On December 2, 2021 Epizyme, Inc. (Nasdaq: EPZM), a fully integrated, commercial-stage biopharmaceutical company developing and delivering transformative therapies against novel epigenetic targets, reported that new data from across its oncology portfolio will be presented at the upcoming 63rd American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting, taking place from December 11 to 14, 2021 in Atlanta, Georgia (Press release, Epizyme, DEC 2, 2021, View Source [SID1234596413]). These presentations include trial design and data from combination studies evaluating tazemetostat in follicular lymphoma, as well as new preclinical data on EZM0414, the Company’s novel, first-in-class, oral SETD2 inhibitor, an investigational agent being evaluated for the treatment of adult patients with relapsed or refractory multiple myeloma or with diffuse large B-cell lymphoma (DLBCL).

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"We look forward to sharing the latest data from our growing oncology portfolio with the hematology community at this year’s meeting, including updated data from the Phase 1b portion of our Phase 1b/3 confirmatory study, SYMPHONY-1, which is evaluating the safety and optimal dose of tazemetostat plus Revlimid and Rituximab (R2). We will also be presenting preclinical data for EZM0414, our novel, first-in-class, oral SETD2 inhibitor development candidate; these data provided the rationale for our Phase 1/1b study with EZM0414, and we will be sharing the trial design in a "Trial-In-Progress" poster as well," said Dr. Shefali Agarwal, Executive Vice President and Chief Medical and Development Officer. "These data will add to our knowledge of the important role epigenetics plays in B-cell malignancies, and we are excited about the potential that targeting epigenetic regulators may hold for patients living with blood cancers."

Details of the poster presentations are listed below:

TAZEMETOSTAT

Tazemetostat is a first-in-class, oral, selective inhibitor of EZH2, which is an epigenetic regulator of B-cell identity and plays a role in both normal B-cell biology and the pathogenesis of follicular lymphoma. The interim data analysis being presented highlights the potential of tazemetostat as a backbone of combination therapies for patients living with follicular lymphoma, and includes updated safety run-in data from the Phase 1b portion of the confirmatory SYMPHONY-1 study, in addition to study follow-up on 40 patients treated with tazemetostat in combination with R2. Additional presentations include trial design details of ongoing SYMPHONY-2, a Phase 2 study evaluating tazemetostat in combination with rituximab, as well as an analysis of the molecular and genetic characterization of patients treated with tazemetostat to better understand the drivers of response to treatment.

Title: Interim Analysis of the Randomized Phase 1b/3 Study Evaluating the Safety and Efficacy of Tazemetostat Plus Lenalidomide and Rituximab in Patients with Relapsed/Refractory Follicular Lymphoma
Presenter: Connie Lee Batlevi MD, PhD, Medical Oncologist, Memorial Sloan Kettering Cancer Center
Abstract No: 2207
Date: Sunday, December 12, 2021, 6:00 PM-8:00 PM
Location: Hall B5 (Georgia World Congress Center)
Title: Trial in Progress: A Phase 2, Single-Arm, Open-Label, Multicenter Study of Tazemetostat in Combination with Rituximab for the Treatment of Relapsed or Refractory Follicular Lymphoma
Presenter: Krish Patel, MD, Director of Lymphoma, Swedish Cancer Institute
Abstract No: 3541
Date: Monday, December 13, 2021: 6:00 PM-8:00 PM
Location: Hall B5 (Georgia World Congress Center)
Title: Molecular and Genetic Characterization of Tumor Samples from Patients with Relapsed or Refractory Follicular Lymphoma Identifies Factors Influencing Response to Tazemetostat
Presenter: Sandeep Dave, MD, MS, Associate Professor, Division of Hematologic Malignancies & Cellular Therapy, Department of Medicine at Duke Cancer Institute
Abstract No: 1183
Date: Saturday, December 11, 2021: 5:30 PM-7:30 PM
Location: Hall B5 (Georgia World Congress Center)
EZM0414

SETD2 is a histone methyltransferase, similar to EZH2, which plays multiple important roles in oncogenesis. The preclinical data to be presented focus on the pharmacologic inhibition of SETD2 by investigational agent EZM0414, as a potential therapeutic strategy in multiple myeloma and DLBCL. These data provided the rationale for the SET-101 study, the first-in-human Phase 1/1b clinical trial designed to evaluate safety and determine the optimal dose of EZM0414. Following this dose-ranging phase, the study will be expanded to evaluate EZM0414 in three patient cohorts: t(4;14) multiple myeloma, non t(4;14) multiple myeloma, and DLBCL.

Title: A Phase 1/1b Open-Label, Multicenter, Two-Part Study of SETD2 Inhibitor EZM0414 in Patients with Relapsed/Refractory Multiple Myeloma or Diffuse Large B-Cell Lymphoma
Presenter: Paul G. Richardson, MD, Medical Oncologist at Dana-Farber Cancer Institute
Abstract No: 1679
Date: Saturday, December 11, 2021: 5:30 PM to 7:30 PM ET
Location: Hall B5 (Georgia World Congress Center)
Title: Pharmacologic Inhibition of the Histone Methyltransferase SETD2 with EZM0414 As a Novel Therapeutic Strategy in Relapsed or Refractory Multiple Myeloma and Diffuse Large B-Cell Lymphoma
Presenter: Jennifer Totman, Principal Scientist at Epizyme
Abstract No: 1142
Date: Saturday, December 11, 2021: 5:30 PM to 7:30 PM ET
Location: Hall B5 (Georgia World Congress Center)
Revlimid + Rituximab (R2) is a registered trademark of Celgene Corporation, a Bristol Myers Squibb company.