{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=RBC+transfusion&page=2",
    "query": {
      "intervention": "RBC transfusion",
      "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=RBC+transfusion&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T15:17:21.848Z",
  "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": "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": "2026-09-24T15:17:21.848Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00968227"
    },
    {
      "nct_id": "NCT02561312",
      "title": "Comparison of Two Methods of Transfusion for Stroke Prevention in Sickle Cell",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anemia, Sickle Cell",
        "Sickling Disorder Due to Hemoglobin S"
      ],
      "interventions": [
        {
          "name": "Rapid manual partial exchange transfusion",
          "type": "OTHER"
        },
        {
          "name": "Simple Transfusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Chattanooga-Hamilton County Hospital Authority",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "3 Years to 25 Years"
      },
      "enrollment_count": 9,
      "start_date": "2015-09",
      "completion_date": "2017-09-30",
      "has_results": false,
      "last_update_posted_date": "2018-07-27",
      "last_synced_at": "2026-09-24T15:17:21.848Z",
      "location_count": 1,
      "location_summary": "Chattanooga, Tennessee",
      "locations": [
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02561312"
    },
    {
      "nct_id": "NCT01319552",
      "title": "Fresh Versus Old Red Blood Cells for Transfusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron, Abnormal Blood Level",
        "Other Abnormal Blood Chemistry"
      ],
      "interventions": [
        {
          "name": "Fresh transfusion",
          "type": "PROCEDURE"
        },
        {
          "name": "Old transfusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 14,
      "start_date": "2008-12",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2015-06-02",
      "last_synced_at": "2026-09-24T15:17:21.848Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01319552"
    },
    {
      "nct_id": "NCT05255445",
      "title": "Red Blood Cell - IMProving trAnsfusions for Chronically Transfused Recipients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia",
        "Pediatric Cancer"
      ],
      "interventions": [
        {
          "name": "Red Blood Cell (RBC) Transfusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Westat",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 157,
      "start_date": "2022-03-16",
      "completion_date": "2024-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-17",
      "last_synced_at": "2026-09-24T15:17:21.848Z",
      "location_count": 9,
      "location_summary": "Oakland, California • San Francisco, California • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05255445"
    },
    {
      "nct_id": "NCT07015684",
      "title": "131I-apamistamab-based Conditioning for Hematopoietic Stem Cell Transplant (HSCT) in Advanced Sickle Cell Disease (SCD)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickling Disorder Due to Hemoglobin S"
      ],
      "interventions": [
        {
          "name": "131I-apamistmab",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Campath",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Exchange Transfusion",
          "type": "PROCEDURE"
        },
        {
          "name": "Planar gamma imaging",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "12 Years to 50 Years"
      },
      "enrollment_count": 24,
      "start_date": "2025-04-28",
      "completion_date": "2032-03-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-09-24T15:17:21.848Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07015684"
    },
    {
      "nct_id": "NCT02280655",
      "title": "Adverse Effects of Red Blood Cell Transfusions: A Unifying Hypothesis (Aim 3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Storage-aged red blood cells (saRBCs) units",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fresh red blood cells units",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 43,
      "start_date": "2009-04",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2016-04-11",
      "last_synced_at": "2026-09-24T15:17:21.848Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02280655"
    },
    {
      "nct_id": "NCT00751322",
      "title": "Transfusion-Induced Alterations of Pulmonary and Immune Function in Mechanically Ventilated Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Edemas",
        "Blood Protein Disorders"
      ],
      "interventions": [
        {
          "name": "RBC transfusion of 5 days or less storage age",
          "type": "OTHER"
        },
        {
          "name": "RBC transfusion of conventional storage age",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 100,
      "start_date": "2008-08",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-01-31",
      "last_synced_at": "2026-09-24T15:17:21.848Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00751322"
    },
    {
      "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": "2026-09-24T15:17:21.848Z",
      "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": "NCT07422480",
      "title": "A Study to Compare Elritercept With Epoetin Alfa to Treat Anemia in Adults With Very Low, Low, or Intermediate Risk Myelodysplastic Syndromes (MDS) Who Need Regular Blood Transfusions",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Myelodysplastic Syndrome",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Elritercept",
          "type": "DRUG"
        },
        {
          "name": "Epoetin Alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2026-05-21",
      "completion_date": "2033-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-09-24T15:17:21.848Z",
      "location_count": 31,
      "location_summary": "Gilbert, Arizona • Duarte, California • Santa Rosa, California + 26 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07422480"
    },
    {
      "nct_id": "NCT04432168",
      "title": "The TAPS Trial - Fetoscopic Laser Surgery for Twin Anemia Polycythemia Sequence",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Twin Anemia Polycythemia Sequence"
      ],
      "interventions": [
        {
          "name": "Fetoscopic Laser Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Leiden University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 44,
      "start_date": "2019-04-30",
      "completion_date": "2024-04-30",
      "has_results": false,
      "last_update_posted_date": "2020-06-16",
      "last_synced_at": "2026-09-24T15:17:21.848Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04432168"
    }
  ]
}