{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Red+Blood+Cell+%28RBC%29+Transfusion&page=3",
    "query": {
      "intervention": "Red Blood Cell (RBC) Transfusion",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 167,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Red+Blood+Cell+%28RBC%29+Transfusion&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Red+Blood+Cell+%28RBC%29+Transfusion&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T12:38:20.443Z",
  "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": "NCT00003138",
      "title": "Erythropoietin (EPO)+/- Filgrastim (G-CSF) vs. Supportive Therapy Alone for Patients With Myelodysplastic Syndromes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Erythropoietin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Transfusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 118,
      "start_date": "1998-03-04",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2023-06-29",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 28,
      "location_summary": "Denver, Colorado • Chicago, Illinois • Peoria, Illinois + 23 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003138"
    },
    {
      "nct_id": "NCT00450827",
      "title": "Iodine I 131 Monoclonal Antibody 3F8 and Bevacizumab in Treating Patients With Relapsed or Refractory Neuroblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "autologous hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "iodine I 131 monoclonal antibody 3F8",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 25,
      "start_date": "2006-08",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2015-09-28",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00450827"
    },
    {
      "nct_id": "NCT00968227",
      "title": "Effect of Red Blood Cell Transfusion on Brain Metabolism in Patients With Subarachnoid Hemorrhage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Subarachnoid Hemorrhage",
        "Vasospasm"
      ],
      "interventions": [
        {
          "name": "Red blood cell transfusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2007-11",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00968227"
    },
    {
      "nct_id": "NCT00167388",
      "title": "The Effect of Blood Transfusion on Blood Flow to the Intestines of Premature Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anemia of Prematurity"
      ],
      "interventions": [
        {
          "name": "feed during blood transfusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Weeks",
        "maximum_age": "38 Weeks",
        "sex": "ALL",
        "summary": "25 Weeks to 38 Weeks"
      },
      "enrollment_count": 22,
      "start_date": "2005-09",
      "completion_date": "2006-11",
      "has_results": true,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00167388"
    },
    {
      "nct_id": "NCT00731588",
      "title": "Red Blood Cell (RBC) Survival Following Transfusion in Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neonatal Anemia"
      ],
      "interventions": [
        {
          "name": "Transfused Biotin RBCs - Adults Phase I",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Transfused Biotin RBCs - Infants Phase II",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Transfused Biotin RBCs - Infants Phase III",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "John A Widness",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Hour",
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "1 Hour to 6 Months"
      },
      "enrollment_count": 140,
      "start_date": "2008-06",
      "completion_date": "2018-03-02",
      "has_results": true,
      "last_update_posted_date": "2021-08-13",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00731588"
    },
    {
      "nct_id": "NCT02684747",
      "title": "Detecting Autologous Transfusion by Measuring Alterations in the Dynamics of Red Blood Cell Maturation and Recycling",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Blood Transfusion, Autologous",
        "Blood Doping"
      ],
      "interventions": [
        {
          "name": "Autologous Transfusion",
          "type": "OTHER"
        },
        {
          "name": "Control - Normal Saline (Placebo)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 40,
      "start_date": "2016-02",
      "completion_date": "2018-05-05",
      "has_results": false,
      "last_update_posted_date": "2018-05-14",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684747"
    },
    {
      "nct_id": "NCT04920045",
      "title": "A Trial to Assess the Effect of Transfusion Strategies on Fatigability Levels After Hospital Discharge",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anemia",
        "Red Blood Cell Transfusion",
        "Fatigability",
        "Fatigue",
        "Physical Function"
      ],
      "interventions": [
        {
          "name": "Red blood cell transfusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2022-02-01",
      "completion_date": "2025-03-26",
      "has_results": false,
      "last_update_posted_date": "2025-04-01",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04920045"
    },
    {
      "nct_id": "NCT04028700",
      "title": "The Impact of Oxidative Stress on Erythrocyte Biology",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease Without Crisis"
      ],
      "interventions": [
        {
          "name": "G6PD Deficient Red Blood Cell Transfusion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Non-G6PD deficient Red Blood Cell Transfusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 8,
      "start_date": "2022-01-02",
      "completion_date": "2024-08-16",
      "has_results": true,
      "last_update_posted_date": "2025-06-03",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04028700"
    },
    {
      "nct_id": "NCT00749372",
      "title": "MRI Screening for Patients With Myelodysplastic Syndrome (MDS), Who Have Received Multiple Red Blood Cell Transfusions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myelodysplastic Syndrome (MDS)"
      ],
      "interventions": [
        {
          "name": "T2* Cardiac and Liver MRI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2008-07-31",
      "completion_date": "2013-03-29",
      "has_results": false,
      "last_update_posted_date": "2018-10-25",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00749372"
    },
    {
      "nct_id": "NCT04081272",
      "title": "Effect of G6PD Deficiency on Red Blood Cell Storage",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "G6PD Deficiency"
      ],
      "interventions": [
        {
          "name": "Sodium Chromate Cr51",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "18 Years to 70 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2012-11",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2019-09-17",
      "last_synced_at": "2026-10-05T12:38:20.443Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04081272"
    }
  ]
}