{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=COVID-19+Vaccine+1&page=2",
    "query": {
      "intervention": "COVID-19 Vaccine 1",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 222,
    "total_pages": 23,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=COVID-19+Vaccine+1&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=COVID-19+Vaccine+1&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T03:15:34.825Z",
  "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": "NCT05077254",
      "title": "COVID Protection After Transplant-Immunosuppression Reduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Transplant Recipients",
        "Liver Transplant Recipients"
      ],
      "interventions": [
        {
          "name": "Pfizer-BioNTech COVID-19 Vaccine 2023-2024",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Moderna COVID-19 Vaccine 2023-2024",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SOC IS Regimen",
          "type": "DRUG"
        },
        {
          "name": "SOC IS Reduction",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2021-12-06",
      "completion_date": "2025-02-21",
      "has_results": true,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 15,
      "location_summary": "San Diego, California • San Francisco, California • Atlanta, Georgia + 10 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05077254"
    },
    {
      "nct_id": "NCT05007860",
      "title": "Vaccine Responsiveness in Patients With Chronic Lymphocytic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "PCV13 vaccine and any of the FDA-approved COVID-19 vaccine products (BNT162b2, mRNA-1273, or Ad26.COV2.S) based on local availability.",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2020-07-16",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-07-07",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05007860"
    },
    {
      "nct_id": "NCT01808820",
      "title": "Dendritic Cell (DC) Vaccine for Malignant Glioma and Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malignant Glioma",
        "Glioblastoma Multiforme",
        "Anaplastic Astrocytoma",
        "High Grade Glioma"
      ],
      "interventions": [
        {
          "name": "Dendritic Cell Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tumor Lysate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Imiquimod",
          "type": "DRUG"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Macarena De La Fuente, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "13 Years to 99 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-08-21",
      "completion_date": "2022-07-16",
      "has_results": false,
      "last_update_posted_date": "2022-07-20",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808820"
    },
    {
      "nct_id": "NCT05085613",
      "title": "Does Framing and Humor Improve the Effectiveness of Messages About COVID-19 Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Beliefs"
      ],
      "interventions": [
        {
          "name": "Corrective message framing and humor",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "21 Years to 99 Years"
      },
      "enrollment_count": 100,
      "start_date": "2021-10-31",
      "completion_date": "2022-03-31",
      "has_results": true,
      "last_update_posted_date": "2023-08-21",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05085613"
    },
    {
      "nct_id": "NCT07567274",
      "title": "DMSO Dual-Route Therapy for Refractory Tinnitus in Long-COVID and Post-COVID-19 Vaccine Injury",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tinnitus"
      ],
      "interventions": [
        {
          "name": "DMSO-based otic solution with betahistine, dexamethasone, and lidocaine",
          "type": "DRUG"
        },
        {
          "name": "DMSO-based transdermal cream with levocarnitine and N-acetylcysteine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Leading Edge Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-05-15",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 1,
      "location_summary": "Ithaca, New York",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07567274"
    },
    {
      "nct_id": "NCT06703190",
      "title": "Estimated Vaccine Effectiveness and Durability of Pfizer/BioNTech 2024-2025 COVID-19 Vaccine",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Pfizer-BioNTech BNT162b2 COVID-19 Vaccinated",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Not vaccinated with 2024-2025 formulated COVID-19 vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2024-11-25",
      "completion_date": "2025-06-06",
      "has_results": false,
      "last_update_posted_date": "2025-11-06",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06703190"
    },
    {
      "nct_id": "NCT04679909",
      "title": "Safety and Immunogenicity of AdCOVID in Healthy Adults (COVID-19 Vaccine Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "AdCOVID",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Altimmune, 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": 92,
      "start_date": "2021-02-25",
      "completion_date": "2022-12-21",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 6,
      "location_summary": "Hialeah, Florida • Melbourne, Florida • Peoria, Illinois + 3 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04679909"
    },
    {
      "nct_id": "NCT05004181",
      "title": "Safety and Immunogenicity of RNA-based Vaccines Against SARS-CoV-2 Variants in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "SARS-CoV-2 Infection",
        "COVID-19",
        "SARS-CoV-2 Acute Respiratory Disease",
        "SARS (Disease)"
      ],
      "interventions": [
        {
          "name": "BNT162b2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Multivalent BNT162b2 (B.1.1.7 + B.1.617.2)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Monovalent BNT162b2 (B.1.1.7)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Monovalent BNT162b2 (B.1.617.2)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Monovalent BNT162b2 (B.1.1.529.1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "BioNTech SE",
      "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": 1380,
      "start_date": "2021-08-25",
      "completion_date": "2023-10-04",
      "has_results": true,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 14,
      "location_summary": "Long Beach, California • San Diego, California • Milford, Connecticut + 10 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05004181"
    },
    {
      "nct_id": "NCT06695130",
      "title": "Study of a Combination Vaccine Comprised of Different Recombinant Spike Antigen Levels of a Matrix-M Adjuvanted Recombinant COVID-19 Vaccine and Recombinant Influenza Vaccine in Adult Participants 50 Years of Age and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "COVID-19 Immunization",
        "Influenza Immunization"
      ],
      "interventions": [
        {
          "name": "RIV (recombinant influenza vaccine)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rC19 (dose 1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RIV + rC19 (dose 1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RIV + rC19 (dose 2)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RIV + rC19 (dose 3)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RIV + rC19 (dose 4)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (0.9% NaCl)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 980,
      "start_date": "2024-11-18",
      "completion_date": "2026-04-03",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Cerritos, California • Vista, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Vista",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06695130"
    },
    {
      "nct_id": "NCT05541861",
      "title": "Safety and Effects of an Investigational COVID-19 Vaccine as Booster in Healthy People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "SARS-CoV-2 Infection",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "BNT162b2 Bivalent (original/Omicron BA.4/BA.5) 30 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BNT162b4 5 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BNT162b4 10 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BNT162b4 15 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BNT162b4 30 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BNT162b2 Monovalent (OMI XBB.1.5) 30 mcg",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BioNTech SE",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 383,
      "start_date": "2022-11-08",
      "completion_date": "2024-11-22",
      "has_results": true,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-10-07T03:15:34.825Z",
      "location_count": 17,
      "location_summary": "Tempe, Arizona • Newport Beach, California • San Diego, California + 13 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05541861"
    }
  ]
}