{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Central+Nervous+System+Lymphoma&page=4",
    "query": {
      "condition": "Refractory Central Nervous System Lymphoma",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 148,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Central+Nervous+System+Lymphoma&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Central+Nervous+System+Lymphoma&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T18:29:34.334Z",
  "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": "NCT00073944",
      "title": "BCX-1777 in Treating Patients With Refractory Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "forodesine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioCryst Pharmaceuticals",
      "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": "2003-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-05-30",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00073944"
    },
    {
      "nct_id": "NCT00003073",
      "title": "Chemotherapy in Treating Young Patients With Recurrent or Refractory Meningeal Leukemia, Lymphoma, or Solid Tumors",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Leukemia",
        "Lymphoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "liposomal cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 15,
      "start_date": "1997-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-03-23",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Stanford, California • Dallas, Texas + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003073"
    },
    {
      "nct_id": "NCT07104032",
      "title": "IGNITE: Study of Tirabrutinib vs Rituximab/Temozolomide for Relapsed/Refractory Primary Central Nervous System Lymphoma (PCNSL)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsed/Refractory Primary Central Nervous System Lymphoma"
      ],
      "interventions": [
        {
          "name": "Tirabrutinib",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ono Pharmaceutical Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2026-06-12",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 24,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Fullerton, California + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07104032"
    },
    {
      "nct_id": "NCT04239092",
      "title": "9-ING-41 in Pediatric Patients With Refractory Malignancies.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Refractory Cancer",
        "Refractory Neoplasm",
        "Cancer Pediatric",
        "Refractory Tumor",
        "Pediatric Cancer",
        "Pediatric Brain Tumor",
        "Neuroblastoma",
        "Neuroblastoma Recurrent",
        "Pediatric Lymphoma",
        "Pediatric Meningioma",
        "Diffuse Intrinsic Pontine Glioma"
      ],
      "interventions": [
        {
          "name": "9-ING-41",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Topotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Actuate Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "Up to 22 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-06-05",
      "completion_date": "2025-07-07",
      "has_results": false,
      "last_update_posted_date": "2025-07-17",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 9,
      "location_summary": "San Francisco, California • Aurora, Colorado • Chicago, Illinois + 6 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239092"
    },
    {
      "nct_id": "NCT01235793",
      "title": "The Addition of Temozolomide to Conditioning for Autologous Transplantation in Relapsed & Refractory CNS Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "B-Cell Lymphoma Originating in the CNS"
      ],
      "interventions": [
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical 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": 11,
      "start_date": "2010-10-14",
      "completion_date": "2018-04-18",
      "has_results": true,
      "last_update_posted_date": "2018-11-20",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01235793"
    },
    {
      "nct_id": "NCT01647971",
      "title": "Study of the Efficacy and Safety of Ublituximab in Patients With Relapsed or Refractory B-cell Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Non-Hodgkins Lymphoma",
        "B-cell Lymphoma",
        "Waldenstrom's Macroglobulinemia",
        "Marginal Zone Lymphoma",
        "Chronic Lymphocytic Leukemia (CLL)",
        "Small Lymphocytic Lymphoma (SLL)",
        "Primary Central Nervous System Lymphoma"
      ],
      "interventions": [
        {
          "name": "Ublituximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "TG 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": 39,
      "start_date": "2012-07-19",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2022-11-21",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 8,
      "location_summary": "Huntsville, Alabama • Jonesboro, Arkansas • Athens, Georgia + 5 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Athens",
          "state": "Georgia"
        },
        {
          "city": "Macon",
          "state": "Georgia"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01647971"
    },
    {
      "nct_id": "NCT00899951",
      "title": "Studying Fentanyl in Patients With Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Lymphoproliferative Disorder",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Pain",
        "Precancerous Condition",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "fentanyl citrate",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 2,
      "start_date": "2007-10",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2013-04-18",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00899951"
    },
    {
      "nct_id": "NCT04421560",
      "title": "Pembrolizumab, Ibrutinib and Rituximab in PCNSL",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Primary Central Nervous System Lymphoma",
        "Recurrent Cancer",
        "Refractory Cancer",
        "Relapsed Cancer"
      ],
      "interventions": [
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber 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": 37,
      "start_date": "2020-08-01",
      "completion_date": "2027-01-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421560"
    },
    {
      "nct_id": "NCT00512460",
      "title": "RTA 744 Injection in Patients With Leptomeningeal Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplastic Meningitis",
        "Solid Tumor",
        "Lymphoma",
        "Leukemia",
        "Brain Tumor"
      ],
      "interventions": [
        {
          "name": "RTA 744",
          "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": 7,
      "start_date": "2006-09",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2016-05-16",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00512460"
    },
    {
      "nct_id": "NCT03451825",
      "title": "Phase I/II Study of Avelumab in Pediatric Cancer Participants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Refractory or Relapsed Solid Tumors",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EMD Serono Research & Development Institute, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "0 Years to 18 Years"
      },
      "enrollment_count": 21,
      "start_date": "2018-03-07",
      "completion_date": "2021-07-27",
      "has_results": true,
      "last_update_posted_date": "2024-06-24",
      "last_synced_at": "2026-10-04T18:29:34.334Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • The Bronx, New York",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03451825"
    }
  ]
}