{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congenital+Anemias&page=39",
    "query": {
      "condition": "Congenital Anemias",
      "page": 39
    },
    "page_size": 10
  },
  "pagination": {
    "page": 39,
    "page_size": 10,
    "total_count": 1045,
    "total_pages": 105,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congenital+Anemias&page=40&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congenital+Anemias&page=38&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T03:01:04.618Z",
  "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": "NCT00445978",
      "title": "A Phase 2 Study of the Effects of 6R-BH4 in Subjects With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Sapropterin Dihydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioMarin Pharmaceutical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2007-05",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2021-02-25",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 12,
      "location_summary": "Washington D.C., District of Columbia • Augusta, Georgia • Savannah, Georgia + 9 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00445978"
    },
    {
      "nct_id": "NCT00040417",
      "title": "Bone Marrow Transplant From Donor Using Less Toxic Conditioning for Patient With High Risk Hemoglobinopathies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Anemia",
        "Hemoglobinopathy",
        "Thalassemia"
      ],
      "interventions": [
        {
          "name": "FLUDARABINE",
          "type": "DRUG"
        },
        {
          "name": "CAMPATH-IH",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation",
          "type": "PROCEDURE"
        },
        {
          "name": "FK506",
          "type": "DRUG"
        },
        {
          "name": "G-SCF (Granulocyte-colony stimulating factor)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "1 Day to 65 Years"
      },
      "enrollment_count": 15,
      "start_date": "2000-08",
      "completion_date": "2003-11-21",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00040417"
    },
    {
      "nct_id": "NCT00749515",
      "title": "Pilot Study for Patients With Poor Response to Deferasirox",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Transfusion-dependent Hemachromatosis",
        "Thalassemia Major",
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Deferoxamine",
          "type": "DRUG"
        },
        {
          "name": "Deferasirox",
          "type": "DRUG"
        },
        {
          "name": "HIDA",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2008-03",
      "completion_date": "2008-11",
      "has_results": true,
      "last_update_posted_date": "2024-02-12",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00749515"
    },
    {
      "nct_id": "NCT06904612",
      "title": "Using Iodized Salt to Improve Serum Folate, B12 and Iron Levels",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neural Tube Defects",
        "Folic Acid Deficiency",
        "Spina Bifida",
        "Anencephaly-Spina Bifida",
        "B12 Deficiency Vitamin",
        "Anemia",
        "Iron Deficiency Anaemia Due to Dietary Causes"
      ],
      "interventions": [
        {
          "name": "Micronutrient fortified iodized salt",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Hydrocephalus and Neuroscience Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2022-06-01",
      "completion_date": "2022-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-14",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06904612"
    },
    {
      "nct_id": "NCT00513617",
      "title": "Effectiveness of Arginine as a Treatment for Sickle Cell Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia, Sickle Cell"
      ],
      "interventions": [
        {
          "name": "Arginine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UCSF Benioff Children's Hospital Oakland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 128,
      "start_date": "2004-06",
      "completion_date": "2008-01",
      "has_results": true,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 17,
      "location_summary": "Oakland, California • San Francisco, California • Denver, Colorado + 10 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00513617"
    },
    {
      "nct_id": "NCT02851615",
      "title": "Improving Self-Management in Adolescents With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "SCThrive Intervention for Adolescents with SCD",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "13 Years to 21 Years"
      },
      "enrollment_count": 66,
      "start_date": "2016-03-31",
      "completion_date": "2018-03-31",
      "has_results": true,
      "last_update_posted_date": "2024-03-04",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02851615"
    },
    {
      "nct_id": "NCT07247188",
      "title": "Study of a Single Dose of a 21-valent Pneumococcal Conjugate Vaccine in Children and Adolescents With Sickle Cell Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "PCV21",
          "type": "BIOLOGICAL"
        },
        {
          "name": "20vPCV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-01-20",
      "completion_date": "2027-01-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • Omaha, Nebraska • New Brunswick, New Jersey + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07247188"
    },
    {
      "nct_id": "NCT04207320",
      "title": "Haploidentical Hematopoietic Stem Cell Transplantation (HSCT) for Patients With Severe Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "αβ+ T-cell depletion with Miltenyi CliniMACS system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "2 Years to 25 Years"
      },
      "enrollment_count": 3,
      "start_date": "2020-04-07",
      "completion_date": "2023-05-22",
      "has_results": true,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04207320"
    },
    {
      "nct_id": "NCT07450430",
      "title": "Optimal Timing of Ketamine Initiation for SCD Pain",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Crisis"
      ],
      "interventions": [
        {
          "name": "Ketamine hydrochloride injection",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "6 Years to 24 Years"
      },
      "enrollment_count": 90,
      "start_date": "2026-02",
      "completion_date": "2030-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 1,
      "location_summary": "Brookline, Massachusetts",
      "locations": [
        {
          "city": "Brookline",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07450430"
    },
    {
      "nct_id": "NCT02179177",
      "title": "Apixaban in Patients With Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vaso-occlusive Crisis",
        "Reduction in Hospitalizations",
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Apixaban",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nirmish Shah",
      "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": 16,
      "start_date": "2015-01",
      "completion_date": "2017-09-03",
      "has_results": true,
      "last_update_posted_date": "2020-03-11",
      "last_synced_at": "2026-10-21T03:01:04.618Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02179177"
    }
  ]
}