{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+transfusion&page=21",
    "query": {
      "intervention": "blood transfusion",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 618,
    "total_pages": 62,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+transfusion&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+transfusion&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T12:10:34.595Z",
  "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": "NCT01541319",
      "title": "Mechanism and Repository Study for the Red Cell Storage Duration Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Surgery",
        "Erythrocyte Transfusion"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Carelon Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2012-07",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2016-09-08",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 13,
      "location_summary": "San Francisco, California • Atlanta, Georgia • Fort Wayne, Indiana + 9 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01541319"
    },
    {
      "nct_id": "NCT05171881",
      "title": "Brain Oxygenation-II",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cerebral Hypoxia"
      ],
      "interventions": [
        {
          "name": "Intervention for cerebral hypoxia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Valerie Chock, M.D., M.S. Epi",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Hours",
        "sex": "ALL",
        "summary": "Up to 6 Hours"
      },
      "enrollment_count": 100,
      "start_date": "2022-04-07",
      "completion_date": "2025-04",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 5,
      "location_summary": "Loma Linda, California • Palo Alto, California • St Louis, Missouri + 2 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05171881"
    },
    {
      "nct_id": "NCT01583465",
      "title": "Efficacy of Aquamantys for Reducing Transfusions With Anterior Supine Intermuscular Approach Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Hip",
        "Joint Deformities, Acquired",
        "Hip Dislocation, Congenital",
        "Osteonecrosis",
        "Arthritis, Rheumatoid"
      ],
      "interventions": [
        {
          "name": "Aquamantys",
          "type": "DEVICE"
        },
        {
          "name": "standard electrocautery (Bovie)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Joint Implant Surgeons, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "2009-10",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2012-04-24",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 1,
      "location_summary": "New Albany, Ohio",
      "locations": [
        {
          "city": "New Albany",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01583465"
    },
    {
      "nct_id": "NCT04922307",
      "title": "Reduction of Allogenic Blood Transfusion in Locally Advanced Kidney Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Sparing Protocol",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Blood Replacement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2021-07-23",
      "completion_date": "2027-06-15",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 3,
      "location_summary": "Tampa, Florida • Atlanta, Georgia • Nashville, Tennessee",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04922307"
    },
    {
      "nct_id": "NCT02047552",
      "title": "RCT of Goal-directed Iron Supplementation of Anemic, Critically Ill Trauma Patients, With and Without Oxandrolone",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Functional Iron Deficiency",
        "Trauma",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Iron sucrose",
          "type": "DRUG"
        },
        {
          "name": "Oxandrolone",
          "type": "DRUG"
        },
        {
          "name": "IV iron placebo",
          "type": "DRUG"
        },
        {
          "name": "Oxandrolone placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Denver Health and Hospital Authority",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2015-01",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-03",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02047552"
    },
    {
      "nct_id": "NCT04987489",
      "title": "A Study of Etavopivat in Patients With Thalassemia or Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia"
      ],
      "interventions": [
        {
          "name": "Etavopivat tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forma Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 53,
      "start_date": "2022-03-28",
      "completion_date": "2025-09-24",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 14,
      "location_summary": "Cerritos, California • Los Angeles, California • Oakland, California + 9 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04987489"
    },
    {
      "nct_id": "NCT02078284",
      "title": "Phase 1 Safety Study of Dimethyl Sulfoxide Cryopreserved Platelets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Thrombocytopenia"
      ],
      "interventions": [
        {
          "name": "CPP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "LSP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2014-11-05",
      "completion_date": "2016-07-17",
      "has_results": true,
      "last_update_posted_date": "2021-05-20",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 4,
      "location_summary": "Lebanon, New Hampshire • Cincinnati, Ohio • Seattle, Washington",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02078284"
    },
    {
      "nct_id": "NCT05405426",
      "title": "Trial of Indication-Based Transfusion of Red Blood Cells in ECMO",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Extracorporeal Membrane Oxygenation",
        "Red Blood Cell Transfusion",
        "Organ Failure, Multiple"
      ],
      "interventions": [
        {
          "name": "Red blood cell transfusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Days",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "0 Days to 6 Years"
      },
      "enrollment_count": 228,
      "start_date": "2023-04-14",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 20,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05405426"
    },
    {
      "nct_id": "NCT06676904",
      "title": "Neonatal Platelet Transfusion Threshold Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thrombocytopenia",
        "Neonatal",
        "Platelet Transfusion",
        "Infant, Newborn, Diseases",
        "Infant, Extremely Low Birth Weight",
        "Infant, Small for Gestational Age",
        "Thrombosis"
      ],
      "interventions": [
        {
          "name": "Higher Platelet Transfusion Threshold",
          "type": "PROCEDURE"
        },
        {
          "name": "Lower Platelet Transfusion Threshold",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "NICHD Neonatal Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Hour",
        "maximum_age": "48 Hours",
        "sex": "ALL",
        "summary": "1 Hour to 48 Hours"
      },
      "enrollment_count": 2433,
      "start_date": "2025-06-13",
      "completion_date": "2031-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Palo Alto, California • San Diego, California + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06676904"
    },
    {
      "nct_id": "NCT00345852",
      "title": "Fetoscopic Selective Laser Photocoagulation in Twin-Twin Transfusion Syndrome",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Twin to Twin Transfusion Syndrome"
      ],
      "interventions": [
        {
          "name": "Fetoscopic Selective Laser Photocoagulation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2002-03",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2007-06-29",
      "last_synced_at": "2026-10-15T12:10:34.595Z",
      "location_count": 12,
      "location_summary": "San Francisco, California • Evanston, Illinois • New York, New York + 7 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00345852"
    }
  ]
}