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A Phase Ib-II Study of tazemetostat (EPZ-6438) in newly diagnosed Diffuse Large B Cell Lymphoma (DLBCL) or high risk Follicular Lymphoma (FL) patients treated by R-CHOP
EU CTIS ID: 2024-515846-18-00
What this study is testing
Phase Ib:to determine the recommended phase II dose (RP2D) for tazemetostat in patients treated with R-CHOP 21 Phase II – DLBCL cohort:to determine the Complete Response Rate (CRR) based on local assessment according to Cheson IWG 2014: Lugano Classification (i.e. categories 1- 3 on the 5 point Deauville scale) at the end of treatment or at permanent treatment discontinuation.End of treatment is defined as after 6 cycles of Epi-RCHOP 21 + 2 cycles of Tazemetostat and Rituximab. Permanent treatment discontinuation is defined as the discontinuation of all treatments (Rituximab, CHOP and Tazemetostat) Phase II – FL cohort: to determine the Complete Response Rate (CRR) based on local assessment at the end of induction or at permanent treatment discontinuation according to Cheson IWG 2014: Lugano Classification (i.e. Deauville scale 1-3). End of induction is defined as after 6 cycles of Epi-RCHOP 21 + 2 cycles of Tazemetostat and Rituximab. Permanent treatment discontinuation is defined as the discontinuation of all treatments (Rituximab, CHOP and Tazemetostat)
- Phase I and Phase II (Integrated)- First administration to humans
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- Cohort DLBCL: Patients with an untreated DLBCL de novo or transformed from indolent lymphoma (CD 20 positive) Or CD20+ Follicular lymphoma grade 3B with - Phase Ib aaIPI ≥ 2 - Phase II: aaIPI ≥ 1. Cohort FOLLICULAR : High Tumor Burden (as defined by at least one GELF criteria except isolated elevated LDH at baseline) frontline follicular lymphoma (FL) with high risk FLIPI 3-5
- Left ventricular ejection fraction (LVEF) ≥ 50% of echocardiography or multiple gated acquisition (MUGA) scan
- Adequate tissue (surgical excision is recommended) for central pathology review and biological caracterisation (see appendix 11)
- Males with partners of childbearing potential must agree to use reliable forms of contraception during 12 months after last treatment administration
- Cohort FOLLICULAR : 11bis. Females of childbearing potential (FCBP) must agree to use one reliable form of contraception or to practice complete abstinence from heterosexual contact during the following time periods related to this study: 1) for at least 28 days before starting study drug; 2) while participating in the study; 3) dose interruptions; and 4) for at least 12 months after discontinuation of any study treatments (R-CHOP, tazemetostat, Rituximab)
- Patient covered by any social security system (for France only)
You likely can't join if
- Central nervous system or meningeal involvement
- Not applicable
- Active uncontrolled infection requiring systemic therapy
- Congenital immunodeficiency or known HIV (human immunodeficiency virus infection)
- Any other major illness, that in the investigator’s judgement, will substantially increase the risk associated with the patient’s participation in the study
- Patients who have undergone a solid organ transplant
See the full eligibility criteria
- Cohort DLBCL: Patients with an untreated DLBCL de novo or transformed from indolent lymphoma (CD 20 positive) Or CD20+ Follicular lymphoma grade 3B with - Phase Ib aaIPI ≥ 2 - Phase II: aaIPI ≥ 1. Cohort FOLLICULAR : High Tumor Burden (as defined by at least one GELF criteria except isolated elevated LDH at baseline) frontline follicular lymphoma (FL) with high risk FLIPI 3-5
- Left ventricular ejection fraction (LVEF) ≥ 50% of echocardiography or multiple gated acquisition (MUGA) scan
- Adequate tissue (surgical excision is recommended) for central pathology review and biological caracterisation (see appendix 11)
- Males with partners of childbearing potential must agree to use reliable forms of contraception during 12 months after last treatment administration
- Cohort FOLLICULAR : 11bis. Females of childbearing potential (FCBP) must agree to use one reliable form of contraception or to practice complete abstinence from heterosexual contact during the following time periods related to this study: 1) for at least 28 days before starting study drug; 2) while participating in the study; 3) dose interruptions; and 4) for at least 12 months after discontinuation of any study treatments (R-CHOP, tazemetostat, Rituximab)
