Study of Tazemetostat in Participants With Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma With EZH2 Gene Mutation

NCT ID: NCT03456726

Last Updated: 2022-12-16

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-04-09

Study Completion Date

2021-12-17

Brief Summary

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This is a multicenter, open-label, Phase 2 study to assess the efficacy and safety of tazemetostat in participants with relapsed or refractory B-cell non-Hodgkin's lymphoma (NHL) with EZH2 gene mutation.

Detailed Description

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Conditions

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Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma

Keywords

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EZH2 gene mutation Tazemetostat Diffuse large B-cell lymphoma Follicular lymphoma

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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FL with EZH2 gene mutation

Participants with follicular lymphoma (FL) with the EZH2 gene mutation will receive oral tazemetostat at a starting dose of 800 milligrams (mg) twice daily (1600 mg total daily dose) by continuous regimen, no less than 8 hours between doses.

Group Type EXPERIMENTAL

Tazemetostat

Intervention Type DRUG

Tazemetostat will be provided as a 200 mg oral tablet.

DLBCL with EZH2 gene mutation

Participants with diffuse large B-cell lymphoma (DLBCL) with the EZH2 gene mutation will receive oral tazemetostat at a starting dose of 800 mg twice daily (1600 mg total daily dose) by continuous regimen, no less than 8 hours between doses.

Group Type EXPERIMENTAL

Tazemetostat

Intervention Type DRUG

Tazemetostat will be provided as a 200 mg oral tablet.

Interventions

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Tazemetostat

Tazemetostat will be provided as a 200 mg oral tablet.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Participants with histological diagnosis of B-cell non-Hodgkin's lymphoma (NHL) as follows:

* Cohort 1: Follicular lymphoma (FL)
* Cohort 2: Diffuse large B-cell lymphoma (including primary mediastinal B-cell lymphoma and transformed FL)
* Participants who have confirmed EZH2 gene mutation of tumor in central laboratory
* Participants who have measurable disease
* Participants who had previous therapy with systemic chemotherapy and/or antibody therapy and for which no standard therapy exists
* Participants who had progressive disease or did not have response (complete response or partial response) in previous systemic therapy, or relapsed or progressed after previous systemic therapy
* Participants with Eastern Cooperative Oncology Group performance status of 0 to 1
* Participants with life expectancy of ≥3 months from starting study drug administration
* Participants with adequate renal, liver, and bone marrow function
* Male and female participants ≥20 years of age at the time of informed consent
* Participants who has provided written consent to participate in the study

Exclusion Criteria

* Participants with prior exposure to EZH2 inhibitor
* Participants with a history or a presence of central nerves invasion
* Participants with malignant pleural effusion, cardiac effusion, or ascites retention
* Participants with allogeneic stem cell transplantation
* Participants with medical need for the continued use of potent inhibitors of Cytochrome P450 3A (CYP3A)or potent inducer of CYP3A (including St. John's wort)
* Participants with significant cardiovascular impairment

· Participants with prolongation of corrected QT interval using Fridericia's formula to \> 480 milliseconds (msec)
* Participants with venous thrombosis or pulmonary embolism within the last 3 months before starting study drug
* Participants with complications of hepatic cirrhosis, interstitial pneumonia or pulmonary fibrosis
* Participants with active infection requiring systemic therapy
* Women of childbearing potential or man of impregnate potential who don't agree that both the participant and his/her partner will use a medically effective method for contraception for periods from before informed consent to during the clinical study and 30 days later (for males 90 days later) from last administration of study drug
* Woman who are pregnant or breastfeeding
* Participants who were deemed as inappropriate to participate in the study by the investigator or sub-investigator
* Have any prior history of T-cell lymphoblastic lymphoma/T-cell acute lymphoblastic leukemia or myeloid malignancies, including myelodysplastic syndrome
Minimum Eligible Age

20 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Eisai Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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1004 Eisai Trial Site

Nagoya, Aichi-ken, Japan

Site Status

1029 Eisai Trial Site

Nagoya, Aichi-ken, Japan

Site Status

1020 Eisai Trial Site

Ōta, Gunma, Japan

Site Status

1007 Eisai Trial Site

Sapporo, Hokkaido, Japan

Site Status

1019 Eisai Trial Site

Kobe, Hyōgo, Japan

Site Status

1005 Eisai Trial Site

Tsukuba, Ibaraki, Japan

Site Status

1002 Eisai Trial Site

Isehara, Kanagawa, Japan

Site Status

1028 Eisai Trial Site

Yokohama, Kanagawa, Japan

Site Status

1021 Eisai Trial Site

Sendai, Miyagi, Japan

Site Status

1013 Eisai Trial Site

Sayama, Osaka, Japan

Site Status

1006 Eisai Trial Site

Suita, Osaka, Japan

Site Status

1027 Eisai Trial Site

Suntou-gun, Shizuoka, Japan

Site Status

1026 Eisai Trial Site

Bunkyo-ku, Tokyo, Japan

Site Status

1001 Eisai Trial Site

Chuo-ku, Tokyo, Japan

Site Status

1025 Eisai Trial Site

Koto-ku, Tokyo, Japan

Site Status

1017 Eisai Trial Site

Minato-ku, Tokyo, Japan

Site Status

1022 Eisai Trial Site

Aomori, , Japan

Site Status

1010 Eisai Trial Site

Chiba, , Japan

Site Status

1012 Eisai Trial Site

Fukuoka, , Japan

Site Status

1016 Eisai Trial Site

Fukuoka, , Japan

Site Status

1011 Eisai Trial Site

Hiroshima, , Japan

Site Status

1024 Eisai Trial Site

Kumamoto, , Japan

Site Status

1003 Eisai Trial Site

Kyoto, , Japan

Site Status

1008 Eisai Trial Site

Kyoto, , Japan

Site Status

1023 Eisai Trial Site

Nagasaki, , Japan

Site Status

1009 Eisai Trial Site

Okayama, , Japan

Site Status

1015 Eisai Trial Site

Osaka, , Japan

Site Status

1018 Eisai Trial Site

Yamagata, , Japan

Site Status

Countries

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Japan

References

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Izutsu K, Ando K, Nishikori M, Shibayama H, Goto H, Kuroda J, Kato K, Imaizumi Y, Nosaka K, Sakai R, Abe M, Hojo S, Nakanishi T, Rai S. Tazemetostat for relapsed/refractory B-cell non-Hodgkin lymphoma with EZH2 mutation in Japan: 3-year follow-up for a phase II study. Int J Hematol. 2024 Nov;120(5):621-630. doi: 10.1007/s12185-024-03834-9. Epub 2024 Aug 23.

Reference Type DERIVED
PMID: 39179948 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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E7438-J081-206

Identifier Type: -

Identifier Source: org_study_id