{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congenital+Anemias&page=21",
    "query": {
      "condition": "Congenital Anemias",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 1044,
    "total_pages": 105,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congenital+Anemias&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congenital+Anemias&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T06:43:49.190Z",
  "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": "NCT01000155",
      "title": "Efficacy of Vorinostat to Induce Fetal Hemoglobin in Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "vorinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2009-10",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01000155"
    },
    {
      "nct_id": "NCT02227472",
      "title": "Working Memory and School Readiness in Preschool-Aged Children With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Evaluation of cognitive and pre-academic skills",
          "type": "OTHER"
        },
        {
          "name": "Parent questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "48 Months",
        "maximum_age": "68 Months",
        "sex": "ALL",
        "summary": "48 Months to 68 Months"
      },
      "enrollment_count": 84,
      "start_date": "2014-09-08",
      "completion_date": "2018-08-20",
      "has_results": false,
      "last_update_posted_date": "2018-09-12",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02227472"
    },
    {
      "nct_id": "NCT01794000",
      "title": "A Study of Prasugrel in Pediatric Participants With Sickle Cell Disease (SCD)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Prasugrel",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 341,
      "start_date": "2013-04",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2019-09-25",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 20,
      "location_summary": "Oakland, California • Palo Alto, California • Hartford, Connecticut + 16 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01794000"
    },
    {
      "nct_id": "NCT05153967",
      "title": "Cooperative Assessment of Late Effects for SCD Curative Therapies",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease",
        "Pulmonary Disease",
        "Renal Disease",
        "Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "4 Years to 65 Years"
      },
      "enrollment_count": 377,
      "start_date": "2022-07-12",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 5,
      "location_summary": "Washington D.C., District of Columbia • Atlanta, Georgia • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05153967"
    },
    {
      "nct_id": "NCT00001399",
      "title": "Gene Therapy for the Treatment of Fanconi's Anemia Type C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Fanconi's Anemia",
        "Pancytopenia"
      ],
      "interventions": [
        {
          "name": "Transduced CD34+ Cells",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "1993-12-03",
      "completion_date": "2009-02-11",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001399"
    },
    {
      "nct_id": "NCT00127543",
      "title": "Kid Cards: Teaching Kids About Medicines",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemophilia",
        "Sickle Cell Disease",
        "Neoplasms",
        "Blood Coagulation Disorders"
      ],
      "interventions": [
        {
          "name": "Medication Education for Children",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "7 Years to 11 Years"
      },
      "enrollment_count": 0,
      "start_date": "2005-08",
      "completion_date": "2006-04",
      "has_results": false,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00127543"
    },
    {
      "nct_id": "NCT05828108",
      "title": "Study of the Selective GlyT1 Inhibitor Bitopertin for Steroid-Refractory Diamond-Blackfan Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Steroid-refractory Diamond-Blackfan Anemia (DBA)"
      ],
      "interventions": [
        {
          "name": "Bitopertin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 15,
      "start_date": "2023-07-25",
      "completion_date": "2025-08-28",
      "has_results": true,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05828108"
    },
    {
      "nct_id": "NCT03789591",
      "title": "Hydroxyurea Optimization Through Precision Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "Hydroxyurea",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lifespan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Months to 21 Years"
      },
      "enrollment_count": 104,
      "start_date": "2019-01-17",
      "completion_date": "2025-03-19",
      "has_results": false,
      "last_update_posted_date": "2025-06-18",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 13,
      "location_summary": "Phoenix, Arizona • Atlanta, Georgia • Peoria, Illinois + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03789591"
    },
    {
      "nct_id": "NCT00663507",
      "title": "Kidney Transplantation in Patients With Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 2,
      "start_date": "2008-03",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2013-02-27",
      "last_synced_at": "2026-10-15T06:43:49.190Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00663507"
    },
    {
      "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": "2026-10-15T06:43:49.190Z",
      "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"
    }
  ]
}