{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=COVID-19%3B+Immunity",
    "query": {
      "condition": "COVID-19; Immunity"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 76,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=COVID-19%3B+Immunity&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-14T19:22:44.673Z",
  "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": "NCT04562285",
      "title": "Sustained Immunity to COVID-19 as Measured by SARS-CoV-2 Serology Assays",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Serologic immunoassays to SARS-CoV-2 antibodies",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 829,
      "start_date": "2020-06-23",
      "completion_date": "2024-06-07",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04562285"
    },
    {
      "nct_id": "NCT04847349",
      "title": "Live Microbials to Boost Anti-Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) Immunity Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "OL-1, standard dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "OL-1, high dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 54,
      "start_date": "2021-04-13",
      "completion_date": "2022-01-31",
      "has_results": false,
      "last_update_posted_date": "2022-02-01",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04847349"
    },
    {
      "nct_id": "NCT04852276",
      "title": "COVID-19 Vaccination and Outcomes in Individuals With and Without Immune Deficiencies and Dysregulations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immunodeficiencies",
        "Immune Dysregulations"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 308,
      "start_date": "2021-04-20",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04852276"
    },
    {
      "nct_id": "NCT04582903",
      "title": "Send-In Sample Collection for Comprehensive Analyses of Innate and Adaptive Immune Responses During Acute COVID-19 and Convalescence",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "1 Day to 99 Years"
      },
      "enrollment_count": 5000,
      "start_date": "2020-10-13",
      "completion_date": "2031-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04582903"
    },
    {
      "nct_id": "NCT04936997",
      "title": "Immune Response to the COVID-19 Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Covid19",
        "Cancer",
        "Malignancy",
        "Vaccine Response Impaired"
      ],
      "interventions": [
        {
          "name": "SARS-COV2 Pfizer Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-06-07",
      "completion_date": "2022-05-08",
      "has_results": false,
      "last_update_posted_date": "2022-05-20",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04936997"
    },
    {
      "nct_id": "NCT05960097",
      "title": "A Study on the Safety and Immune Response of Investigational COVID-19 mRNA Vaccines in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "SARS-CoV-2",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "CV0701 mRNA COVID-19 Vaccine (Low dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0701 mRNA COVID-19 Vaccine (Medium dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0701 mRNA COVID-19 Vaccine (High dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0601 mRNA COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CV0801 mRNA COVID-19 Vaccine",
          "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": 692,
      "start_date": "2023-08-01",
      "completion_date": "2024-08-30",
      "has_results": true,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 3,
      "location_summary": "Sacramento, California • Hollywood, Florida • Peoria, Illinois",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05960097"
    },
    {
      "nct_id": "NCT04758962",
      "title": "A Study of the Safety of and Immune Response to Varying Doses of a Vaccine Against COVID-19 in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "1 µg CoV2 SAM (LNP)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-02-15",
      "completion_date": "2022-04-19",
      "has_results": true,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04758962"
    },
    {
      "nct_id": "NCT05046561",
      "title": "Study to Reinforce Immunity (STRI) Phase 2 Clinical Trial",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "STRI Formula",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eyecheck, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 598,
      "start_date": "2021-11-04",
      "completion_date": "2023-08",
      "has_results": false,
      "last_update_posted_date": "2022-09-09",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 13,
      "location_summary": "Coral Gables, Florida • Doral, Florida • Medley, Florida + 4 more",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Medley",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05046561"
    },
    {
      "nct_id": "NCT04424004",
      "title": "MURDOCK Cabarrus County COVID-19 Prevalence and Immunity (C3PI) Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID 19"
      ],
      "interventions": [
        {
          "name": "COVID-19 PCR and serology testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2020-06-09",
      "completion_date": "2021-12-02",
      "has_results": false,
      "last_update_posted_date": "2022-02-04",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04424004"
    },
    {
      "nct_id": "NCT04790240",
      "title": "Medical Herbs Inhibit Inflammation Directing T Cells to Kill the COVID-19 Virus (COVID)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Covid19 Virus Infection"
      ],
      "interventions": [
        {
          "name": "Inflammation (I)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Inflammation (II)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Inflammation (III)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Standard of care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "All Natural Medicine Clinic, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 100,
      "start_date": "2025-01-01",
      "completion_date": "2027-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-02-19",
      "last_synced_at": "2026-09-14T19:22:44.673Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04790240"
    }
  ]
}