{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=COVID-19+mRNA+vaccine",
    "query": {
      "intervention": "COVID-19 mRNA vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 147,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=COVID-19+mRNA+vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T15:05:41.150Z",
  "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": "NCT05260437",
      "title": "Safety, Reactogenicity, and Immunogenicity Trial of CV2CoV mRNA Vaccine Against SARS-CoV-2 in Seropositive Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19",
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "CV2CoV (2 µg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV2CoV (4 µg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV2CoV (8 µg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV2CoV (12 µg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV2CoV (16 µg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV2CoV (20 µg)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2022-03-24",
      "completion_date": "2023-03-07",
      "has_results": true,
      "last_update_posted_date": "2024-08-12",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 24,
      "location_summary": "Aurora, Colorado • Hallandale, Florida • Lakeland, Florida + 11 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Hallandale",
          "state": "Florida"
        },
        {
          "city": "Hallandale",
          "state": "Florida"
        },
        {
          "city": "Lakeland",
          "state": "Florida"
        },
        {
          "city": "Lakeland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05260437"
    },
    {
      "nct_id": "NCT05886777",
      "title": "A Study to Learn About Two or More Vaccines That Are Put Together as One Shot Against Infectious Lung Illnesses, Including COVID-19 and Respiratory Syncytial Virus (RSV).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Combination [RSVpreF+BNTb162b2]",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bivalent BNT162b2 (original/Omi BA.4/BA.5)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSVpreF",
          "type": "BIOLOGICAL"
        },
        {
          "name": "QIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal Saline Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1142,
      "start_date": "2023-06-05",
      "completion_date": "2024-01-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 37,
      "location_summary": "Dublin, California • Huntington Beach, California • Lake Forest, California + 26 more",
      "locations": [
        {
          "city": "Dublin",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Lake Forest",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886777"
    },
    {
      "nct_id": "NCT05197621",
      "title": "The Impact of COVID-19 on Maternal and Neonatal Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Pregnancy; Infection"
      ],
      "interventions": [
        {
          "name": "mRNA COVID-19 vaccine (Pfizer or Moderna)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 55 Years · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2020-04-13",
      "completion_date": "2028-05-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05197621"
    },
    {
      "nct_id": "NCT05047640",
      "title": "COVID-19 3rd Dose Vaccine in Transplant Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "BNT162b2 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "JNJ-78436735 Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Giselle Guerra",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2021-09-14",
      "completion_date": "2022-10-25",
      "has_results": true,
      "last_update_posted_date": "2024-06-04",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05047640"
    },
    {
      "nct_id": "NCT06020118",
      "title": "Comparative Immunogenicity of Concomitant vs Sequential mRNA COVID-19 and Influenza Vaccinations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Simultaneous Vaccination (Influenza Vaccine and mRNA COVID booster)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sequential Vaccination (Influenza vaccine then mRNA COVID booster)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sequential Vaccination (mRNA COVID booster then Influenza vaccine)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "6 Years to 64 Years"
      },
      "enrollment_count": 455,
      "start_date": "2023-09-25",
      "completion_date": "2024-05-17",
      "has_results": true,
      "last_update_posted_date": "2025-06-13",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Tempe, Arizona • Atlanta, Georgia + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06020118"
    },
    {
      "nct_id": "NCT04813796",
      "title": "A Study to Evaluate Safety, Reactogenicity, and Immunogenicity of mRNA-1283 and mRNA-1273 Vaccines in Healthy Adults Between 18 Years and 55 Years of Age to Prevent COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "mRNA-1283",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1273",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 104,
      "start_date": "2021-03-11",
      "completion_date": "2023-07-25",
      "has_results": false,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 5,
      "location_summary": "Chandler, Arizona • San Diego, California • Melbourne, Florida + 2 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04813796"
    },
    {
      "nct_id": "NCT04847050",
      "title": "A Trial of the Safety and Immunogenicity of the COVID-19 Vaccine (mRNA-1273) in Participants With Hematologic Malignancies and Various Regimens of Immunosuppression, and in Participants With Solid Tumors on PD1/PDL1 Inhibitor Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Solid Tumor Malignancy",
        "Hematologic Malignancy",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Messenger ribonucleic acid (mRNA)-1273 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Messenger ribonucleic acid (mRNA)-1273 Vaccine Booster",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ECG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Antibiotics",
          "type": "OTHER"
        },
        {
          "name": "Anti-viral agents",
          "type": "OTHER"
        },
        {
          "name": "Anti-fungal agent",
          "type": "OTHER"
        },
        {
          "name": "Anti-emetics",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2021-04-28",
      "completion_date": "2023-05-25",
      "has_results": true,
      "last_update_posted_date": "2024-08-27",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04847050"
    },
    {
      "nct_id": "NCT06441968",
      "title": "Safety and Immunogenicity Trial of MPV/S-2P SARS-CoV-2 Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "MPV/S-2P",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-07-01",
      "completion_date": "2025-11-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 3,
      "location_summary": "Decatur, Georgia • Mineola, New York • Houston, Texas",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Mineola",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06441968"
    },
    {
      "nct_id": "NCT05972993",
      "title": "A Safety and Immune Response Study to Evaluate Varying Doses of an mRNA Vaccine Against Coronavirus Disease 2019 (COVID-19) in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "mRNA-CR-04 vaccine 10μg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-CR-04 vaccine 30μg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-CR-04 vaccine 100μg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "mRNA-CR-04 vaccine 3μg",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 114,
      "start_date": "2023-08-07",
      "completion_date": "2024-10-14",
      "has_results": true,
      "last_update_posted_date": "2025-05-28",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Melbourne, Florida • Peoria, Illinois + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05972993"
    },
    {
      "nct_id": "NCT05329220",
      "title": "ABNCoV2 Vaccine in Adult Subjects Previously Vaccinated for SARS-CoV-2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19 Disease"
      ],
      "interventions": [
        {
          "name": "ABNCoV2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Comirnaty",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bavarian Nordic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4205,
      "start_date": "2022-08-30",
      "completion_date": "2023-10-05",
      "has_results": true,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-10-05T15:05:41.150Z",
      "location_count": 44,
      "location_summary": "Birmingham, Alabama • Mesa, Arizona • Tucson, Arizona + 37 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05329220"
    }
  ]
}