{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=mRNA-1273&page=2",
    "query": {
      "intervention": "mRNA-1273",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=mRNA-1273&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T13:28:11.383Z",
  "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": "NCT04952402",
      "title": "SARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Covid19",
        "SARS-CoV2 Infection"
      ],
      "interventions": [
        {
          "name": "Study-provided Moderna mRNA-1273 COVID-19 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Community-provided Moderna mRNA-1273 COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Community-Provided Pfizer-BioNTech BNT162b2 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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2021-07-09",
      "completion_date": "2023-01-10",
      "has_results": true,
      "last_update_posted_date": "2023-05-24",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • San Diego, California • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04952402"
    },
    {
      "nct_id": "NCT04958304",
      "title": "Moderna COVID-19 Vaccine mRNA-1273 Observational Pregnancy Outcome Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2021-09-01",
      "completion_date": "2023-09-22",
      "has_results": false,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04958304"
    },
    {
      "nct_id": "NCT05366322",
      "title": "A Study to Compare mRNA-1273 Versus BNT162b2 COVID-19 Vaccines Among Immunocompromised Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 124879,
      "start_date": "2021-09-10",
      "completion_date": "2022-03-21",
      "has_results": false,
      "last_update_posted_date": "2022-05-09",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05366322"
    },
    {
      "nct_id": "NCT04958954",
      "title": "Post-Marketing Safety Study of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) mRNA-1273 COVID-19 Vaccine in the United States",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 50000000,
      "start_date": "2021-07-07",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-07-17",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04958954"
    },
    {
      "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": "2026-09-24T13:28:11.383Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05007860"
    },
    {
      "nct_id": "NCT05054218",
      "title": "COVID-19 Immunogenicity of a Third Dose of mRNA-1273 Vaccine Among Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19",
        "SARS-CoV2 Infection"
      ],
      "interventions": [
        {
          "name": "mRNA-1273",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 336,
      "start_date": "2021-09-10",
      "completion_date": "2022-08-29",
      "has_results": false,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05054218"
    },
    {
      "nct_id": "NCT05137236",
      "title": "A Study to Evaluate the Immunogenicity and Safety of mRNA-1283 COVID-19 Vaccine Boosters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "mRNA-1283",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1283.211",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1273",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1283.529",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 540,
      "start_date": "2021-12-06",
      "completion_date": "2023-03-23",
      "has_results": true,
      "last_update_posted_date": "2025-07-17",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 17,
      "location_summary": "Phoenix, Arizona • Hollywood, Florida • Sunrise, Florida + 13 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Sunrise",
          "state": "Florida"
        },
        {
          "city": "Chamblee",
          "state": "Georgia"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05137236"
    },
    {
      "nct_id": "NCT05028361",
      "title": "Simultaneous mRNA COVID-19 and IIV4 Vaccination Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Quality of Life",
        "Injection Site Reaction",
        "Adverse Drug Event",
        "Systemic Reaction"
      ],
      "interventions": [
        {
          "name": "mRNA COVID-19",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IIV4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (saline)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 348,
      "start_date": "2021-10-04",
      "completion_date": "2023-06-15",
      "has_results": true,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Durham, North Carolina • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05028361"
    },
    {
      "nct_id": "NCT04832932",
      "title": "The COVID-19 Back-to-Normal Study: Analysis of Multiple Outcomes",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Vaccines"
      ],
      "interventions": [
        {
          "name": "COVID-19 vaccines",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Mebo Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2021-01-05",
      "completion_date": "2025-01-05",
      "has_results": false,
      "last_update_posted_date": "2024-01-26",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Vonore, Tennessee",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Vonore",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04832932"
    },
    {
      "nct_id": "NCT07266558",
      "title": "A Study to Evaluate the Efficacy and Safety of mRNA-1283 and mRNA-1273 in Participants 50 to 64 Years of Age Without High-Risk Conditions for Severe Coronavirus Disease 2019 (COVID-19)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "mRNA-1273",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1283",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "50 Years to 64 Years"
      },
      "enrollment_count": 30000,
      "start_date": "2025-11-26",
      "completion_date": "2027-06-16",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-09-24T13:28:11.383Z",
      "location_count": 150,
      "location_summary": "Birmingham, Alabama • Cullman, Alabama • Mobile, Alabama + 127 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07266558"
    }
  ]
}