{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Leukemia&q=relapsed+refractory",
    "query": {
      "q": "relapsed refractory",
      "condition": "Leukemia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1825,
    "total_pages": 183,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Leukemia&q=relapsed+refractory&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T13:08:38.138Z",
  "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": "NCT02419755",
      "title": "Bortezomib and Vorinostat in Younger Patients With Refractory or Relapsed MLL Rearranged Hematologic Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mixed Lineage Acute Leukemia",
        "Acute Myeloid Leukemia",
        "Acute Lymphoid Leukemia"
      ],
      "interventions": [
        {
          "name": "Bortezomib",
          "type": "DRUG"
        },
        {
          "name": "Vorinostat",
          "type": "DRUG"
        },
        {
          "name": "Mitoxantrone",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Hydrocortisone",
          "type": "DRUG"
        },
        {
          "name": "Peg-L-Asparaginase",
          "type": "DRUG"
        },
        {
          "name": "Erwinia L-Asparaginase",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Mercaptopurine",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 12,
      "start_date": "2015-04-14",
      "completion_date": "2016-12-31",
      "has_results": true,
      "last_update_posted_date": "2018-03-07",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02419755"
    },
    {
      "nct_id": "NCT02258555",
      "title": "Safety, Pharmacodynamics, Pharmacokinetics, and Efficacy of GS-9901 in Adults With Relapsed or Refractory Follicular Lymphoma, Marginal Zone Lymphoma, Chronic Lymphocytic Leukemia, or Small Lymphocytic Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Follicular Lymphoma",
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma",
        "Marginal Zone Lymphoma"
      ],
      "interventions": [
        {
          "name": "GS-9901",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2015-01",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2015-10-19",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 6,
      "location_summary": "Duarte, California • Fresno, California • Whittier, California + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Southington",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02258555"
    },
    {
      "nct_id": "NCT01429025",
      "title": "Rituximab, Bendamustine Hydrochloride, and Lenalidomide in Treating Patients With Refractory or Relapsed Indolent Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Refractory/Relapsed Indolent Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "bendamustine",
          "type": "DRUG"
        },
        {
          "name": "lenalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2012-05",
      "completion_date": "2019-07-01",
      "has_results": false,
      "last_update_posted_date": "2019-10-08",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 17,
      "location_summary": "Clive, Iowa • Des Moines, Iowa • Sioux City, Iowa + 3 more",
      "locations": [
        {
          "city": "Clive",
          "state": "Iowa"
        },
        {
          "city": "Clive",
          "state": "Iowa"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01429025"
    },
    {
      "nct_id": "NCT04049383",
      "title": "CAR-20/19-T Cells in Patients With Relapsed/Refractory B Cell ALL",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia, in Relapse",
        "Acute Lymphoblastic Leukemia With Failed Remission",
        "Acute Lymphoblastic Leukemia Recurrent",
        "Acute Lymphoblastic Leukemia Not Having Achieved Remission",
        "Acute Lymphoblastic Leukemia, Pediatric",
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "CAR-20/19-T cells (5 x 10^5 CAR-20/19-T cells/kg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CAR-20/19-T cells (1 x10^6 CAR-20/19-T cells/kg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CAR-20/19-T cells (2.5 x10^6 CAR-20/19-T cells/kg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CAR-20/19-T cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "1 Year to 70 Years"
      },
      "enrollment_count": 5,
      "start_date": "2020-10-16",
      "completion_date": "2025-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04049383"
    },
    {
      "nct_id": "NCT01607645",
      "title": "Decitabine Followed by Idarubicin and Cytarabine in Treating Patients With Relapsed or Refractory AML and MDS",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adult Acute Megakaryoblastic Leukemia (M7)",
        "Adult Acute Monoblastic Leukemia (M5a)",
        "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 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)",
        "Previously Treated Myelodysplastic Syndromes",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Refractory Anemia With Excess Blasts"
      ],
      "interventions": [
        {
          "name": "decitabine",
          "type": "DRUG"
        },
        {
          "name": "idarubicin",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fred Hutchinson 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": 7,
      "start_date": "2012-07",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2017-03-31",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01607645"
    },
    {
      "nct_id": "NCT00002880",
      "title": "Etoposide in Treating Patients With Relapsed Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Etoposide phosphate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 53,
      "start_date": "1996-11",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2016-06-28",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 4,
      "location_summary": "Minneapolis, Minnesota • St Louis, Missouri • Paterson, New Jersey + 1 more",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Paterson",
          "state": "New Jersey"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002880"
    },
    {
      "nct_id": "NCT03144245",
      "title": "Study of AMV564 in Patients With AML",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "AMV564",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AMV564 in combination with pembrolizumab",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Amphivena Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2017-03-20",
      "completion_date": "2020-11-05",
      "has_results": false,
      "last_update_posted_date": "2021-10-12",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 10,
      "location_summary": "San Francisco, California • Chicago, Illinois • Baltimore, Maryland + 7 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Hawthorne",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03144245"
    },
    {
      "nct_id": "NCT00462761",
      "title": "A Phase I Study of AC220 in Patients With Relapsed/Refractory Acute Myeloid Leukemia Regardless of FLT3 Status",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Leukemia",
        "Myelodysplastic Syndrome",
        "AML",
        "MDS"
      ],
      "interventions": [
        {
          "name": "AC220",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daiichi Sankyo",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2007-01",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2020-05-11",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Omaha, Nebraska • Houston, Texas",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00462761"
    },
    {
      "nct_id": "NCT01681537",
      "title": "Lenalidomide Plus Chemotherapy for AML",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Mitoxantrone",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 36,
      "start_date": "2012-09",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01681537"
    },
    {
      "nct_id": "NCT00499239",
      "title": "A Trial of GS-9219 in Chronic Lymphocytic Leukemia (CLL), Non-Hodgkin's Lymphoma (NHL) or Multiple Myeloma (MM)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Non-Hodgkin's Lymphoma",
        "Chronic Lymphocytic Leukemia",
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "GS-9219",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2007-07",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2014-02-04",
      "last_synced_at": "2026-07-24T13:08:38.138Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • Chicago, Illinois • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00499239"
    }
  ]
}