{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transfusion+of+7-day+stored+red+blood+cells",
    "query": {
      "intervention": "Transfusion of 7-day stored red blood cells"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T12:36:18.688Z",
  "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": "2026-10-11T12:36:18.688Z",
      "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": "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": "2026-10-11T12:36:18.688Z",
      "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": "2026-10-11T12:36:18.688Z",
      "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": "NCT05482737",
      "title": "Clinical Impact of Red Cell Storage Age",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "RBC Transfusions"
      ],
      "interventions": [
        {
          "name": "no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33000,
      "start_date": "2019-07-01",
      "completion_date": "2024-08-30",
      "has_results": false,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-10-11T12:36:18.688Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05482737"
    },
    {
      "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": "2026-10-11T12:36:18.688Z",
      "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"
    }
  ]
}