{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Beta+Thalassemia&page=5",
    "query": {
      "condition": "Beta Thalassemia",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 115,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Beta+Thalassemia&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Beta+Thalassemia&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T20:37:49.195Z",
  "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": "NCT04770779",
      "title": "A Study Evaluating the Efficacy and Safety of Mitapivat in Participants With Transfusion-Dependent Alpha- or Beta-Thalassemia (α- or β-TDT)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Transfusion-dependent Alpha-Thalassemia",
        "Transfusion-dependent Beta-Thalassemia"
      ],
      "interventions": [
        {
          "name": "Placebo Matching Mitapivat",
          "type": "DRUG"
        },
        {
          "name": "Mitapivat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Agios Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 258,
      "start_date": "2021-11-30",
      "completion_date": "2029-06",
      "has_results": true,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-10-12T20:37:49.195Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Oakland, California + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04770779"
    },
    {
      "nct_id": "NCT00061750",
      "title": "Safety & Efficacy of ICL670 vs. Deferoxamine in Beta-thalassemia Patients With Iron Overload Due to Blood Transfusions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Beta-Thalassemia"
      ],
      "interventions": [
        {
          "name": "ICL670",
          "type": "DRUG"
        },
        {
          "name": "deferoxamine",
          "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": 595,
      "start_date": "2003-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-04-19",
      "last_synced_at": "2026-10-12T20:37:49.195Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • Oakland, California • Stanford, California + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00061750"
    },
    {
      "nct_id": "NCT06539169",
      "title": "FLOWER: Following Longitudinal Outcomes With Epidemiology for Rare Diseases",
      "overall_status": "UNKNOWN",
      "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": "2026-10-12T20:37:49.195Z",
      "location_count": 1,
      "location_summary": "Los Altos, California",
      "locations": [
        {
          "city": "Los Altos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06539169"
    },
    {
      "nct_id": "NCT01186419",
      "title": "Safety and Pharmacodynamic Study of an Oral Iron Chelator Given for 6 Months to Patients With Iron Overload",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Transfusional Iron Overload",
        "Beta-thalassemia"
      ],
      "interventions": [
        {
          "name": "SPD602 (FBS0701, SSP-004184)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 51,
      "start_date": "2010-08-13",
      "completion_date": "2013-01-08",
      "has_results": true,
      "last_update_posted_date": "2021-06-10",
      "last_synced_at": "2026-10-12T20:37:49.195Z",
      "location_count": 2,
      "location_summary": "Oakland, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01186419"
    },
    {
      "nct_id": "NCT04872179",
      "title": "International Registry of Patients With Alpha Thalassemia",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alpha-Thalassemia",
        "Alpha Thalassemia Major",
        "Alpha Thalassemia Minor"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 500,
      "start_date": "2017-01",
      "completion_date": "2037-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-12T20:37:49.195Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04872179"
    },
    {
      "nct_id": "NCT03282656",
      "title": "Gene Transfer for Sickle Cell Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "single infusion of autologous bone marrow derived CD34+ HSC cells transduced with the lentiviral vector containing a short-hairpin RNA targeting BCL11a",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "David Williams",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "3 Years to 40 Years"
      },
      "enrollment_count": 10,
      "start_date": "2018-02-13",
      "completion_date": "2026-11-13",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-10-12T20:37:49.195Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03282656"
    },
    {
      "nct_id": "NCT04678037",
      "title": "Home-based Assessment of PRO Measures in SCD Using A Smartphone App Platform: A Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Hemoglobin C",
        "Sickle Beta Zero Thalassemia",
        "Sickle B+ Thalassemia"
      ],
      "interventions": [
        {
          "name": "PROs assessment using sickle cell disease mobile app (SCD-app)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "12 Years to 25 Years"
      },
      "enrollment_count": 40,
      "start_date": "2017-04-04",
      "completion_date": "2019-07-21",
      "has_results": false,
      "last_update_posted_date": "2020-12-21",
      "last_synced_at": "2026-10-12T20:37:49.195Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04678037"
    },
    {
      "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": "2026-10-12T20:37:49.195Z",
      "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": "NCT06271512",
      "title": "A Study of Participants with Β-Thalassemia Treated with Betibeglogene Autotemcel",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Beta-Thalassemia"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Genetix Biotherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150,
      "start_date": "2024-01-23",
      "completion_date": "2043-12",
      "has_results": false,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-10-12T20:37:49.195Z",
      "location_count": 6,
      "location_summary": "Oakland, California • Palo Alto, California • Minneapolis, Minnesota + 3 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06271512"
    },
    {
      "nct_id": "NCT04675645",
      "title": "Adherence to HU and HRQOL in Patients With Sickle Cell Disease: An Intervention Study Using HU-Go App",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle B+ Thalassemia",
        "Sickle Beta Zero Thalassemia",
        "Sickle Cell Hemoglobin C"
      ],
      "interventions": [
        {
          "name": "HU-Go app",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "12 Years to 25 Years"
      },
      "enrollment_count": 33,
      "start_date": "2018-05-15",
      "completion_date": "2020-07-11",
      "has_results": false,
      "last_update_posted_date": "2021-07-29",
      "last_synced_at": "2026-10-12T20:37:49.195Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04675645"
    }
  ]
}