV19) Versus Comirnaty Vaccine in Adult Hematopoietic Cell Transplant Patients",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm"
      ],
      "interventions": [
        {
          "name": "SARS-CoV-2 mRNA Vaccine ARCT-021",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tozinameran",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2026-12-01",
      "completion_date": "2029-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07390968"
    },
    {
      "nct_id": "NCT05107479",
      "title": "Effectiveness of Interactive Voice Response for COVID-19 Vaccination Training in the Democratic Republic of the Congo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19 Vaccine Knowledge",
        "COVID-19 Vaccine Beliefs"
      ],
      "interventions": [
        {
          "name": "COVID-19 Vaccine IVR Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8959,
      "start_date": "2021-11-09",
      "completion_date": "2022-02-10",
      "has_results": false,
      "last_update_posted_date": "2022-02-21",
      "last_synced_at": "2026-10-11T14:05:18.381Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05107479"
    }
  ]
}