{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Recurrent%2C+Refractory%2C+or+High+Risk+Leukemias&page=4",
    "query": {
      "condition": "Recurrent, Refractory, or High Risk Leukemias",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 137,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Recurrent%2C+Refractory%2C+or+High+Risk+Leukemias&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Recurrent%2C+Refractory%2C+or+High+Risk+Leukemias&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T09:13:22.026Z",
  "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": "NCT00588991",
      "title": "Veliparib and Topotecan With or Without Carboplatin in Treating Patients With Relapsed or Refractory Acute Leukemia, High-Risk Myelodysplasia, or Aggressive Myeloproliferative Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Acute Megakaryoblastic Leukemia",
        "Adult Acute Monoblastic Leukemia",
        "Adult Acute Monocytic Leukemia",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13.1q22); CBFB-MYH11",
        "Adult Acute Myeloid Leukemia With Maturation",
        "Adult Acute Myeloid Leukemia With Minimal Differentiation",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13.1;q22); CBFB-MYH11",
        "Adult Acute Myeloid Leukemia With t(8;21); (q22; q22.1); RUNX1-RUNX1T1",
        "Adult Acute Myeloid Leukemia With t(9;11)(p21.3;q23.3); MLLT3-KMT2A",
        "Adult Acute Myeloid Leukemia Without Maturation",
        "Adult Acute Myelomonocytic Leukemia",
        "Adult Erythroleukemia",
        "Adult Pure Erythroid Leukemia",
        "Chronic Myeloid Leukemia, Philadelphia Chromosome Negative, BCR-ABL1 Positive",
        "Chronic Myelomonocytic Leukemia",
        "De Novo Myelodysplastic Syndrome",
        "Essential Thrombocythemia",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Myelodysplastic Syndrome",
        "Polycythemia Vera",
        "Recurrent Adult Acute Lymphoblastic Leukemia",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Secondary Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Veliparib",
          "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": 12,
      "start_date": "2008-02-04",
      "completion_date": "2016-11-16",
      "has_results": false,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Rochester, Minnesota",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00588991"
    },
    {
      "nct_id": "NCT00101296",
      "title": "Tipifarnib in Treating Patients With Relapsed or Refractory Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukemia With Multilineage Dysplasia Following Myelodysplastic Syndrome",
        "Adult Acute Erythroid Leukemia (M6)",
        "Adult Acute Megakaryoblastic Leukemia (M7)",
        "Adult Acute Minimally Differentiated Myeloid Leukemia (M0)",
        "Adult Acute Monoblastic Leukemia (M5a)",
        "Adult Acute Monoblastic Leukemia and Acute Monocytic Leukemia (M5)",
        "Adult Acute Monocytic Leukemia (M5b)",
        "Adult Acute Myeloblastic Leukemia With Maturation (M2)",
        "Adult Acute Myeloblastic Leukemia Without Maturation (M1)",
        "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(16;16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)",
        "Adult Acute Myelomonocytic Leukemia (M4)",
        "Adult Erythroleukemia (M6a)",
        "Adult Pure Erythroid Leukemia (M6b)",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Untreated Adult Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "tipifarnib",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "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": 30,
      "start_date": "2004-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-04",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00101296"
    },
    {
      "nct_id": "NCT03670966",
      "title": "211At-BC8-B10 Followed by Donor Stem Cell Transplant in Treating Patients With Relapsed or Refractory High-Risk Acute Leukemia or Myelodysplastic Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia in Remission",
        "Acute Myeloid Leukemia Arising From Previous Myelodysplastic Syndrome",
        "Acute Myeloid Leukemia in Remission",
        "Chronic Myelomonocytic Leukemia",
        "Myelodysplastic Syndrome With Excess Blasts",
        "Recurrent Acute Lymphoblastic Leukemia",
        "Recurrent Acute Myeloid Leukemia",
        "Refractory Acute Lymphoblastic Leukemia",
        "Refractory Acute Myeloid Leukemia",
        "Recurrent Mixed Phenotype Acute Leukemia",
        "Refractory Mixed Phenotype Acute Leukemia",
        "Hematopoietic and Lymphoid Cell Neoplasm"
      ],
      "interventions": [
        {
          "name": "Astatine At 211 Anti-CD45 Monoclonal Antibody BC8-B10",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Recombinant Granulocyte Colony-Stimulating Factor",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-07-10",
