{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=SARS-CoV-2+Negative&page=2",
    "query": {
      "intervention": "SARS-CoV-2 Negative",
      "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=SARS-CoV-2+Negative&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T06:07:32.698Z",
  "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": "NCT04628039",
      "title": "Chronic Lung Disease and COVID-19: Understanding Severity, Recovery and Rehabilitation Needs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Chronic Lung Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 622,
      "start_date": "2021-05-27",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Seattle, Washington",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04628039"
    },
    {
      "nct_id": "NCT04720235",
      "title": "A Follow On Community Testing Study To Evaluate The Performance of the Lucira COVID-19 All-In-One Test Kit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19",
        "Corona Virus Infection"
      ],
      "interventions": [
        {
          "name": "Lucira COVID-19 All-In-One test kit",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Lucira Health Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "14 Years to 75 Years"
      },
      "enrollment_count": 304,
      "start_date": "2020-12-09",
      "completion_date": "2021-03-30",
      "has_results": false,
      "last_update_posted_date": "2021-04-12",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 1,
      "location_summary": "Los Gatos, California",
      "locations": [
        {
          "city": "Los Gatos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04720235"
    },
    {
      "nct_id": "NCT04421404",
      "title": "Effects of COVID-19 Convalescent Plasma (CCP) on Coronavirus-associated Complications in Hospitalized Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19",
        "Sars-CoV2"
      ],
      "interventions": [
        {
          "name": "COVID-19 Convalescent Plasma (CCP)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Priscilla Hsue, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2020-06-09",
      "completion_date": "2021-04-30",
      "has_results": true,
      "last_update_posted_date": "2022-10-07",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 3,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421404"
    },
    {
      "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": "2026-09-29T06:07:32.698Z",
      "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": "NCT07217639",
      "title": "Clinical Validation of the Aptitude Medical Systems Metrix Respiratory Panel Test in At-Home/Non-Laboratory Settings",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID -19",
        "Influenza A",
        "Influenza B",
        "Respiratory Synctial Virus",
        "RSV",
        "Rhinovirus"
      ],
      "interventions": [
        {
          "name": "Aptitude Medical Systems Respiratory Panel Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Aptitude Medical Systems",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2000,
      "start_date": "2025-11-01",
      "completion_date": "2026-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-16",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 1,
      "location_summary": "Trussville, Alabama",
      "locations": [
        {
          "city": "Trussville",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217639"
    },
    {
      "nct_id": "NCT05595837",
      "title": "Immune Registry for Organ Transplantation From COVID Positive Donors.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Organ Transplant"
      ],
      "interventions": [
        {
          "name": "Standard organ transplant",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2022-12-29",
      "completion_date": "2025-07-20",
      "has_results": false,
      "last_update_posted_date": "2025-08-19",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05595837"
    },
    {
      "nct_id": "NCT04610515",
      "title": "Innovative Support for Patients With SARS-COV2 Infections (COVID-19) Registry (INSPIRE)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19",
        "ME/CFS",
        "SARS COV2",
        "Novel Coronavirus Infection",
        "Neurocognitive Disorders",
        "Cardiovascular Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6000,
      "start_date": "2020-12-15",
      "completion_date": "2025-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • San Francisco, California • New Haven, Connecticut + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04610515"
    },
    {
      "nct_id": "NCT04448145",
      "title": "Determinants of SARS (Severe Acute Respiratory Syndrome)-COV2 (COVID-19) Persistence After Convalescence",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Corona Virus Infection",
        "SARS-CoV 2"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2020-03-26",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04448145"
    },
    {
      "nct_id": "NCT04815018",
      "title": "Shifts in the Respiratory Microbiome and Clinical Outcomes of SARS-CoV-2",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2 Infection",
        "Bacterial Respiratory Tract Infection",
        "Viral Respiratory Tract Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pathnostics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 185,
      "start_date": "2020-10-07",
      "completion_date": "2021-05-30",
      "has_results": false,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 4,
      "location_summary": "Delaware, Ohio • Granville, Ohio • Westerville, Ohio",
      "locations": [
        {
          "city": "Delaware",
          "state": "Ohio"
        },
        {
          "city": "Delaware",
          "state": "Ohio"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        },
        {
          "city": "Westerville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04815018"
    },
    {
      "nct_id": "NCT05105789",
      "title": "Safe and Healthy Schools",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sars-CoV-2 Infection",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "BinaxNOW Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "\"Lollipop\" swab",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2021-10-11",
      "completion_date": "2023-05-21",
      "has_results": true,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-09-29T06:07:32.698Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05105789"
    }
  ]
}