{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Investigational+COVID-19+Vaccine&page=2",
    "query": {
      "intervention": "Investigational COVID-19 Vaccine",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Investigational+COVID-19+Vaccine&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Investigational+COVID-19+Vaccine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T14:43:57.804Z",
  "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": "NCT04854980",
      "title": "Serologic Response to the SARS-CoV-2 (COVID-19) MRNA-1273 Vaccine in Select Subsets of Oncology Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 8,
      "start_date": "2021-08-03",
      "completion_date": "2024-07-23",
      "has_results": false,
      "last_update_posted_date": "2025-03-30",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04854980"
    },
    {
      "nct_id": "NCT06374394",
      "title": "A Study on the Immune Response and Safety of a Vaccine Against Respiratory Syncytial Virus (RSV) When Given Alone and Together With a COVID-19 mRNA Vaccine in Adults Aged 50 Years and Above",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSVPreF3 OA investigational vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "COVID-19 mRNA vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 841,
      "start_date": "2024-04-29",
      "completion_date": "2025-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-12-26",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 8,
      "location_summary": "Coral Gables, Florida • Savannah, Georgia • Evansville, Indiana + 5 more",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06374394"
    },
    {
      "nct_id": "NCT05132907",
      "title": "Safety and Immunogenicity of HDT-301 Targeting a SARS-CoV-2 Variant Spike Protein",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "SARS-CoV2 Infection"
      ],
      "interventions": [
        {
          "name": "HDT-301",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "HDT Bio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 48,
      "start_date": "2022-01-24",
      "completion_date": "2024-05-30",
      "has_results": false,
      "last_update_posted_date": "2024-10-23",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 1,
      "location_summary": "Renton, Washington",
      "locations": [
        {
          "city": "Renton",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05132907"
    },
    {
      "nct_id": "NCT04460703",
      "title": "COVID-19 Vaccine Messaging, Part 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Control message",
          "type": "OTHER"
        },
        {
          "name": "Baseline message",
          "type": "OTHER"
        },
        {
          "name": "Personal freedom message",
          "type": "OTHER"
        },
        {
          "name": "Economic freedom message",
          "type": "OTHER"
        },
        {
          "name": "Self-interest message",
          "type": "OTHER"
        },
        {
          "name": "Community interest message",
          "type": "OTHER"
        },
        {
          "name": "Economic benefit message",
          "type": "OTHER"
        },
        {
          "name": "Guilt message",
          "type": "OTHER"
        },
        {
          "name": "Embarrassment message",
          "type": "OTHER"
        },
        {
          "name": "Anger message",
          "type": "OTHER"
        },
        {
          "name": "Trust in science message",
          "type": "OTHER"
        },
        {
          "name": "Not bravery message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2020-07-03",
      "completion_date": "2020-07-08",
      "has_results": false,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04460703"
    },
    {
      "nct_id": "NCT04779138",
      "title": "Increasing Vaccine Uptake in Underresourced Public Housing Areas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronavirus",
        "Vaccine Refusal"
      ],
      "interventions": [
        {
          "name": "Increasing Willingness and Uptake of COVID-19 Vaccination",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Charles Drew University of Medicine and Science",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 462,
      "start_date": "2021-09-11",
      "completion_date": "2024-04-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04779138"
    },
    {
      "nct_id": "NCT04799392",
      "title": "NOWDx Test for the Detection of Antibodies to COVID-19 in Lay Persons",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "SARS-CoV-2",
        "Coronavirus"
      ],
      "interventions": [
        {
          "name": "NOWDx COVID-19 Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NOWDiagnostics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2021-04-01",
      "completion_date": "2021-10-28",
      "has_results": false,
      "last_update_posted_date": "2021-11-05",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 5,
      "location_summary": "Fayetteville, Arkansas • Anoka, Minnesota • Nixa, Missouri + 2 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Anoka",
          "state": "Minnesota"
        },
        {
          "city": "Nixa",
          "state": "Missouri"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04799392"
    },
    {
      "nct_id": "NCT06864143",
      "title": "A Study to Investigate the Immunogenicity, Reactogenicity, and Safety of mRNA-1083 (Influenza and COVID-19) Vaccine in Adults ≥18 to <65 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "mRNA-1083 Composition 1 Dose A Lot A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083 Composition 1 Dose A Lot B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083 Composition 1 Dose B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083 Composition 1 Dose C",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083 Composition 2 Dose A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083 Composition 2 Dose B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083 Composition 3 Dose A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083 Composition 3 Dose B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational COVID-19 Vaccine Lot A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational COVID-19 Vaccine Lot B",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 1320,
      "start_date": "2025-03-07",
      "completion_date": "2025-10-13",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 17,
      "location_summary": "Scottsdale, Arizona • San Diego, California • Stockbridge, Georgia + 13 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "Melrose Park",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06864143"
    },
    {
      "nct_id": "NCT06680375",
      "title": "A Study of an Investigational Flu Seasonal/SARS-CoV-2 Combination Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Flu Seasonal /SARS-CoV-2 mRNA Dose 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Flu Seasonal /SARS-CoV-2 mRNA Dose 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Flu Seasonal mRNA",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "SARS-CoV-2 mRNA Dose 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "SARS-CoV-2 mRNA Dose 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed Flu Seasonal",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed COVID-19 mRNA",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 106,
      "start_date": "2024-11-11",
      "completion_date": "2025-06-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 9,
      "location_summary": "Anniston, Alabama • Rolling Hills Estates, California • Hialeah, Florida + 5 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06680375"
    },
    {
      "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": "2026-10-09T14:43:57.804Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05085613"
    },
    {
      "nct_id": "NCT06821061",
      "title": "A Study to Learn About How the Flu and COVID-19 Vaccines Act in Healthy People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "COVID-19 (Coronavirus Disease 2019)"
      ],
      "interventions": [
        {
          "name": "Investigational Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Influenza and COVID-19 Combination Vaccine",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed Influenza Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed Influenza Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed Influenza Vaccine 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "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": 2650,
      "start_date": "2025-02-10",
      "completion_date": "2025-12-17",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-10-09T14:43:57.804Z",
      "location_count": 31,
      "location_summary": "Anaheim, California • Lake Forest, California • Riverside, California + 26 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Lake Forest",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06821061"
    }
  ]
}