      "completion_date": "2029-10-20",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03670966"
    },
    {
      "nct_id": "NCT00002588",
      "title": "Combination Chemotherapy in Treating Patients With Recurrent or Refractory Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "1994-08",
      "completion_date": "2001-01",
      "has_results": false,
      "last_update_posted_date": "2010-06-11",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002588"
    },
    {
      "nct_id": "NCT05010122",
      "title": "ASTX727, Venetoclax, and Gilteritinib for the Treatment of Newly Diagnosed, Relapsed or Refractory FLT3-Mutated Acute Myeloid Leukemia or High-Risk Myelodysplastic Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Myelodysplastic Syndrome",
        "Recurrent Acute Myeloid Leukemia",
        "Refractory Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Decitabine and Cedazuridine",
          "type": "DRUG"
        },
        {
          "name": "Gilteritinib",
          "type": "DRUG"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2021-07-08",
      "completion_date": "2028-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05010122"
    },
    {
      "nct_id": "NCT05829226",
      "title": "A Phase 1 Study With LYT-200 in Patients With Relapsed/Refractory Acute Myeloid Leukemia (AML), or With Relapsed/Refractory, High-risk Myelodysplastic Syndrome (MDS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "AML, Adult Recurrent",
        "MDS"
      ],
      "interventions": [
        {
          "name": "LYT-200",
          "type": "DRUG"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        },
        {
          "name": "Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Decitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "PureTech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2022-12-12",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Orange, California • Miami, Florida + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05829226"
    },
    {
      "nct_id": "NCT00077558",
      "title": "3-AP Followed By Fludarabine In Treating Patients With Relapsed or Refractory Acute or Chronic Leukemia or High-Risk Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "triapine",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2004-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-03-10",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Baltimore, Maryland • Houston, Texas",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00077558"
    },
    {
      "nct_id": "NCT00004907",
      "title": "Chemotherapy and Radiation Therapy Plus Bone Marrow or Peripheral Stem Cell Transplantation in Treating Patients With Relapsed or Refractory T-cell Lymphoma, Hodgkin's Lymphoma, or Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "bone marrow ablation with stem cell support",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "15 Years to 60 Years"
      },
      "enrollment_count": null,
      "start_date": "1999-10",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2012-06-12",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004907"
    },
    {
      "nct_id": "NCT03160079",
      "title": "Blinatumomab & Pembrolizumab for Adults With Relapsed/Refractory B-cell ALL With High Marrow Lymphoblasts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "B-Cell Acute Lymphoblastic Leukemia, Adult"
      ],
      "interventions": [
        {
          "name": "blinatumomab",
          "type": "DRUG"
        },
        {
          "name": "pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2017-08-04",
      "completion_date": "2023-06-23",
      "has_results": true,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 4,
      "location_summary": "Clovis, California • La Jolla, California • Orange, California + 1 more",
      "locations": [
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03160079"
    },
    {
      "nct_id": "NCT01027000",
      "title": "Donor Stem Cell Transplant in Treating Patients With High-Risk Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "sirolimus",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "allogeneic stem cell transplant",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 68,
      "start_date": "2010-02",
      "completion_date": "2023-04",
      "has_results": true,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-10-13T09:13:22.026Z",
      "location_count": 25,
      "location_summary": "Duarte, California • Lewes, Delaware • Newark, Delaware + 18 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Lewes",
          "state": "Delaware"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01027000"
    }
  ]
}