{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Anemia&page=6",
    "query": {
      "condition": "Refractory Anemia",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 335,
    "total_pages": 34,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Anemia&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Anemia&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T02:16:55.857Z",
  "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": "NCT04409080",
      "title": "REGN7257 in Adult Patients With Severe Aplastic Anemia That Is Refractory to or Relapsed on Immunosuppressive Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Severe Aplastic Anemia (SAA)"
      ],
      "interventions": [
        {
          "name": "REGN7257",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2021-01-13",
      "completion_date": "2024-10-17",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio • Houston, Texas",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04409080"
    },
    {
      "nct_id": "NCT05004259",
      "title": "The Safety of Repurposing Daratumumab for Relapsed or Refractory Autoimmune Antibody Mediated Hemolytic Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hemolytic Anemia"
      ],
      "interventions": [
        {
          "name": "Daratumumab / Hyaluronidase Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2022-03-21",
      "completion_date": "2024-09-21",
      "has_results": false,
      "last_update_posted_date": "2025-03-30",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05004259"
    },
    {
      "nct_id": "NCT03682536",
      "title": "A Study to Compare the Efficacy and Safety of Luspatercept (ACE-536) Versus Epoetin Alfa for the Treatment of Anemia Due to IPSS-R Very Low, Low, or Intermediate Risk Myelodysplastic Syndromes (MDS) Participants Who Require Red Blood Cell Transfusions and Are ESA Naïve",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Luspatercept",
          "type": "DRUG"
        },
        {
          "name": "Epoetin alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 363,
      "start_date": "2019-01-02",
      "completion_date": "2027-09-28",
      "has_results": true,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 25,
      "location_summary": "Berkeley, California • San Diego, California • Whittier, California + 22 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03682536"
    },
    {
      "nct_id": "NCT00065260",
      "title": "Rabbit Antithymocyte Globulin Versus Campath-1H for Treating Severe Aplastic Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Aplastic Anemia"
      ],
      "interventions": [
        {
          "name": "Campath-1H",
          "type": "DRUG"
        },
        {
          "name": "r-ATG",
          "type": "DRUG"
        },
        {
          "name": "CsA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2003-11-06",
      "completion_date": "2016-02-05",
      "has_results": true,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00065260"
    },
    {
      "nct_id": "NCT00003662",
      "title": "Umbilical Cord Blood Transplantation in Treating Patients With Hematologic Cancer or Other Hematologic or Metabolic Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Graft Versus Host Disease",
        "Leukemia",
        "Myelodysplastic Syndromes",
        "Thymic Carcinoma"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "umbilical cord blood transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 90,
      "start_date": "1998-08",
      "completion_date": "2001-01",
      "has_results": false,
      "last_update_posted_date": "2011-03-07",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 15,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida • Tampa, Florida + 11 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003662"
    },
    {
      "nct_id": "NCT00597714",
      "title": "Efficacy Study of T Cell Depleted Allogeneic Non-myeloablative Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hodgkin's Disease",
        "Non Hodgkin's Lymphoma",
        "Myeloma",
        "Leukemia",
        "Myelodysplasia"
      ],
      "interventions": [
        {
          "name": "Non-myeloablative Stem Cell Transplantation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "David Rizzieri, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 264,
      "start_date": "2008-02",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2014-06-02",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00597714"
    },
    {
      "nct_id": "NCT00425477",
      "title": "Bexarotene and GM-CSF in Treating Patients With Myelodysplastic Syndrome or Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "bexarotene",
          "type": "DRUG"
        },
        {
          "name": "cytogenetic analysis",
          "type": "GENETIC"
        },
        {
          "name": "fluorescence in situ hybridization",
          "type": "GENETIC"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 26,
      "start_date": "2006-11",
      "completion_date": "2016-09-30",
      "has_results": true,
      "last_update_posted_date": "2018-10-05",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00425477"
    },
    {
      "nct_id": "NCT01012492",
      "title": "Pilot of Abatacept-based Immunosuppression for Prevention of Acute GvHD During Unrelated Donor HCT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "AML",
        "ALL",
        "Undifferentiated Leukemia",
        "Biphenotypic Leukemia",
        "Refractory Anemia",
        "Refractory Anemia With Ringed Sideroblasts",
        "Refractory Cytopenia With Multilineage Dysplasia",
        "Ref. Cytopenia w Multilineage Dysplasia & Ringed Sideroblasts",
        "Refractory Anemia With Excess Blasts-1 (5-10% Blasts)",
        "Refractory Anemia With Excess Blasts-2 (10-20% Blasts)",
        "Myelodysplastic Syndrome, Unclassified",
        "MDS Associated With Isolated Del (5q)"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2009-11",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2019-11-21",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01012492"
    },
    {
      "nct_id": "NCT00017550",
      "title": "Antithymocyte Globulin Compared With Supportive Care in Treating Patients With Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": null,
      "start_date": "2000-09",
      "completion_date": "2003-11",
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 25,
      "location_summary": "Washington D.C., District of Columbia • Gainesville, Florida • Miami, Florida + 19 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00017550"
    },
    {
      "nct_id": "NCT04269889",
      "title": "Treatment of Refractory Diamond-Blackfan Anemia With Eltrombopag",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Anemia, Diamond-Blackfan"
      ],
      "interventions": [
        {
          "name": "Eltrombopag",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2020-12-01",
      "completion_date": "2024-02-16",
      "has_results": true,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-10-21T02:16:55.857Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04269889"
    }
  ]
}