{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Anemia+With+Ring+Sideroblasts&page=3",
    "query": {
      "condition": "Refractory Anemia With Ring Sideroblasts",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 71,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Anemia+With+Ring+Sideroblasts&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Anemia+With+Ring+Sideroblasts&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T21:12:49.975Z",
  "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": "NCT00119366",
      "title": "Iodine I 131 Monoclonal Antibody BC8, Fludarabine Phosphate, Total Body Irradiation, and Donor Stem Cell Transplant Followed by Cyclosporine and Mycophenolate Mofetil in Treating Patients With Advanced Acute Myeloid Leukemia or Myelodysplastic Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities",
        "Adult Acute Myeloid Leukemia With Del(5q)",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(15;17)(q22;q12)",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)",
        "Childhood Myelodysplastic Syndromes",
        "Chronic Myelomonocytic Leukemia",
        "Previously Treated Myelodysplastic Syndromes",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia",
        "Refractory Anemia With Excess Blasts",
        "Refractory Anemia With Excess Blasts in Transformation",
        "Refractory Anemia With Ringed Sideroblasts",
        "Refractory Cytopenia With Multilineage Dysplasia",
        "Secondary Acute Myeloid Leukemia",
        "Secondary Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "iodine I 131 monoclonal antibody BC8",
          "type": "RADIATION"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "total-body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "16 Years to 50 Years"
      },
      "enrollment_count": 18,
      "start_date": "2003-05",
      "completion_date": "2019-05-08",
      "has_results": true,
      "last_update_posted_date": "2022-12-12",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00119366"
    },
    {
      "nct_id": "NCT00006239",
      "title": "Phenylbutyrate and Tretinoin in Treating Patients With Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "sodium phenylbutyrate",
          "type": "DRUG"
        },
        {
          "name": "tretinoin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": null,
      "start_date": "2000-12",
      "completion_date": "2005-03",
      "has_results": false,
      "last_update_posted_date": "2017-09-29",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006239"
    },
    {
      "nct_id": "NCT00024050",
      "title": "Chemotherapy and Peripheral Stem Cell Transplantation in Treating Patients With Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "Up to 65 Years"
      },
      "enrollment_count": null,
      "start_date": "2001-02",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2010-05-13",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00024050"
    },
    {
      "nct_id": "NCT00361296",
      "title": "Vaccine Therapy in Treating Patients With Myelodysplastic Syndromes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "K562/GM-CSF cell vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "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": "2007-09",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2023-03-23",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00361296"
    },
    {
      "nct_id": "NCT00619645",
      "title": "Donor Peripheral Stem Cell Transplant, Fludarabine, and Busulfan in Treating Patients With Hematologic Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, Davis",
      "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": 8,
      "start_date": "2007-06",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2018-01-10",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00619645"
    },
    {
      "nct_id": "NCT00104806",
      "title": "Arsenic Trioxide and Cholecalciferol (Vitamin D) in Treating Patients With Myelodysplastic Syndromes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms"
      ],
      "interventions": [
        {
          "name": "cholecalciferol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "arsenic trioxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "Up to 120 Years"
      },
      "enrollment_count": 5,
      "start_date": "2004-11",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2018-08-10",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00104806"
    },
    {
      "nct_id": "NCT00997243",
      "title": "Azacitidine and Lintuzumab in Treating Patients With Previously Untreated Myelodysplastic Syndromes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "lintuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "5-azacytidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Alison Walker",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2009-11",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00997243"
    },
    {
      "nct_id": "NCT00398047",
      "title": "Azacitidine, Darbepoetin Alfa, and Erythropoietin and Filgastrim (G-CSF) in Treating Patients With Myelodysplastic Syndromes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Azacitadine and Hematopoietic Growth Factors",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "Up to 120 Years"
      },
      "enrollment_count": 3,
      "start_date": "2006-09",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2018-09-06",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00398047"
    },
    {
      "nct_id": "NCT02566304",
      "title": "Reduced Intensity Chemotherapy and Radiation Therapy Before Donor Stem Cell Transplant in Treating Patients With Hematologic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Acute Myeloid Leukemia in Remission",
        "Aplastic Anemia",
        "Chronic Myelomonocytic Leukemia",
        "Hodgkin Lymphoma",
        "Indolent Non-Hodgkin Lymphoma",
        "Malignant Neoplasm",
        "Myelodysplastic Syndrome",
        "Myeloproliferative Neoplasm",
        "Plasma Cell Myeloma",
        "Refractory Anemia",
        "Refractory Anemia With Excess Blasts",
        "Refractory Anemia With Ring Sideroblasts",
        "Refractory Cytopenia With Multilineage Dysplasia",
        "Refractory Cytopenia With Multilineage Dysplasia and Ring Sideroblasts"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "T Cell-Depleted Donor Lymphocyte Infusion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2015-11-13",
      "completion_date": "2024-02-13",
      "has_results": true,
      "last_update_posted_date": "2025-04-24",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02566304"
    },
    {
      "nct_id": "NCT00392353",
      "title": "Vorinostat and Azacitidine in Treating Patients With Myelodysplastic Syndromes or Acute Myeloid Leukemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Erythroid Leukemia",
        "Acute Megakaryoblastic Leukemia",
        "Acute Myeloid Leukemia Arising From Previous Myelodysplastic Syndrome",
        "Chronic Myelomonocytic Leukemia",
        "Myelodysplastic Syndrome",
        "Myelodysplastic Syndrome With Excess Blasts",
        "Myelodysplastic Syndrome With Ring Sideroblasts",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Refractory Anemia"
      ],
      "interventions": [
        {
          "name": "Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Vorinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 135,
      "start_date": "2006-11-22",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-10-02T21:12:49.975Z",
      "location_count": 7,
      "location_summary": "Chicago, Illinois • Baltimore, Maryland • Manhasset, New York + 2 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00392353"
    }
  ]
}