{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transfusion+of+red+blood+cells",
    "query": {
      "intervention": "Transfusion of red blood cells"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 162,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transfusion+of+red+blood+cells&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T06:16:22.213Z",
  "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": "NCT01566695",
      "title": "The Efficacy and Safety of Oral Azacitidine Plus Best Supportive Care Versus Placebo and Best Supportive Care in Subjects With Red Blood Cell (RBC) Transfusion-Dependent Anemia and Thrombocytopenia Due to International Prognostic Scoring System (IPSS) Low Risk Myelodysplastic Syndrome (MDS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Oral Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Best Supportiv Care (BSC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2013-04-26",
      "completion_date": "2023-12-21",
      "has_results": true,
      "last_update_posted_date": "2025-01-07",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 40,
      "location_summary": "Berkeley, California • Beverly Hills, California • Duarte, California + 31 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01566695"
    },
    {
      "nct_id": "NCT04137692",
      "title": "Red Blood Cell Exchange Transfusion as a Novel Treatment for GLUT1 Deficiency Syndrome",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glucose Transporter Type 1 Deficiency Syndrome",
        "GLUT1DS1"
      ],
      "interventions": [
        {
          "name": "Red Blood Cell Transfusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "16 Years to 80 Years"
      },
      "enrollment_count": 12,
      "start_date": "2027-09",
      "completion_date": "2031-08",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04137692"
    },
    {
      "nct_id": "NCT01545232",
      "title": "Pragmatic, Randomized Optimal Platelet and Plasma Ratios",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Trauma"
      ],
      "interventions": [
        {
          "name": "1:1:1 Blood Transfusion Ratio",
          "type": "BIOLOGICAL"
        },
        {
          "name": "1:1:2 Blood Transfusion Ratio",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 680,
      "start_date": "2012-08",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2019-02-08",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01545232"
    },
    {
      "nct_id": "NCT06710418",
      "title": "Evaluating the Effects of Hemoglobin Threshold-specific Packed Red Blood Cell Transfusions on Quality of Life and Functional Outcomes in Patients With High-grade Myeloid Neoplasms, Acute Myeloid Leukemia, or B Acute Lymphoblastic Lymphoma/Leukemia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "B Acute Lymphoblastic Leukemia",
        "B Lymphoblastic Lymphoma",
        "Myeloid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Activity Tracking",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Packed Red Blood Cell Transfusion",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2025-10-15",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06710418"
    },
    {
      "nct_id": "NCT04404881",
      "title": "Bevacizumab In Hereditary Hemorrhagic Telangiectasia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hereditary Hemorrhagic Telangiectasia"
      ],
      "interventions": [
        {
          "name": "Bevacizumab (Avastin®)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hanny Al-Samkari, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2020-11-23",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04404881"
    },
    {
      "nct_id": "NCT03263091",
      "title": "Efficacy and Safety of Roxadustat for Treatment of Anemia in Participants With Lower Risk Myelodysplastic Syndrome With Low Red Blood Cell Transfusion Burden",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary MDS (Very Low, Low or Intermediate IPSS-R With <5% Blasts)",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Roxadustat",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kyntra Bio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 184,
      "start_date": "2018-01-29",
      "completion_date": "2023-06-20",
      "has_results": true,
      "last_update_posted_date": "2024-08-01",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 30,
      "location_summary": "Bakersfield, California • Beverly Hills, California • Burbank, California + 25 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03263091"
    },
    {
      "nct_id": "NCT00627393",
      "title": "Safety and Effectiveness of Granulocyte Transfusions in Resolving Infection in People With Neutropenia (The RING Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neutropenia",
        "Infection"
      ],
      "interventions": [
        {
          "name": "Standard antimicrobial therapy",
          "type": "DRUG"
        },
        {
          "name": "Granulocyte transfusions",
          "type": "BIOLOGICAL"
        },
        {
          "name": "G-CSF/dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Apheresis machine",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "Carelon Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 114,
      "start_date": "2008-04",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2015-04-17",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 13,
      "location_summary": "Iowa City, Iowa • Baltimore, Maryland • Boston, Massachusetts + 9 more",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00627393"
    },
    {
      "nct_id": "NCT02094118",
      "title": "Point-of-Care RBC Washing to Prevent Transfusion-Related Pulmonary Complications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Blood Transfusion Complications"
      ],
      "interventions": [
        {
          "name": "Point-of-care washed red blood cell transfusion.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard of care red blood cell transfusion.",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 171,
      "start_date": "2016-01",
      "completion_date": "2019-05-30",
      "has_results": true,
      "last_update_posted_date": "2021-04-06",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 2,
      "location_summary": "Rochester, Minnesota • Durham, North Carolina",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02094118"
    },
    {
      "nct_id": "NCT02447627",
      "title": "Study of Methodologies to Measure Blood Flow and Oxygenation in Adults With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Sickle Cell Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Bioverativ Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 38,
      "start_date": "2015-06",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2020-12-19",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02447627"
    },
    {
      "nct_id": "NCT00459225",
      "title": "Iron Prophylaxis for Anemia in Infants With Cyanotic Congenital Heart Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Iron (ferrous sulfate)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "Up to 2 Months"
      },
      "enrollment_count": 0,
      "start_date": "2007-04",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2014-12-09",
      "last_synced_at": "2026-09-30T06:16:22.213Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00459225"
    }
  ]
}