Study of Tazemetostat in Participants With Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma With EZH2 Gene Mutation
Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma
About this trial
This is an interventional treatment trial for Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma focused on measuring EZH2 gene mutation, Tazemetostat, Diffuse large B-cell lymphoma, Follicular lymphoma
Eligibility Criteria
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
Sites / Locations
- 1004 Eisai Trial Site
- 1029 Eisai Trial Site
- 1020 Eisai Trial Site
- 1007 Eisai Trial Site
- 1019 Eisai Trial Site
- 1005 Eisai Trial Site
- 1002 Eisai Trial Site
- 1028 Eisai Trial Site
- 1021 Eisai Trial Site
- 1013 Eisai Trial Site
- 1006 Eisai Trial Site
- 1027 Eisai Trial Site
- 1026 Eisai Trial Site
- 1001 Eisai Trial Site
- 1025 Eisai Trial Site
- 1017 Eisai Trial Site
- 1022 Eisai Trial Site
- 1010 Eisai Trial Site
- 1012 Eisai Trial Site
- 1016 Eisai Trial Site
- 1011 Eisai Trial Site
- 1024 Eisai Trial Site
- 1003 Eisai Trial Site
- 1008 Eisai Trial Site
- 1023 Eisai Trial Site
- 1009 Eisai Trial Site
- 1015 Eisai Trial Site
- 1018 Eisai Trial Site
Arms of the Study
Arm 1
Arm 2
Experimental
Experimental
FL with EZH2 gene mutation
DLBCL 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.
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.