{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transfusion+of+42-day+stored+red+blood+cells",
    "query": {
      "intervention": "Transfusion of 42-day stored red blood cells"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T00:43:16.561Z",
  "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": "NCT02918851",
      "title": "VO2 Max: In Vivo Model for Functional Red Cell Testing. Can RECESS be Explained?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Transfusion of 7-day stored red blood cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Transfusion of 28-day stored red blood cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Transfusion of 42-day stored red blood cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 42,
      "start_date": "2017-01",
      "completion_date": "2019-11-20",
      "has_results": true,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-10-09T00:43:16.561Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02918851"
    },
    {
      "nct_id": "NCT07446647",
      "title": "Comparative Analysis of Biotinylated, Irradiated and 51-Chromium Radiolabeled Red Blood Cells for Analysis of Recovery and Survival After Autologous Transfusion",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer Red Blood Cell Labeling Study; Not Disease Focused"
      ],
      "interventions": [
        {
          "name": "Biotinylated Red Blood Cells (BioRBC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Irradiated Biotinylated Red Blood Cells (Irradiated BioRBC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "51 Chromium Labeled Red Blood Cells (51Cr RBC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Technetium 99m Labeled Red Blood Cells (99mTc RBC)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Jose Cancelas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-04-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-10-09T00:43:16.561Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio • Norfolk, Virginia",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07446647"
    },
    {
      "nct_id": "NCT03364686",
      "title": "Transfusion of Biotin-Labeled Red Blood Cells",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Biotin-Labeled Red Blood Cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Gladwin, Mark, MD",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2019-09-16",
      "completion_date": "2021-06-29",
      "has_results": true,
      "last_update_posted_date": "2022-04-21",
      "last_synced_at": "2026-10-09T00:43:16.561Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03364686"
    },
    {
      "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": "2026-10-09T00:43:16.561Z",
      "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": "NCT02757898",
      "title": "Transfusion of Biotinylated Red Blood Cells",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Biotin-Labeled Red Blood Cells (RBCs)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory 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": 5,
      "start_date": "2017-01-11",
      "completion_date": "2018-11-13",
      "has_results": true,
      "last_update_posted_date": "2023-05-09",
      "last_synced_at": "2026-10-09T00:43:16.561Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02757898"
    },
    {
      "nct_id": "NCT01038557",
      "title": "Frozen Red Blood Cell Transfusions in Trauma Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Loss",
        "Anemia",
        "Trauma"
      ],
      "interventions": [
        {
          "name": "RBC units",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "15 Years to 100 Years"
      },
      "enrollment_count": 254,
      "start_date": "2010-01",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2020-01-28",
      "last_synced_at": "2026-10-09T00:43:16.561Z",
      "location_count": 5,
      "location_summary": "Cincinnati, Ohio • Portland, Oregon • Dallas, Texas + 2 more",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01038557"
    },
    {
      "nct_id": "NCT01977547",
      "title": "Age of Blood in Children in Pediatric Intensive Care Units",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Short storage RBC age",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Days",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "3 Days to 15 Years"
      },
      "enrollment_count": 1538,
      "start_date": "2014-01",
      "completion_date": "2018-12",
      "has_results": true,
      "last_update_posted_date": "2021-04-29",
      "last_synced_at": "2026-10-09T00:43:16.561Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01977547"
    }
  ]
}