{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tazverik",
    "query": {
      "intervention": "Tazverik"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tazverik&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T01:54:46.926Z",
  "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": "NCT01897571",
      "title": "Study of Tazemetostat as Single Agent in Solid Tumors or B-cell Lymphomas and in Combination With Prednisolone in DLBCL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "B-cell Lymphomas (Phase 1)",
        "Advanced Solid Tumors (Phase 1)",
        "Diffuse Large B-cell Lymphoma (Phase 2)",
        "Follicular Lymphoma (Phase 2)",
        "Transformed Follicular Lymphoma",
        "Primary Mediastinal Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        },
        {
          "name": "Prednisolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Epizyme, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2013-06-13",
      "completion_date": "2021-11-02",
      "has_results": true,
      "last_update_posted_date": "2024-03-26",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Duarte, California • Santa Barbara, California + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01897571"
    },
    {
      "nct_id": "NCT04224493",
      "title": "A Study to Assess the Efficacy, Safety, Pharmacodynamics, and Pharmacokinetics of Tazemetostat in Combination With Lenalidomide Plus Rituximab Versus Placebo in Combination With Lenalidomide Plus Rituximab in Adult Patients at Least 18 Years of Age With Relapsed/Refractory Follicular Lymphoma.",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsed/Refractory Follicular Lymphoma",
        "Follicular Lymphoma",
        "Refractory Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        },
        {
          "name": "Lenalidomide",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Rituximab",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Epizyme, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 599,
      "start_date": "2020-06-11",
      "completion_date": "2029-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 57,
      "location_summary": "Mobile, Alabama • Tucson, Arizona • Cerritos, California + 47 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04224493"
    },
    {
      "nct_id": "NCT05618366",
      "title": "Tazemetostat and Venetoclax in Relapsed/Refractory Non-Hodgkin Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lymphoma, Non-Hodgkin",
        "Diffuse Large B Cell Lymphoma",
        "Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Venetoclax",
          "type": "DRUG"
        },
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2023-06-07",
      "completion_date": "2026-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05618366"
    },
    {
      "nct_id": "NCT02875548",
      "title": "A Study to Assess Long-term Safety of Tazemetostat in Adult Participants of All Ages With Any Disease Treated With Tazemetostat in a Previous Clinical Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-cell Lymphoma (DLBCL)",
        "Follicular Lymphoma (FL)",
        "Synovial Sarcoma",
        "Epitheliod Sarcoma (ES)",
        "Mesothelioma",
        "Advanced Solid Tumors",
        "Renal Medullary Carcinoma",
        "Non-Hodgkin Lymphoma (NHL)"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Epizyme, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2016-08-30",
      "completion_date": "2025-09-26",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 11,
      "location_summary": "Tucson, Arizona • Santa Fe, California • Port Saint Lucie, Florida + 7 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Santa Fe",
          "state": "California"
        },
        {
          "city": "Port Saint Lucie",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02875548"
    },
    {
      "nct_id": "NCT05567679",
      "title": "A Study of Tazemetostat (Tazverik) Before Prostatectomy in Men With Prostate Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Tazverik",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Edwin Posadas, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2023-12",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2023-09-22",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05567679"
    },
    {
      "nct_id": "NCT05994235",
      "title": "Tazemetostat and Mosunetuzumab in Untreated Follicular Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Mosunetuzumab",
          "type": "DRUG"
        },
        {
          "name": "Tazemetostat Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2023-11-01",
      "completion_date": "2033-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05994235"
    },
    {
      "nct_id": "NCT05551936",
      "title": "A Study of Tazemetostat With Rituximab and Abbreviated Bendamustine in the Frontline Treatment of High Tumor Burden Follicular Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Bendamustine",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vaishalee Kenkre",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2023-01-26",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 5,
      "location_summary": "Chicago, Illinois • New Brunswick, New Jersey • Columbus, Ohio + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05551936"
    },
    {
      "nct_id": "NCT04917042",
      "title": "Tazemetostat in Malignant Peripheral Nerve Sheath Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Peripheral Nerve Sheath Tumor"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "12 Years to 99 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-08-25",
      "completion_date": "2026-12",
      "has_results": true,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04917042"
    },
    {
      "nct_id": "NCT04241835",
      "title": "A Study to Compare the Blood Levels and Safety of Tazemetostat in Participants With Advanced Cancer and Moderate/Severe Liver Impairment to Participants With Advanced Cancer and Normal Liver Function",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatic Impairment",
        "Advanced Malignant Solid Tumor"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Epizyme, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2020-01-15",
      "completion_date": "2025-03-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 8,
      "location_summary": "Lake Mary, Florida • Chicago, Illinois • Royal Oak, Michigan + 5 more",
      "locations": [
        {
          "city": "Lake Mary",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04241835"
    },
    {
      "nct_id": "NCT05353439",
      "title": "Testing of Tazemetostat in Combination With Topotecan and Pembrolizumab in Patients With Recurrent Small Cell Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Extensive Stage Lung Small Cell Carcinoma",
        "Limited Stage Lung Small Cell Carcinoma",
        "Platinum-Resistant Lung Small Cell Carcinoma",
        "Platinum-Sensitive Lung Small Cell Carcinoma",
        "Recurrent Extensive Stage Lung Small Cell Carcinoma",
        "Recurrent Lung Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tazemetostat Hydrobromide",
          "type": "DRUG"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2022-07-27",
      "completion_date": "2027-03-13",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-09-28T01:54:46.926Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Newport Beach, California • Sacramento, California + 9 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05353439"
    }
  ]
}