{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapse%2FRecurrence&page=4",
    "query": {
      "condition": "Relapse/Recurrence",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 3144,
    "total_pages": 315,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapse%2FRecurrence&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapse%2FRecurrence&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T11:42:08.977Z",
  "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": "NCT02715843",
      "title": "Extended Treatment Access Study of MT-3724 for Subjects With Relapsed Non-Hodgkin's B-Cell Lymphoma",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Non-Hodgkin's B-cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "MT-3724",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Molecular Templates, Inc.",
      "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": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2019-10-11",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 3,
      "location_summary": "Tucson, Arizona • New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02715843"
    },
    {
      "nct_id": "NCT07738185",
      "title": "The Impact of Post-Frenotomy Massages on Ankyloglossia Recurrence and Feeding Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ankyloglossia"
      ],
      "interventions": [
        {
          "name": "Post-frenotomy massage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Isaac Elijah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "Up to 1 Year"
      },
      "enrollment_count": 150,
      "start_date": "2025-01-27",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 1,
      "location_summary": "Boynton Beach, Florida",
      "locations": [
        {
          "city": "Boynton Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07738185"
    },
    {
      "nct_id": "NCT00006760",
      "title": "Combination Chemotherapy in Treating Children With Refractory or Relapsed Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "vinorelbine tartrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 66,
      "start_date": "2001-05",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2013-07-26",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 101,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 90 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006760"
    },
    {
      "nct_id": "NCT05972720",
      "title": "A Phase 2 Study of Firi-cel in Patients With Relapsed/Refractory Large B-cell Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer",
        "Relapsed/Refractory Large B-cell Lymphoma (LBCL)"
      ],
      "interventions": [
        {
          "name": "Fludarabine (Conditional therapy)",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide Monohydrate (Conditional therapy)",
          "type": "DRUG"
        },
        {
          "name": "firi-cel (Experimental drug)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CARGO Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2023-08-01",
      "completion_date": "2025-04-04",
      "has_results": false,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 31,
      "location_summary": "Little Rock, Arkansas • Duarte, California • Los Angeles, California + 24 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05972720"
    },
    {
      "nct_id": "NCT05330182",
      "title": "LMN-201 for Prevention of C. Difficile Infection Recurrence",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Clostridioides Difficile Infection"
      ],
      "interventions": [
        {
          "name": "LMN-201",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lumen Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 375,
      "start_date": "2024-08-29",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 15,
      "location_summary": "Escondido, California • Hamden, Connecticut • Tampa, Florida + 12 more",
      "locations": [
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Hamden",
          "state": "Connecticut"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Burr Ridge",
          "state": "Illinois"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05330182"
    },
    {
      "nct_id": "NCT06892678",
      "title": "DFMO Maintenance for Patients With Relapsed/Refractory Ewing Sarcoma or Osteosarcoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteosarcoma Recurrent",
        "Ewing's Tumor Recurrent"
      ],
      "interventions": [
        {
          "name": "DFMO",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "Up to 39 Years"
      },
      "enrollment_count": 15,
      "start_date": "2025-04-07",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06892678"
    },
    {
      "nct_id": "NCT04155424",
      "title": "A Study of the Safety and Activity of Eculizumab in Pediatric Participants With Relapsing Neuromyelitis Optica Spectrum Disorder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Neuromyelitis Optica",
        "Neuromyelitis Optica Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Eculizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 5,
      "start_date": "2020-01-14",
      "completion_date": "2023-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-09-25",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 15,
      "location_summary": "San Francisco, California • Washington D.C., District of Columbia • Miami, Florida + 11 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155424"
    },
    {
      "nct_id": "NCT01678443",
      "title": "Monoclonal Antibody Therapy Before Stem Cell Transplant in Treating Patients With Relapsed or Refractory Lymphoid Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Nasal Type Extranodal NK/T-cell Lymphoma",
        "Anaplastic Large Cell Lymphoma",
        "Angioimmunoblastic T-cell Lymphoma",
        "Cutaneous B-cell Non-Hodgkin Lymphoma",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Hepatosplenic T-cell Lymphoma",
        "Intraocular Lymphoma",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Noncutaneous Extranodal Lymphoma",
        "Peripheral T-cell Lymphoma",
        "Recurrent Adult Burkitt Lymphoma",
        "Recurrent Adult Diffuse Large Cell Lymphoma",
        "Recurrent Adult Diffuse Mixed Cell Lymphoma",
        "Recurrent Adult Diffuse Small Cleaved Cell Lymphoma",
        "Recurrent Adult Grade III Lymphomatoid Granulomatosis",
        "Recurrent Adult Hodgkin Lymphoma",
        "Recurrent Adult Immunoblastic Large Cell Lymphoma",
        "Recurrent Adult Lymphoblastic Lymphoma",
        "Recurrent Adult T-cell Leukemia/Lymphoma",
        "Recurrent Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Recurrent Mycosis Fungoides/Sezary Syndrome",
        "Recurrent Small Lymphocytic Lymphoma",
        "Refractory Hairy Cell Leukemia",
        "Small Intestine Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "T-cell Large Granular Lymphocyte Leukemia",
        "Testicular Lymphoma",
        "Waldenström Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "indium In 111 anti-CD45 monoclonal antibody BC8",
          "type": "BIOLOGICAL"
        },
        {
          "name": "yttrium Y 90 anti-CD45 monoclonal antibody BC8",
          "type": "RADIATION"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION",
        "PROCEDURE"
      ],
      "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": 2,
      "start_date": "1999-09-01",
      "completion_date": "2018-09-27",
      "has_results": true,
      "last_update_posted_date": "2021-04-02",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01678443"
    },
    {
      "nct_id": "NCT02137889",
      "title": "Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of VAY736 in Relapsed or Refractory CLL Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Relapsed or Refractory Chronic Lymphocytic Leukemia (CLL)"
      ],
      "interventions": [
        {
          "name": "VAY736",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2012-07",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2018-02-28",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02137889"
    },
    {
      "nct_id": "NCT05798897",
      "title": "Safety and Preliminary Efficacy of MT-601 in Patients With Relapsed/Refractory Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-Hodgkin Lymphoma, Adult",
        "Non-Hodgkin Lymphoma, Refractory",
        "Non-Hodgkin Lymphoma, Relapsed",
        "Non Hodgkin Lymphoma",
        "Hodgkin Lymphoma",
        "Hodgkin Lymphoma, Adult",
        "Hodgkin's Lymphoma, Relapsed, Adult"
      ],
      "interventions": [
        {
          "name": "MT-601",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Marker Therapeutics, Inc.",
      "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": 79,
      "start_date": "2023-01-02",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-11-01T11:42:08.977Z",
      "location_count": 7,
      "location_summary": "Duarte, California • Aurora, Colorado • Denver, Colorado + 4 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05798897"
    }
  ]
}