{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sickle+Cell+Anemia",
    "query": {
      "condition": "Sickle Cell Anemia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 762,
    "total_pages": 77,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sickle+Cell+Anemia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T23:44:44.408Z",
  "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": "NCT05255445",
      "title": "Red Blood Cell - IMProving trAnsfusions for Chronically Transfused Recipients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia",
        "Pediatric Cancer"
      ],
      "interventions": [
        {
          "name": "Red Blood Cell (RBC) Transfusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Westat",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 157,
      "start_date": "2022-03-16",
      "completion_date": "2024-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-17",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 9,
      "location_summary": "Oakland, California • San Francisco, California • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05255445"
    },
    {
      "nct_id": "NCT03049475",
      "title": "Pathophysiology of Acute Pain in Patients With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 99,
      "start_date": "2017-03-13",
      "completion_date": "2019-12-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03049475"
    },
    {
      "nct_id": "NCT02373241",
      "title": "Preventing Sickle Cell Kidney Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia, Sickle Cell",
        "Sickle Cell Disease",
        "Kidney Disease",
        "Hypertension",
        "Proteinuria"
      ],
      "interventions": [
        {
          "name": "Losartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "5 Years to 25 Years"
      },
      "enrollment_count": 1,
      "start_date": "2015-04",
      "completion_date": "2021-07",
      "has_results": true,
      "last_update_posted_date": "2024-04-03",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02373241"
    },
    {
      "nct_id": "NCT03815695",
      "title": "A SAD/MAD to Assess the Safety, PK/PD of FT-4202 in Healthy Volunteers and Sickle Cell Disease Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers",
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "FT-4202/Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forma Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 130,
      "start_date": "2018-12-11",
      "completion_date": "2021-12-17",
      "has_results": false,
      "last_update_posted_date": "2024-04-10",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 18,
      "location_summary": "Little Rock, Arkansas • Long Beach, California • Oakland, California + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03815695"
    },
    {
      "nct_id": "NCT01044901",
      "title": "Cardiovascular Complications of Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "MRI, Transthoracic Echocardiography, tonometry, EKG",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2009-03",
      "completion_date": "2021-02",
      "has_results": true,
      "last_update_posted_date": "2022-02-23",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01044901"
    },
    {
      "nct_id": "NCT05998824",
      "title": "COVID-19 Vaccination Hesitancy in Adults With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "COVID-19 Vaccine",
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "SCD-specific COVID-19 vaccination information (SCVI) video",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 33,
      "start_date": "2023-09-19",
      "completion_date": "2024-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-24",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05998824"
    },
    {
      "nct_id": "NCT07023666",
      "title": "Early Screening and Treatment of Heart Complication in Sickle Cell Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Deferoxamine",
          "type": "DRUG"
        },
        {
          "name": "Deferasirox",
          "type": "DRUG"
        },
        {
          "name": "Deferiprone",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography",
          "type": "DEVICE"
        },
        {
          "name": "Electrocardiogram (ECG)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Inova Health Care Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-10-07",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 2,
      "location_summary": "Fairfax, Virginia • Falls Church, Virginia",
      "locations": [
        {
          "city": "Fairfax",
          "state": "Virginia"
        },
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07023666"
    },
    {
      "nct_id": "NCT02372877",
      "title": "Evaluation of the AMICUS RBCx System in Sickle Cell Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "Amicus Red Cell Exchange in SCD patients",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Fenwal, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2015-05",
      "completion_date": "2018-01-19",
      "has_results": true,
      "last_update_posted_date": "2022-07-29",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Detroit, Michigan • St Louis, Missouri + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02372877"
    },
    {
      "nct_id": "NCT06539169",
      "title": "FLOWER: Following Longitudinal Outcomes With Epidemiology for Rare Diseases",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alpha-Thalassemia",
        "Beta-Thalassemia",
        "Amyloidosis",
        "Amyotrophic Lateral Sclerosis",
        "Creutzfeld-Jakob Disease",
        "Cystic Fibrosis",
        "Duchenne Muscular Dystrophy",
        "Early-Onset Alzheimer Disease",
        "Ehlers-Danlos Syndrome",
        "Huntington Disease",
        "Gaucher Disease",
        "GM1 Gangliosidosis",
        "Myasthenia Gravis",
        "Pompe Disease",
        "Sickle Cell Disease",
        "Transthyretin Amyloid Cardiomyopathy",
        "Rare Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "xCures",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2024-06-10",
      "completion_date": "2026-06-10",
      "has_results": false,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 1,
      "location_summary": "Los Altos, California",
      "locations": [
        {
          "city": "Los Altos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06539169"
    },
    {
      "nct_id": "NCT05833022",
      "title": "Patient Characteristics and Treatment Patterns From Early Crizanlizumab Use in Real-world Setting: Preliminary Analysis From Select Sickle Cell Centers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 297,
      "start_date": "2021-07-30",
      "completion_date": "2022-04-18",
      "has_results": false,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-05-21T23:44:44.408Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Wilmington, Delaware • St. Petersburg, Florida + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05833022"
    }
  ]
}