{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapsed+or+Refractory&page=5",
    "query": {
      "condition": "Relapsed or Refractory",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 2517,
    "total_pages": 252,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapsed+or+Refractory&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapsed+or+Refractory&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T23:39:10.771Z",
  "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": "NCT04751383",
      "title": "Testing the Combination of Two Immunotherapy Drugs (Magrolimab and Dinutuximab) in Patients With Relapsed or Refractory Neuroblastoma or Relapsed Osteosarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "High Risk Neuroblastoma",
        "Recurrent Neuroblastoma",
        "Recurrent Osteosarcoma",
        "Refractory Neuroblastoma",
        "Resectable Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dinutuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Magrolimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Resection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "2 Years to 35 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-08-31",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04751383"
    },
    {
      "nct_id": "NCT02927769",
      "title": "A Study of Nivolumab Plus Brentuximab Vedotin in Patients Between 5 and 30 Years Old, With Hodgkin's Lymphoma (cHL), Relapsed or Refractory From First Line Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hodgkin Disease"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "brentuximab vedotin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "bendamustine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "5 Years to 30 Years"
      },
      "enrollment_count": 72,
      "start_date": "2017-03-28",
      "completion_date": "2024-05-28",
      "has_results": true,
      "last_update_posted_date": "2025-02-10",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Loma Linda, California + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02927769"
    },
    {
      "nct_id": "NCT02677324",
      "title": "Study of ABT-199 (GDC-199) In Patients With Relapsed Or Refractory Waldenström Macroglobulinemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Waldenstrom Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "ABT199",
          "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": 33,
      "start_date": "2016-05-09",
      "completion_date": "2022-02-07",
      "has_results": true,
      "last_update_posted_date": "2022-05-11",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 4,
      "location_summary": "Duarte, California • Palo Alto, California • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02677324"
    },
    {
      "nct_id": "NCT04007029",
      "title": "Modified Immune Cells (CD19/CD20 CAR-T Cells) in Treating Patients With Recurrent or Refractory B-Cell Lymphoma or Chronic Lymphocytic Leukemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "CD19 Positive",
        "CD20 Positive",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Primary Mediastinal (Thymic) Large B-Cell Cell Lymphoma",
        "Recurrent Small Lymphocytic Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Diffuse Large B-Cell Lymphoma",
        "Refractory Follicular Lymphoma",
        "Refractory Mantle Cell Lymphoma",
        "Refractory Primary Mediastinal (Thymic) Large B-Cell Cell Lymphoma",
        "Refractory Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Chimeric Antigen Receptor T-Cell Therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Tocilizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "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": 24,
      "start_date": "2019-10-04",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04007029"
    },
    {
      "nct_id": "NCT00469859",
      "title": "Lestaurtinib, Cytarabine, and Idarubicin in Treating Younger Patients With Relapsed or Refractory Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "idarubicin",
          "type": "DRUG"
        },
        {
          "name": "lestaurtinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "1 Year to 30 Years"
      },
      "enrollment_count": 14,
      "start_date": "2007-06",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2017-03-15",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Orange, California • Washington D.C., District of Columbia + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00469859"
    },
    {
      "nct_id": "NCT05075603",
      "title": "Relapsed/Refractory Large B-cell Lymphoma With NT-I7 Post-CD19 CAR T-cell Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Refractory Diffuse Large B-cell Lymphoma",
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "High-grade B-cell Lymphoma",
        "DLBCL Arising From Follicular Lymphoma",
        "Primary Mediastinal Large B-cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Efineptakin alfa",
          "type": "DRUG"
        },
        {
          "name": "Tisagenlecleucel",
          "type": "DRUG"
        },
        {
          "name": "Axicabtagene ciloleucel",
          "type": "DRUG"
        },
        {
          "name": "Lisocabtagene Maraleucel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeoImmuneTech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2021-07-29",
      "completion_date": "2025-03-12",
      "has_results": true,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 3,
      "location_summary": "Duarte, California • St Louis, Missouri • Durham, North Carolina",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05075603"
    },
    {
      "nct_id": "NCT04094961",
      "title": "Ixazomib + Pomalidomide + Dexamethasone In MM",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Multiple Myeloma in Relapse"
      ],
      "interventions": [
        {
          "name": "Ixazomib",
          "type": "DRUG"
        },
        {
          "name": "Pomalidomide",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Omar Nadeem, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2019-09-18",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04094961"
    },
    {
      "nct_id": "NCT03690869",
      "title": "REGN2810 in Pediatric Patients With Relapsed, Refractory Solid, or Central Nervous System (CNS) Tumors and Safety and Efficacy of REGN2810 in Combination With Radiotherapy in Pediatric Patients With Newly Diagnosed or Recurrent Glioma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Relapsed Solid Tumor",
        "Refractory Solid Tumor",
        "Relapsed Central Nervous System Tumor",
        "Refractory Central Nervous System Tumor",
        "Diffuse Intrinsic Pontine Glioma",
        "High Grade Glioma"
      ],
      "interventions": [
        {
          "name": "cemiplimab (monotherapy)",
          "type": "DRUG"
        },
        {
          "name": "cemiplimab (maintenance)",
          "type": "DRUG"
        },
        {
          "name": "Conventional or hypofractionated",
          "type": "RADIATION"
        },
        {
          "name": "Re-irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "Up to 25 Years"
      },
      "enrollment_count": 57,
      "start_date": "2018-09-24",
      "completion_date": "2023-05-10",
      "has_results": true,
      "last_update_posted_date": "2025-04-08",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 20,
      "location_summary": "Los Angeles, California • San Diego, California • San Francisco, California + 15 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03690869"
    },
    {
      "nct_id": "NCT02939183",
      "title": "Phase 1b Study Evaluating OPomD in Relapsed or Refractory Multiple Myeloma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Relapsed or Refractory Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Immediate Release (IR) Formulation",
          "type": "DRUG"
        },
        {
          "name": "Gastro-Retentive (GR) Formulation",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Pomalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 61,
      "start_date": "2017-01-17",
      "completion_date": "2022-10-06",
      "has_results": true,
      "last_update_posted_date": "2024-09-26",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 13,
      "location_summary": "West Hollywood, California • Tampa, Florida • Atlanta, Georgia + 10 more",
      "locations": [
        {
          "city": "West Hollywood",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02939183"
    },
    {
      "nct_id": "NCT01453205",
      "title": "A Phase 2, Multicenter, Randomized, Open-label Study of MEDI-551 in Adults With Relapsed or Refractory Diffuse Large B-Cell Lymphoma (DLBCL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "MEDI-551 2 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "ICE",
          "type": "DRUG"
        },
        {
          "name": "DHAP",
          "type": "DRUG"
        },
        {
          "name": "Autologous Stem Cell Transplant (ASCT)",
          "type": "PROCEDURE"
        },
        {
          "name": "MEDI-551 4 mg/kg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 187,
      "start_date": "2012-02-27",
      "completion_date": "2016-07-11",
      "has_results": true,
      "last_update_posted_date": "2018-03-12",
      "last_synced_at": "2026-10-17T23:39:10.771Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Burbank, California • Palm Springs, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01453205"
    }
  ]
}