{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Red+blood+cell+units+stored+%3E%3D+21+days",
    "query": {
      "intervention": "Red blood cell units stored >= 21 days"
    },
    "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": "2026-10-10T07:49:33.823Z",
  "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": "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": "2026-10-10T07:49:33.823Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02280655"
    },
    {
      "nct_id": "NCT00991341",
      "title": "Red Cell Storage Duration Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cardiac Surgery",
        "Erythrocyte Transfusion"
      ],
      "interventions": [
        {
          "name": "Red blood cell units stored <= 10 days",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Red blood cell units stored >= 21 days",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Carelon Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1481,
      "start_date": "2010-01",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2015-06-09",
      "last_synced_at": "2026-10-10T07:49:33.823Z",
      "location_count": 33,
      "location_summary": "Gainesville, Florida • Atlanta, Georgia • Fort Wayne, Indiana + 20 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00991341"
    },
    {
      "nct_id": "NCT01274390",
      "title": "Impact of Blood Storage Duration on Physiologic Measures",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Surgery",
        "Erythrocyte Transfusion"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 390,
      "start_date": "2011-01",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2017-02-02",
      "last_synced_at": "2026-10-10T07:49:33.823Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Minneapolis, Minnesota • Durham, North Carolina",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01274390"
    },
    {
      "nct_id": "NCT02566577",
      "title": "Physiologic Effects of RBC Transfusion",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Red Blood Cell Transfusion"
      ],
      "interventions": [
        {
          "name": "Fresh red blood cell (RBC) transfusion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Storage-aged red blood cell (RBC) transfusion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Electronic infusion pump",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 15,
      "start_date": "2013-07",
      "completion_date": "2018-03",
      "has_results": true,
      "last_update_posted_date": "2019-05-24",
      "last_synced_at": "2026-10-10T07:49:33.823Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02566577"
    },
    {
      "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": "2026-10-10T07:49:33.823Z",
      "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"
    },
    {
      "nct_id": "NCT01541319",
      "title": "Mechanism and Repository Study for the Red Cell Storage Duration Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Surgery",
        "Erythrocyte Transfusion"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Carelon Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2012-07",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2016-09-08",
      "last_synced_at": "2026-10-10T07:49:33.823Z",
      "location_count": 13,
      "location_summary": "San Francisco, California • Atlanta, Georgia • Fort Wayne, Indiana + 9 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01541319"
    },
    {
      "nct_id": "NCT01907906",
      "title": "Inactivation of Whole Blood With Mirasol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Focus of Study: Radiolabel Recovery and Survival of RBCs"
      ],
      "interventions": [
        {
          "name": "Mirasol System for Whole Blood",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Terumo BCTbio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2013-06",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2015-08-18",
      "last_synced_at": "2026-10-10T07:49:33.823Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio • Seattle, Washington",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01907906"
    }
  ]
}