{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Anemia+With+Ringed+Sideroblasts&page=2",
    "query": {
      "condition": "Refractory Anemia With Ringed Sideroblasts",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Anemia+With+Ringed+Sideroblasts&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T21:35:32.921Z",
  "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": "NCT00015990",
      "title": "Thalidomide in Treating Patients With Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Myelomonocytic Leukemia",
        "de Novo Myelodysplastic Syndromes",
        "Previously Treated Myelodysplastic Syndromes",
        "Refractory Anemia",
        "Refractory Anemia With Excess Blasts",
        "Refractory Anemia With Excess Blasts in Transformation",
        "Refractory Anemia With Ringed Sideroblasts",
        "Secondary Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "thalidomide",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "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": 29,
      "start_date": "2001-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-24",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00015990"
    },
    {
      "nct_id": "NCT00003959",
      "title": "Vaccine Therapy in Treating Patients With Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "ras peptide cancer vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "sargramostim",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "1999-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-16",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003959"
    },
    {
      "nct_id": "NCT00002746",
      "title": "Interleukin-2 in Treating Patients With Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms"
      ],
      "interventions": [
        {
          "name": "aldesleukin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "15 Years to 120 Years"
      },
      "enrollment_count": 24,
      "start_date": "1996-01",
      "completion_date": "2004-04",
      "has_results": false,
      "last_update_posted_date": "2019-02-27",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002746"
    },
    {
      "nct_id": "NCT00003171",
      "title": "Bryostatin 1 in Treating Patients With Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "bryostatin 1",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Barbara Ann Karmanos 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": null,
      "start_date": "1998-05",
      "completion_date": "2003-06",
      "has_results": false,
      "last_update_posted_date": "2013-04-05",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003171"
    },
    {
      "nct_id": "NCT00003361",
      "title": "Decitabine in Treating Patients With Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "decitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "1998-04",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2013-06-26",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003361"
    },
    {
      "nct_id": "NCT00262873",
      "title": "Bortezomib in Treating Patients With Myelodysplastic Syndromes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "bortezomib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2005-05",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2016-05-09",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00262873"
    },
    {
      "nct_id": "NCT00104962",
      "title": "Lenalidomide in Treating Young Patients With Relapsed or Refractory Solid Tumors or Myelodysplastic Syndromes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Childhood Myelodysplastic Syndromes",
        "de Novo Myelodysplastic Syndromes",
        "Previously Treated Myelodysplastic Syndromes",
        "Refractory Anemia",
        "Refractory Anemia With Excess Blasts",
        "Refractory Anemia With Ringed Sideroblasts",
        "Refractory Cytopenia With Multilineage Dysplasia",
        "Secondary Myelodysplastic Syndromes",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "lenalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 24,
      "start_date": "2005-03",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2014-06-11",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 1,
      "location_summary": "Arcadia, California",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00104962"
    },
    {
      "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": "2026-05-21T21:35:32.921Z",
      "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": "NCT00016419",
      "title": "S0020 Immunosuppressive Therapy in Treating Patients With Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2001-08",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 94,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 60 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00016419"
    },
    {
      "nct_id": "NCT00096096",
      "title": "Tacrolimus and Mycophenolate Mofetil in Preventing Acute Graft-Versus-Host Disease in Patients With Advanced Hematologic Cancer Who Are Undergoing Donor Stem Cell Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": "2004-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-05-13",
      "last_synced_at": "2026-05-21T21:35:32.921Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00096096"
    }
  ]
}