{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Red+Blood+Cells",
    "query": {
      "intervention": "Red Blood Cells"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 363,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Red+Blood+Cells&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T23:00:40.590Z",
  "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": "NCT04171635",
      "title": "Quantitative Susceptibility Mapping (QSM) to Guide Iron Chelating Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "MRI Scans"
      ],
      "interventions": [
        {
          "name": "Quantitative Susceptibility Mapping (QSM) Magnetic Resonance Imaging (MRI)",
          "type": "RADIATION"
        },
        {
          "name": "R2* Magnetic Resonance Imaging (MRI)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2019-12-16",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "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/NCT04171635"
    },
    {
      "nct_id": "NCT00235391",
      "title": "Expanded Access of Deferasirox to Patients With Congenital Disorders of Red Blood Cells and Chronic Iron Overload",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Thalassemia",
        "Sickle Cell Disease",
        "Diamond Blackfan Anemia",
        "Myelofibrosis"
      ],
      "interventions": [
        {
          "name": "Deferasirox",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 1683,
      "start_date": "2005-10",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2011-06-07",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 27,
      "location_summary": "Little Rock, Arkansas • Berkeley, California • Orange, California + 23 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00235391"
    },
    {
      "nct_id": "NCT00006055",
      "title": "Autologous Peripheral Blood Stem Cell Transplantation in Patients With Life Threatening Autoimmune Diseases",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Purpura, Schoenlein-Henoch",
        "Graft Versus Host Disease",
        "Anemia, Hemolytic, Autoimmune",
        "Rheumatoid Arthritis",
        "Churg-Strauss Syndrome",
        "Hypersensitivity Vasculitis",
        "Wegener's Granulomatosis",
        "Systemic Lupus Erythematosus",
        "Giant Cell Arteritis",
        "Pure Red Cell Aplasia",
        "Juvenile Rheumatoid Arthritis",
        "Polyarteritis Nodosa",
        "Autoimmune Thrombocytopenic Purpura",
        "Takayasu Arteritis"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "filgrastim",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "Autologous Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Fairview University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "1 Year to 55 Years"
      },
      "enrollment_count": 10,
      "start_date": "2000-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006055"
    },
    {
      "nct_id": "NCT01369550",
      "title": "Efficacy Study of Stearidonic Acid (SDA) Soybean Oil-containing Foods on Red Blood Cell Fatty Acid Content",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers",
        "Markers of Cardiovascular Risk"
      ],
      "interventions": [
        {
          "name": "SDA soybean oil-containing foods",
          "type": "OTHER"
        },
        {
          "name": "High-oleic sunflower oil containing foods",
          "type": "OTHER"
        },
        {
          "name": "Eicosapentaenoic acid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Monsanto Company, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 127,
      "start_date": "2010-08",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2011-06-09",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 2,
      "location_summary": "St. Petersburg, Florida • Addison, Illinois",
      "locations": [
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01369550"
    },
    {
      "nct_id": "NCT00261274",
      "title": "Safety Study of ECO Conversion System For Red Blood Cells.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "A-ECO",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Velico Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2005-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2020-05-27",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 6,
      "location_summary": "New Haven, Connecticut • Minneapolis, Minnesota • Albuquerque, New Mexico + 3 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00261274"
    },
    {
      "nct_id": "NCT02077751",
      "title": "BioRBC Survival in Adults With Prior Antibody Response to BioRBCs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "biotin labelled RBCs",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "John A Widness",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 3,
      "start_date": "2013-05",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2021-04-29",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02077751"
    },
    {
      "nct_id": "NCT01190644",
      "title": "Study to Evaluate Effect of a Single Dose of Sotatercept (ACE-011) on Red Blood Cell Mass and Plasma Volume in Participants With Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Solid Tumors"
      ],
      "interventions": [
        {
          "name": "Sotatercept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2010-06-01",
      "completion_date": "2012-10-29",
      "has_results": true,
      "last_update_posted_date": "2023-11-29",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01190644"
    },
    {
      "nct_id": "NCT00468481",
      "title": "Efficacy and Safety Study for an Oral Contraceptive Containing Folate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neural Tube Defects",
        "Contraception",
        "Oral Contraceptives (OC)"
      ],
      "interventions": [
        {
          "name": "Drospirenone/Ethinylestradiol/Methyltetrahydrofolate",
          "type": "DRUG"
        },
        {
          "name": "Drospirenone/Ethinylestradiol (Yaz)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 385,
      "start_date": "2007-04",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2014-04-23",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 9,
      "location_summary": "Anaheim, California • San Diego, California • Baltimore, Maryland + 6 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Morrisville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00468481"
    },
    {
      "nct_id": "NCT04927247",
      "title": "A Study of a Single Dose of Inclacumab to Reduce Re-admission in Participants With Sickle Cell Disease and Recurrent Vaso-occlusive Crises",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Vaso-occlusive Crisis",
        "Vaso-occlusive Pain Episode in Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Inclacumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2021-12-09",
      "completion_date": "2023-11-24",
      "has_results": true,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 17,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 11 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04927247"
    },
    {
      "nct_id": "NCT05646485",
      "title": "Bladder Cancer Screening Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bladder Cancer",
        "Urothelial Carcinoma",
        "Hematuria",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Urinalysis",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2023-05-05",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-09-13T23:00:40.590Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05646485"
    }
  ]
}