- Patient covered by any social security system (for France only)
- Patient who understands and speaks one of the country official languages
- 1bis. For phase II patients: Bi-dimensionally measurable disease defined by at least one single node or tumor lesion > 1.5 cm assessed by CT scan and/or clinical examination AND a FDG avid disease by PETscan
- Cohort DLBCL 2. Age between 60 and 80 years included Cohort FOLLICULAR :2. Aged between 18 years and 80 years included
- ECOG performance status of 0, 1 or 2 (0 or 1 only for phase Ib)
- Signed informed consent
- Life expectancy of ≥ 90 days (3 months) before starting tazemetostat
- Adequate renal function as calculated by a creatinine clearance > 40 mL/min by local institutional formula
- Adequate bone marrow function as defined as: - ANC ≥ 1500/mm3 (≥ 1.5 X 109/L) - Platelets ≥ 75,000/mm3 (≥ 75 X 109/L) without platelet transfusion dependency during the last 7 days - Hemoglobin ≥ 9 g/dL (may receive transfusion)
- Adequate liver function as defined as: - Total bilirubin ≤ 1.5 × the upper limit of normal (ULN) except for unconjugated hyperbilirubinemia of Gilbert’s syndrome - Alkaline phosphatase (in absence of bone disease), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 3 X ULN (or ≤ 5 X ULN if related to lymphoma involvement) - Patients with prior Hepatitis B and C are eligible if, for Hepatitis B detection, surface antigen is negative and/or HBV DNA is undetectable, and for Hepatitis C detection, if HCV RNA is undetectable.
- Central nervous system or meningeal involvement
- Not applicable
- Active uncontrolled infection requiring systemic therapy
- Congenital immunodeficiency or known HIV (human immunodeficiency virus infection)
- Any other major illness, that in the investigator’s judgement, will substantially increase the risk associated with the patient’s participation in the study
- Patients who have undergone a solid organ transplant
- Cohort DLBCL : Previous treatment for B cell lymphoma, except glucocorticoids (no more than 7 days before inclusion, 1 mg/kg/day max). Cohort FOLLICULAR : Prior therapy for lymphoma including radiotherapy except glucocorticoids (no more than 7 days before inclusion, 1 mg/kg/day max)
- Treatment with any investigational drug or device within 30 days before planned first cycle of chemotherapy
- Cohort FOLLICULAR :Pregnant or lactating females
- Person deprived of his/her liberty by a judicial or administrative decision
- Adult person under legal protection
- Contraindication to any drug contained in the chemotherapy regimen
- Person hospitalized without consent
- Adult person unabled to provide informed consent because of intellectual impairment, any serious medical condition, laboratory abnormality or psychiatric illness
- Prior treatment with tazemetostat or other inhibitor of EZH2
- Patients who are undergoing active treatment for another malignancy, exceptions include: A patient who has been disease free for 2 years, or a patient with a history of a completely resected non-melanoma skin cancer or successfully treated in situ carcinoma is eligible Patients with prior history of myeloid malignancies, including myelodysplastic syndrome (MDS) or Acute Myeloid Leukemia(AML) or prior history of T-LBL/T-ALL are excluded whatever receiving treatment or not and whatever date of diagnosis of these pathologies
- Patients taking medications that are known potent CYP3A4 inducers/inhibitors (including St. John’s wort)
- Patients unwilling to exclude St. John’s wort, Seville oranges, grapefruit juice and/or grapefruit from diet
- Major surgery within 4 weeks before first dose of study drug (minor procedures including transcutaneous biopsy, central line placement are permitted within 2 weeks of enrollment)
- Inability to take oral medication or malabsorption syndrome or any other uncontrolled gastrointestinal condition that would impare ability to take tazemetostat
- Significant cardiovascular impairment: congestive heart failure greater than New York Heart Association (NYHA) Class II, unstable angina, myocardial infarction or stroke within 6 months of first dose of tazemetostat or ventricular arrhythmia
The study team makes the final eligibility decision.
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18-64 years, 65+ years. The study team makes the final eligibility decision.
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BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.