{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapsed%2FRefractory+Leukemia",
    "query": {
      "condition": "Relapsed/Refractory Leukemia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1523,
    "total_pages": 153,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapsed%2FRefractory+Leukemia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T03:10:13.856Z",
  "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": "NCT02665143",
      "title": "A Randomized Trial of a Combination of Nintedanib/Placebo in Combination With Induction Chemotherapy for Patients With Refractory or First Relapse Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Relapsed/Refractory Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Nintedanib and AML induction",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2016-07-21",
      "completion_date": "2021-03-30",
      "has_results": true,
      "last_update_posted_date": "2022-04-08",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Nashville, Tennessee",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02665143"
    },
    {
      "nct_id": "NCT00024440",
      "title": "Fludarabine and Cyclophosphamide With or Without Oblimersen in Treating Patients With Relapsed or Refractory Chronic Lymphocytic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "oblimersen sodium",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Genta Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2001-07",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2014-01-06",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 1,
      "location_summary": "Berkeley Heights, New Jersey",
      "locations": [
        {
          "city": "Berkeley Heights",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00024440"
    },
    {
      "nct_id": "NCT05564650",
      "title": "Navitoclax in Relapsed or Refractory High-Risk Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Myelodysplastic Syndrome",
        "Recurrent Myelodysplastic Syndrome",
        "Refractory Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Navitoclax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        },
        {
          "name": "Decitabine",
          "type": "DRUG"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "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": 6,
      "start_date": "2023-01-12",
      "completion_date": "2026-05-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05564650"
    },
    {
      "nct_id": "NCT06291220",
      "title": "A Study Assessing Adverse Event and How Oral ABBV-453 Moves Through the Body in Adult Participants With Relapsed or Refractory (R/R) Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Obinutuzumab",
          "type": "DRUG"
        },
        {
          "name": "ABBV-453",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2025-01-27",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 6,
      "location_summary": "Duarte, California • Irvine, California • Billings, Montana + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Billings",
          "state": "Montana"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06291220"
    },
    {
      "nct_id": "NCT01174888",
      "title": "Phase I Combination of Midostaurin, Bortezomib, and Chemo in Relapsed/Refractory Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Acute Myeloid Leukemia With Multilineage Dysplasia Following",
        "Myelodysplastic Syndrome",
        "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)",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Secondary Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "midostaurin",
          "type": "DRUG"
        },
        {
          "name": "Bortezomib",
          "type": "DRUG"
        },
        {
          "name": "mitoxantrone hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 34,
      "start_date": "2010-08",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01174888"
    },
    {
      "nct_id": "NCT00042341",
      "title": "Phase II Study of Clofarabine in Pediatric Acute Lymphoblastic Leukemia (ALL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia, Lymphoblastic, Acute, Pediatric"
      ],
      "interventions": [
        {
          "name": "clofarabine (IV formulation)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 60,
      "start_date": "2002-05",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2022-05-27",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Orange County, California • San Diego, California + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange County",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00042341"
    },
    {
      "nct_id": "NCT00873457",
      "title": "Perifosine in Relapsed or Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "perifosine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daphne Friedman",
      "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": "2009-08",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2013-05-27",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00873457"
    },
    {
      "nct_id": "NCT02159495",
      "title": "Genetically Modified T-cell Immunotherapy in Treating Patients With Relapsed/Refractory Acute Myeloid Leukemia and Persistent/Recurrent Blastic Plasmacytoid Dendritic Cell Neoplasm",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Acute Myeloid Leukemia in Remission",
        "Acute Biphenotypic Leukemia",
        "Early Relapse of Acute Myeloid Leukemia",
        "Late Relapse of Acute Myeloid Leukemia",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Secondary Acute Myeloid Leukemia",
        "Blastic Plasmacytoid Dendritic Cell Neoplasm",
        "Acute Myeloid Leukemia",
        "Adult Acute Lymphoblastic Leukemia",
        "Interleukin-3 Receptor Subunit Alpha Positive",
        "Minimal Residual Disease",
        "Refractory Acute Myeloid Leukemia",
        "Untreated Adult Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Autologous CD123CAR-CD28-CD3zeta-EGFRt-expressing T Lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "Allogeneic CD123CAR-CD28-CD3zeta-EGFRt-expressing T-lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2015-12-15",
      "completion_date": "2027-07-14",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02159495"
    },
    {
      "nct_id": "NCT00485966",
      "title": "Study Evaluating Effects of CX-3543 in Patients With Relapsed or Refractory B-Cell Chronic Lymphocytic Leukemia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "B-Cell Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "CX-3543",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cylene Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2007-06",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2008-11-05",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 7,
      "location_summary": "Scottsdale, Arizona • Beverly Hills, California • Albuquerque, New Mexico + 3 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00485966"
    },
    {
      "nct_id": "NCT02576301",
      "title": "Dose Escalation of OXi4503 as Single Agent and Combination With Cytarabine w/Subsequent Ph 2 Cohorts for AML and MDS",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Phase 1 - OXi4503",
          "type": "DRUG"
        },
        {
          "name": "Phase 1 - OXi4503 + cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Phase 2 - OXi4503 + cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mateon Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2015-10",
      "completion_date": "2020-10",
      "has_results": false,
      "last_update_posted_date": "2018-06-04",
      "last_synced_at": "2026-09-13T03:10:13.856Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Gainesville, Florida • Miami, Florida + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Westwood",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02576301"
    }
  ]
}