{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=GRAIL%2C+Inc.",
    "query": {
      "sponsor": "GRAIL, Inc."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T03:02:11.849Z",
  "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": "NCT02889978",
      "title": "The Circulating Cell-free Genome Atlas Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms",
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 15254,
      "start_date": "2016-08-04",
      "completion_date": "2024-03",
      "has_results": false,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-09-02T03:02:11.849Z",
      "location_count": 139,
      "location_summary": "Daphne, Alabama • Mobile, Alabama • Phoenix, Arizona + 105 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02889978"
    },
    {
      "nct_id": "NCT06603259",
      "title": "The Galleri® Community Research Program",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Data Collection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 250,
      "start_date": "2024-08-19",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-02T03:02:11.849Z",
      "location_count": 1,
      "location_summary": "Menlo Park, California",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06603259"
    },
    {
      "nct_id": "NCT03372902",
      "title": "Development Of A Blood Test To Improve The Performance Of Breast Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Breast Benign"
      ],
      "interventions": [
        {
          "name": "Breast MRI",
          "type": "DEVICE"
        },
        {
          "name": "Breast Mammogram",
          "type": "DEVICE"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Breast Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "online participant reported questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 628,
      "start_date": "2017-12-07",
      "completion_date": "2025-03-12",
      "has_results": false,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-09-02T03:02:11.849Z",
      "location_count": 7,
      "location_summary": "Hartford, Connecticut • Miami, Florida • Basking Ridge, New Jersey + 4 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03372902"
    },
    {
      "nct_id": "NCT05205967",
      "title": "REFLECTION: A Clinical Practice Learning Program for Galleri®",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Early Detection of Cancer",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "MCED",
          "type": "OTHER"
        },
        {
          "name": "SOC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 14633,
      "start_date": "2021-08-23",
      "completion_date": "2026-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-09-02T03:02:11.849Z",
      "location_count": 16,
      "location_summary": "Scottsdale, Arizona • Burbank, California • Fullerton, California + 13 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05205967"
    },
    {
      "nct_id": "NCT04241796",
      "title": "Assessment of the Implementation of an Investigational Multi-Cancer Early Detection Test Into Clinical Practice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Multi-Cancer Early Detection Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 6662,
      "start_date": "2019-12-12",
      "completion_date": "2022-01-05",
      "has_results": false,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-09-02T03:02:11.849Z",
      "location_count": 11,
      "location_summary": "Roseville, California • Pensacola, Florida • Boston, Massachusetts + 8 more",
      "locations": [
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04241796"
    },
    {
      "nct_id": "NCT05155605",
      "title": "PATHFINDER 2: A Multi-Cancer Early Detection Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Early Detection of Cancer",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Multi-Cancer Early Detection Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 35883,
      "start_date": "2021-12-08",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-02T03:02:11.849Z",
      "location_count": 55,
      "location_summary": "Auburn, California • Davis, California • Elk Grove, California + 45 more",
      "locations": [
        {
          "city": "Auburn",
          "state": "California"
        },
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Elk Grove",
          "state": "California"
        },
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05155605"
    },
    {
      "nct_id": "NCT03085888",
      "title": "The STRIVE Study: Development of a Blood Test for Early Detection of Multiple Cancer Types",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms",
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "GRAIL, 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": 99481,
      "start_date": "2017-02-28",
      "completion_date": "2024-04-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-20",
      "last_synced_at": "2026-09-02T03:02:11.849Z",
      "location_count": 35,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Elk Grove, California + 31 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Elk Grove",
          "state": "California"
        },
        {
          "city": "Folsom",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03085888"
    },
    {
      "nct_id": "NCT05673018",
      "title": "Galleri® in the Medicare Population.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Multi-Cancer Early Detection Test (Galleri®)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 50000,
      "start_date": "2024-07-12",
      "completion_date": "2030-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-02T03:02:11.849Z",
      "location_count": 61,
      "location_summary": "Fort Smith, Arkansas • Auburn, California • Davis, California + 43 more",
      "locations": [
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Auburn",
          "state": "California"
        },
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Elk Grove",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05673018"
    }
  ]
}