{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapse+Leukemia&page=42",
    "query": {
      "condition": "Relapse Leukemia",
      "page": 42
    },
    "page_size": 10
  },
  "pagination": {
    "page": 42,
    "page_size": 10,
    "total_count": 1826,
    "total_pages": 183,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapse+Leukemia&page=43&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapse+Leukemia&page=41&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-09T10:19:45.981Z",
  "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": "NCT00317642",
      "title": "A Study of Clofarabine and Cytarabine for Older Patients With Relapsed or Refractory Acute Myelogenous Leukemia (AML)(CLASSIC I)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "clofarabine (IV formulation)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 326,
      "start_date": "2006-08",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2014-04-14",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 41,
      "location_summary": "Scottsdale, Arizona • Tucson, Arizona • Little Rock, Arkansas + 34 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00317642"
    },
    {
      "nct_id": "NCT04079296",
      "title": "A Study Investigating the Safety, Tolerability and Efficacy of ASP7517 in Subjects With Relapsed/Refractory Acute Myeloid Leukemia (AML) and Relapsed/Refractory Higher Risk Myelodysplastic Syndrome (MDS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia (AML)",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "ASP7517",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2019-09-19",
      "completion_date": "2023-04-21",
      "has_results": true,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 3,
      "location_summary": "Duarte, California • Pembroke Pines, Florida • New York, New York",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04079296"
    },
    {
      "nct_id": "NCT00121186",
      "title": "S0501 Fludarabine, Melphalan, and Donor Stem Cell Transplant Followed By Tacrolimus and Methotrexate in Treating Patients for Relapsed Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2005-07",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2012-04-03",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 33,
      "location_summary": "Maywood, Illinois • Beech Grove, Indiana • Richmond, Indiana + 20 more",
      "locations": [
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Beech Grove",
          "state": "Indiana"
        },
        {
          "city": "Richmond",
          "state": "Indiana"
        },
        {
          "city": "Chanute",
          "state": "Kansas"
        },
        {
          "city": "Dodge City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00121186"
    },
    {
      "nct_id": "NCT00787761",
      "title": "Early Administration of ATG Followed by Cyclophosphamide, Busulfan and Fludarabine Before a Donor Stem Cell Transplant in Patients With Hematological Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myeloproliferative Disorders",
        "Kidney Cancer",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "nonmyeloablative allogeneic HSCT",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Northside Hospital, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "Up to 75 Years"
      },
      "enrollment_count": 24,
      "start_date": "2007-04",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2012-10-01",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00787761"
    },
    {
      "nct_id": "NCT02545283",
      "title": "A Study of Idasanutlin With Cytarabine Versus Cytarabine Plus Placebo in Participants With Relapsed or Refractory Acute Myeloid Leukemia (AML)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Leukemia, Myeloid, Acute"
      ],
      "interventions": [
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Idasanutlin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 447,
      "start_date": "2015-12-30",
      "completion_date": "2020-04-24",
      "has_results": true,
      "last_update_posted_date": "2022-01-11",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 7,
      "location_summary": "Great Neck, New York • Hawthorne, New York • New York, New York + 3 more",
      "locations": [
        {
          "city": "Great Neck",
          "state": "New York"
        },
        {
          "city": "Hawthorne",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02545283"
    },
    {
      "nct_id": "NCT01657682",
      "title": "A Phase II Study of Crenolanib in Relapsed/Refractory Acute Myeloid Leukemia Patients With FLT3 Activating Mutations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia With FLT3 Activating Mutations That Has Relapsed or Been Refractory After One or More Prior Therapies"
      ],
      "interventions": [
        {
          "name": "Crenolanib besylate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Arog Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2012-10",
      "completion_date": "2019-04",
      "has_results": true,
      "last_update_posted_date": "2023-11-30",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01657682"
    },
    {
      "nct_id": "NCT00089050",
      "title": "Gemtuzumab Ozogamicin and Cyclosporine in Treating Older Patients With Relapsed Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "gemtuzumab ozogamicin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2004-05",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2011-11-30",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00089050"
    },
    {
      "nct_id": "NCT07133997",
      "title": "Recombinant Erwinia Asparaginase and Venetoclax in Combination With Blinatumomab for the Treatment of Relapsed or Refractory CD19 Positive B-cell Acute Lymphoblastic Leukemia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent B Acute Lymphoblastic Leukemia",
        "Refractory B Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Asparaginase Erwinia chrysanthemi",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Blinatumomab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "12 Years to 55 Years"
      },
      "enrollment_count": 26,
      "start_date": "2026-05-13",
      "completion_date": "2028-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07133997"
    },
    {
      "nct_id": "NCT05961696",
      "title": "A Phase I Study of Mosunetuzumab for Relapsed or Refractory B-Cell Acute Lymphoblastic Leukemia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Refractory B-cell Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Mosunetuzumab",
          "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": 0,
      "start_date": "2023-07-05",
      "completion_date": "2023-10-03",
      "has_results": false,
      "last_update_posted_date": "2023-10-10",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05961696"
    },
    {
      "nct_id": "NCT00049179",
      "title": "S0117 Gemtuzumab Ozogamicin Plus Cytarabine in Treating Patients With Relapsed Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "gemtuzumab ozogamicin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2003-04",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-11-09T10:19:45.981Z",
      "location_count": 151,
      "location_summary": "Berkeley, California • Burlingame, California • Greenbrae, California + 95 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Burlingame",
          "state": "California"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00049179"
    }
  ]
}