{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Covid-19+Vaccine&page=8",
    "query": {
      "condition": "Covid-19 Vaccine",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 329,
    "total_pages": 33,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Covid-19+Vaccine&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Covid-19+Vaccine&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T16:41:44.654Z",
  "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": "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": "2026-10-13T16:41:44.654Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05313087"
    },
    {
      "nct_id": "NCT05827926",
      "title": "A Study of mRNA-based Influenza and SARS-CoV-2 (COVID-19) Multi-component Vaccines in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "SARS-CoV-2",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083.1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083.2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083.3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Influenza Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational COVID-19 Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "COVID-19 Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Influenza Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational COVID-19 Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "COVID-19 Vaccine 2",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 1758,
      "start_date": "2023-04-14",
      "completion_date": "2024-12-03",
      "has_results": true,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 69,
      "location_summary": "Chandler, Arizona • Colton, California • Huntington Beach, California + 59 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Colton",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Modesto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05827926"
    },
    {
      "nct_id": "NCT05876377",
      "title": "Use and Effectiveness of COVID-19 Vaccines Using State Vaccine Registries and Insurance Claims Data",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2",
        "COVID-19",
        "Post-Acute COVID-19 Syndrome"
      ],
      "interventions": [
        {
          "name": "Pfizer-BioNTech COVID-19 mRNA vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 1,
      "start_date": "2023-10-23",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05876377"
    },
    {
      "nct_id": "NCT04834869",
      "title": "COVID-19 Vaccines Safety Tracking (CoVaST)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adverse Reaction to Vaccine",
        "COVID19 Vaccine"
      ],
      "interventions": [
        {
          "name": "BNT162b2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1273",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AZD1222",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CoronaVac",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sinopharm",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Gam-COVID-Vac",
          "type": "BIOLOGICAL"
        },
        {
          "name": "JNJ-78436735",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CVnCoV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NVX-CoV2373",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BBV152",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Masaryk University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30000,
      "start_date": "2021-04-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-06",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04834869"
    },
    {
      "nct_id": "NCT06062056",
      "title": "Motivational Interviewing for Vaccine Uptake in Latinx Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "EHR alert",
          "type": "OTHER"
        },
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warm hand off to nurse",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Boston College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3698,
      "start_date": "2023-10-02",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06062056"
    },
    {
      "nct_id": "NCT05477186",
      "title": "Safety and Immunogenicity Study of a Booster Dose of the Investigational CV0501 mRNA COVID-19 Vaccine in Adults at Least 18 Years Old",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19",
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "CV0501 (3 μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0501 (6 μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0501 (12 μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0501 (25 μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0501 (50 μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0501 (100 μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0501 (200 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": 185,
      "start_date": "2022-08-12",
      "completion_date": "2023-08-18",
      "has_results": true,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 11,
      "location_summary": "Sacramento, California • Hollywood, Florida • Melbourne, Florida + 8 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05477186"
    },
    {
      "nct_id": "NCT05014555",
      "title": "Sustained Humoral and Cell-Mediated Immunogenicity of COVID-19 Vaccines in Patients With Inflammatory Bowel Disease",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Diseases"
      ],
      "interventions": [
        {
          "name": "COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GI Alliance",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 400,
      "start_date": "2023-07-05",
      "completion_date": "2024-01",
      "has_results": false,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 4,
      "location_summary": "Jacksonville, Florida • Baton Rouge, Louisiana • Southlake, Texas + 1 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Southlake",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05014555"
    },
    {
      "nct_id": "NCT04694664",
      "title": "COVID-19 Vaccine Confidence Among Pregnant Women and Mothers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy Related",
        "Mothers"
      ],
      "interventions": [
        {
          "name": "This is an online survey with no intervention.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pregistry",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 18000,
      "start_date": "2020-10-01",
      "completion_date": "2020-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04694664"
    },
    {
      "nct_id": "NCT04811664",
      "title": "A Study of SARS CoV-2 Infection and Potential Transmission in Individuals Immunized With Moderna COVID-19 Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "SARS-CoV-2 Infection"
      ],
      "interventions": [
        {
          "name": "Moderna COVID-19 Vaccine",
          "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": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 1923,
      "start_date": "2021-03-24",
      "completion_date": "2021-12-30",
      "has_results": true,
      "last_update_posted_date": "2023-08-02",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 51,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Tempe, Arizona + 45 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04811664"
    },
    {
      "nct_id": "NCT06409663",
      "title": "A Strain Change Study for SARS-CoV-2 rS Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Severe Acute Respiratory Syndrome Coronavirus 2 Infection"
      ],
      "interventions": [
        {
          "name": "NVX-CoV2705 Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-10-14",
      "completion_date": "2025-04-17",
      "has_results": false,
      "last_update_posted_date": "2025-07-18",
      "last_synced_at": "2026-10-13T16:41:44.654Z",
      "location_count": 2,
      "location_summary": "Phoenix, Arizona • Austin, Texas",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06409663"
    }
  ]
}