{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?page=2&sponsor=Epizyme%2C+Inc.",
    "query": {
      "sponsor": "Epizyme, Inc.",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 27,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=3&sponsor=Epizyme%2C+Inc.&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=1&sponsor=Epizyme%2C+Inc.&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T01:28:05.932Z",
  "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": "NCT05121103",
      "title": "A Study of the Safety, Tolerability and Effectiveness of EZM0414 (IPN60210) Investigative Product in Participants With Relapsed/Refractory Multiple Myeloma and Relapsed/Refractory Diffuse Large B Cell Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Multiple Myeloma, Refractory",
        "Diffuse Large B-Cell Lymphoma",
        "Diffuse Large B Cell Lymphoma Refractory",
        "Multiple Myeloma in Relapse"
      ],
      "interventions": [
        {
          "name": "EZM0414",
          "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": 13,
      "start_date": "2022-05-31",
      "completion_date": "2024-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-06-22",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 8,
      "location_summary": "Duarte, California • East Brunswick, New Jersey • New York, New York + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "East Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05121103"
    },
    {
      "nct_id": "NCT03837678",
      "title": "Epithelioid Sarcoma Natural History Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epithelioid Sarcoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Epizyme, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2018-06-04",
      "completion_date": "2021-09-02",
      "has_results": false,
      "last_update_posted_date": "2024-03-07",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 5,
      "location_summary": "Denver, Colorado • Boston, Massachusetts • Ann Arbor, Michigan + 2 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03837678"
    },
    {
      "nct_id": "NCT04204941",
      "title": "Tazemetostat in Combination With Doxorubicin as Frontline Therapy for Advanced Epithelioid Sarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Soft-tissue Sarcoma",
        "Advanced Epithelioid Sarcoma"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin HCl",
          "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": 25,
      "start_date": "2019-12-19",
      "completion_date": "2024-06-14",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 18,
      "location_summary": "Duarte, California • Santa Monica, California • Aurora, Colorado + 13 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04204941"
    },
    {
      "nct_id": "NCT04762160",
      "title": "SYMPHONY-2, A Trial to Examine Combination of Tazemetostat With Rituximab in Subjects With Relapsed/Refractory Follicular Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        },
        {
          "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": 5,
      "start_date": "2020-12-15",
      "completion_date": "2022-03-22",
      "has_results": true,
      "last_update_posted_date": "2024-03-25",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Fountain Valley, California • Boulder, Colorado + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Niles",
          "state": "Illinois"
        },
        {
          "city": "Rolling Meadows",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04762160"
    },
    {
      "nct_id": "NCT04624113",
      "title": "Tazemetostat and Pembrolizumab in Patients With Pembrolizumab- or Nivolumab-Resistant, Recurrent or Metastatic Head and Neck Squamous-Cell Carcinoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2021-04-14",
      "completion_date": "2024-02-17",
      "has_results": false,
      "last_update_posted_date": "2024-02-21",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04624113"
    },
    {
      "nct_id": "NCT03028103",
      "title": "Open-Label, Multicenter, Two-Part, Phase 1 Study to Characterize Effects of a Moderate CYP3A Inhibitor on PK of Tazemetostat, Effects of Tazemetostat on PK of CYP2C8 and CYP2C19 Substrates, and Effect of Increased Gastric pH on PK of Tazemetostat in B-cell Lymphoma or Advanced Solid Tumor Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diffuse Large B Cell Lymphoma",
        "Primary Mediastinal Lymphoma",
        "Mantle Cell Lymphoma",
        "Advanced Solid Tumor",
        "Marginal Zone Lymphoma"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        },
        {
          "name": "Fluconazole",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Repaglinide",
          "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": 32,
      "start_date": "2017-03-27",
      "completion_date": "2019-11-29",
      "has_results": true,
      "last_update_posted_date": "2023-06-26",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 3,
      "location_summary": "Tucson, Arizona • Tampa, Florida • New York, New York",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03028103"
    },
    {
      "nct_id": "NCT02601937",
      "title": "EZH2 Inhibitor Tazemetostat in Pediatric Subjects With Relapsed or Refractory INI1-Negative Tumors or Synovial Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rhabdoid Tumors",
        "INI1-negative Tumors",
        "Synovial Sarcoma",
        "Malignant Rhabdoid Tumor of Ovary"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Epizyme, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 109,
      "start_date": "2016-01-07",
      "completion_date": "2021-10-22",
      "has_results": true,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 17,
      "location_summary": "Los Angeles, California • San Francisco, California • Aurora, Colorado + 13 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02601937"
    },
    {
      "nct_id": "NCT05934838",
      "title": "A Feasibility Trial of Tazemetostat Plus CAR T Cell Therapy in B-cell Lymphomas",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Follicular Lymphoma",
        "B-Cell Lymphoma",
        "Mantle Cell Lymphoma",
        "Diffuse Large B Cell Lymphoma"
      ],
      "interventions": [
        {
          "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": 15,
      "start_date": "2023-10-04",
      "completion_date": "2031-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05934838"
    },
    {
      "nct_id": "NCT02601950",
      "title": "A Study of Tazemetostat in Adult Participants With Soft Tissue Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Rhabdoid Tumors (MRT)",
        "Rhabdoid Tumors of the Kidney (RTK)",
        "Atypical Teratoid Rhabdoid Tumors (ATRT)",
        "Selected Tumors With Rhabdoid Features",
        "Synovial Sarcoma",
        "INI1-negative Tumors",
        "Malignant Rhabdoid Tumor of Ovary",
        "Renal Medullary Carcinoma",
        "Epithelioid Sarcoma",
        "Poorly Differentiated Chordoma (or Other Chordoma With Sponsor Approval)",
        "Any Solid Tumor With an EZH2 GOF Mutation"
      ],
      "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": 267,
      "start_date": "2015-12-22",
      "completion_date": "2024-02-26",
      "has_results": true,
      "last_update_posted_date": "2025-06-22",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 14,
      "location_summary": "San Francisco, California • Aurora, Colorado • Jacksonville, Florida + 9 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02601950"
    },
    {
      "nct_id": "NCT05407441",
      "title": "Tazemetostat+Nivo/Ipi in INI1-Neg/SMARCA4-Def Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Atypical Teratoid Rhabdoid Tumor",
        "INI1 (SMARCB1)-Deficient Primary CNS Malignant Tumors",
        "SMARCA4-deficient Primary CNS Malignant Tumors",
        "Malignant Rhabdoid Tumor (MRT)",
        "Rhabdoid Tumor of the Kidney (RTK)",
        "Epithelioid Sarcoma",
        "Chordoma"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Susan Chi, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Months to 21 Years"
      },
      "enrollment_count": 49,
      "start_date": "2023-08-10",
      "completion_date": "2029-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-10T01:28:05.932Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Houston, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05407441"
    }
  ]
}