{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transfusion+Dependent+Beta+Thalassemia",
    "query": {
      "condition": "Transfusion Dependent Beta Thalassemia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Transfusion+Dependent+Beta+Thalassemia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T09:01:38.822Z",
  "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": "NCT04770753",
      "title": "A Study Evaluating the Efficacy and Safety of Mitapivat in Participants With Non-Transfusion-Dependent Alpha- or Beta-Thalassemia (α- or β-NTDT)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Non-Transfusion-dependent Alpha-Thalassemia",
        "Non-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": 194,
      "start_date": "2021-12-20",
      "completion_date": "2028-12",
      "has_results": true,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 6,
      "location_summary": "La Jolla, California • Palo Alto, California • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04770753"
    },
    {
      "nct_id": "NCT01709032",
      "title": "Combination Deferasirox and Deferiprone for Severe Iron Overload in Thalassemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Thalassemia Major With Severe Transfusional Iron Overload"
      ],
      "interventions": [
        {
          "name": "Deferasirox and deferiprone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2012-09",
      "completion_date": "2017-08-01",
      "has_results": true,
      "last_update_posted_date": "2019-03-06",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01709032"
    },
    {
      "nct_id": "NCT02906202",
      "title": "A Study Evaluating the Efficacy and Safety of the LentiGlobin® BB305 Drug Product in Participants With Transfusion-Dependent β-Thalassemia, Who do Not Have a β0/β0 Genotype",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Beta-Thalassemia"
      ],
      "interventions": [
        {
          "name": "LentiGlobin BB305 Drug Product",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Genetix Biotherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "0 Years to 50 Years"
      },
      "enrollment_count": 24,
      "start_date": "2016-08-08",
      "completion_date": "2022-03-31",
      "has_results": true,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Chicago, Illinois • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02906202"
    },
    {
      "nct_id": "NCT03342404",
      "title": "A Study to Determine the Efficacy and Safety of Luspatercept in Adults With Non Transfusion Dependent Beta (β)-Thalassemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thalassemia"
      ],
      "interventions": [
        {
          "name": "Luspatercept",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Best Supportive Care (BSC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 145,
      "start_date": "2018-02-05",
      "completion_date": "2022-11-28",
      "has_results": true,
      "last_update_posted_date": "2023-12-20",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Oakland, California • Chicago, Illinois",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03342404"
    },
    {
      "nct_id": "NCT03207009",
      "title": "A Study Evaluating the Efficacy and Safety of the LentiGlobin® BB305 Drug Product in Participants With Transfusion-Dependent β-Thalassemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Beta-Thalassemia"
      ],
      "interventions": [
        {
          "name": "LentiGlobin BB305 Drug Product",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Genetix Biotherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "0 Years to 50 Years"
      },
      "enrollment_count": 19,
      "start_date": "2017-06-08",
      "completion_date": "2022-11-15",
      "has_results": true,
      "last_update_posted_date": "2024-03-07",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Chicago, Illinois • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03207009"
    },
    {
      "nct_id": "NCT02633943",
      "title": "Long-term Follow-up of Subjects With Transfusion-Dependent β-Thalassemia (TDT) Treated With Ex Vivo Gene Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transfusion-dependent Beta-Thalassemia"
      ],
      "interventions": [
        {
          "name": "Safety and efficacy assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Genetix Biotherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "0 Years to 50 Years"
      },
      "enrollment_count": 66,
      "start_date": "2014-01",
      "completion_date": "2035-11",
      "has_results": false,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 6,
      "location_summary": "Oakland, California • Chicago, Illinois • Bethesda, Maryland + 3 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02633943"
    },
    {
      "nct_id": "NCT00578292",
      "title": "Allogeneic Stem Cell Transplantation, Severe Homzygous 0/+Thalassemia or Sever Variants of Beta 0/+ Thalassemia, THALLO",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thalassemia"
      ],
      "interventions": [
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Campath 1H",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "MESNA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "Up to 64 Years"
      },
      "enrollment_count": 10,
      "start_date": "2004-02",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2020-05-01",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00578292"
    },
    {
      "nct_id": "NCT06364774",
      "title": "ALS20-101 Lentiviral Gene Therapy for Beta Thalassemia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Beta-Thalassemia"
      ],
      "interventions": [
        {
          "name": "ALS20",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 12,
      "start_date": "2025-04-14",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06364774"
    },
    {
      "nct_id": "NCT04432623",
      "title": "The BENeFiTS Trial in Beta Thalassemia Intermedia",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Beta Thalassemia Intermedia",
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Benserazide Only Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Phoenicia BioScience",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2020-10-05",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-08-15",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 4,
      "location_summary": "Oakland, California • Boston, Massachusetts • Weston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Weston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04432623"
    },
    {
      "nct_id": "NCT04987489",
      "title": "A Study of Etavopivat in Patients With Thalassemia or Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia"
      ],
      "interventions": [
        {
          "name": "Etavopivat tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forma Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 53,
      "start_date": "2022-03-28",
      "completion_date": "2025-09-24",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-07-24T09:01:38.822Z",
      "location_count": 14,
      "location_summary": "Cerritos, California • Los Angeles, California • Oakland, California + 9 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04987489"
    }
  ]
}