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Recurrent B-Cell Non-Hodgkin LymphomaPhase 1NCT05627245

Testing the Safety of the Anti-cancer Drugs Tazemetostat and Belinostat in Patients With Lymphomas That Have Resisted Treatment

A Phase 1 study testing Belinostat, Biopsy Procedure and Biospecimen Collection in people with Recurrent B-Cell Non-Hodgkin Lymphoma and Recurrent Diffuse Large B-Cell Lymphoma Germinal Center B-Cell Type, run by National Cancer Institute (NCI) at 11 sites in United States.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record

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Trial summary

This phase I trial tests the safety, side effects, and best dose of combination therapy with tazemetostat and belinostat in treating patients with lymphoma that has come back after a period of improvement (relapsed) or that does not respond to treatment (refractory). Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Belinostat, Biopsy Procedure and Biospecimen Collection
Could I receive a placebo?
No, everyone receives an active treatment
How many people
48 participants
Where
11 sitesUnited States
Study dates
1 Mar 2023to 1 Jun 2027
Phase
Phase 1

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • DOSE ESCALATION PHASE: Patients with relapsed or refractory non-Hodgkin lymphoma including both B-cell non-Hodgkin lymphoma (NHL) and T-cell NHL. Refractory cutaneous T-cell lymphoma (CTCL) will be allowed if greater or equal to stage 1B and have previously failed two systemic therapies
  • DOSE EXPANSION PHASE: Patients with relapsed or refractory follicular, transformed lymphoma or germinal center B-cell diffuse large B-cell Lymphoma (GCB-DLBCL) as defined by Hans criteria, as well as T-cell lymphomas. For patients with B-cell lymphomas, equal numbers of patients will be enrolled onto one of 2 arms: (1) mutated EZH2 or (2) wild-type EZH2. EZH2 mutations will be identified by polymerase chain reaction (PCR)
  • Patients must not be eligible for, or have refused, stem cell transplantation or chimeric antigen receptor T-cell (CAR T-cell) therapy
  • Patients who have undergone 1-5 prior treatments of any type (progression after transplant/cellular therapy allowed) are eligible
  • Patients must have measurable disease according to the Lugano classification
  • Age >= 18 years. Because no dosing or adverse event data are currently available on the use of tazemetostat in combination with belinostat in patients < 18 years of age, children are excluded from this study
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  • Eastern Cooperative Oncology Group (ECOG) performance status =< 2 (Karnofsky >= 60%)
  • Absolute neutrophil count >= 1,000/mcL
  • If there is documented lymphomatous involvement of the bone marrow as assessed by bone marrow biopsy within 90 days prior to registration, participants should have: absolute neutrophil count (ANC) >= 0.75 × 10^9/L
  • Platelets >= 75,000/mcL
  • If there is documented lymphomatous involvement of the bone marrow as assessed by bone marrow biopsy within 90 days prior to registration, participants should have: platelets >= 50 x 10^9/L
  • Total bilirubin =< 1.5 institutional upper limit of normal (ULN); unless due to Gilbert's disease, hemolysis, or lymphomatous involvement of liver, in which case total bilirubin should be =< 5 x institutional ULN
  • Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 3 x institutional ULN; unless due to Gilbert's disease, hemolysis, or lymphomatous involvement of liver, in which case AST(SGOT)/ALT(SGPT) should be =< 5 x institutional ULN
  • Glomerular filtration rate (GFR) >= 30 mL/min/1.73 m^2
  • Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial
  • For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated
  • Patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. For patients with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load
  • Patients with treated brain metastases are eligible if follow-up brain imaging after central nervous system (CNS)-directed therapy shows no evidence of progression
  • Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial. Patients whose lymphoma has transformed from a less aggressive histology remain eligible
  • Patients should be New York Heart Association Functional Classification of class II or better
  • Patients must have a QT interval corrected by Fridericia's formula (QTcF) =< 450 msec
  • Able to swallow and retain orally-administered medication and does not have any clinically significant gastrointestinal abnormalities that may alter absorption, such as malabsorption syndrome or major resection of the stomach or bowels
  • The effects of tazemetostat and belinostat on the developing human fetus are unknown. For this reason, women of child-bearing potential must agree to use two reliable methods of contraception simultaneously prior to study entry and for the duration of study participation and for 6 months after the last dose of the study treatment. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and 3 months after completion of tazemetostat and belinostat administration. Male participants must not donate semen or sperm from first dose of study drug, during study treatment (including during dose interruptions), and for 3 months after study drug discontinuation
  • Ability to understand and the willingness to sign a written informed consent document. Participants with impaired decision-making capacity who have a legally-authorized representative (LAR) and/or family member available will also be eligible
  • Patients that have received prior chemotherapy or radiotherapy must have completed their last treatment at least 2 weeks before entering the study. Rituximab given between EZH2 analysis and initiation of study drugs will be allowed

Who cannot join

  • Patients who have not recovered from adverse events due to prior anti-cancer therapy (i.e., have residual toxicities > grade 1) with the exception of alopecia
  • Patients who are receiving any other investigational agents
  • Patients with active central nervous system (CNS) metastases, including lymphomatous meningitis, as the study drugs are not known to effectively treat CNS disease
  • History of allergic reactions attributed to belinostat or tazemetostat, or to compounds of similar chemical or biologic composition to these agents
  • Patients receiving any medications or substances that are strong or moderate inhibitors or inducers of CYP3A4 within 14 days prior to study treatment are ineligible. Patients receiving strong UGT1A1 inhibitors are ineligible due to expected increased exposure to belinostat and potential for increased toxicity. Because the list of these agents is constantly changing, it is important to regularly consult a frequently-updated medical reference. As part of the enrollment/informed consent procedures, the patient will be counseled on the risk of interactions with other agents, and what to do if new medications need to be prescribed or if the patient is considering a new over-the-counter medicine or herbal product
  • Patients with known UGT1A1 genetic polymorphisms, such as UGT1A1*28, are excluded as they can have reduced UGTA1A activity and may be at risk for increased belinostat exposure
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  • Patients with uncontrolled intercurrent illness
  • Pregnant women are excluded from this study because belinostat, as an HDAC inhibitor, and tazemetostat, as an EZH2 inhibitor, both have the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with belinostat and tazemetostat, breastfeeding should be discontinued if the mother is treated with belinostat and tazemetostat. Women of childbearing potential must have negative urine or serum pregnancy test to be eligible for this study
  • Systemic steroids that have not been stabilized to the equivalent of =< 10 mg/day prednisone prior to the start of the study drugs and throughout the study. Patients are allowed to receive dexamethasone as premedication during belinostat infusion
  • Has thrombocytopenia, neutropenia, or anemia of grade >= 3 (per Common Terminology Criteria for Adverse Events [CTCAE] 5.0 criteria) or any prior history of myeloid malignancies, including myelodysplastic syndrome (MDS)
  • Has abnormalities known to be associated with MDS (e.g. 5q deletion [del 5q], chromosome 7 abnormality [chr 7 abn]) and multiple primary neoplasms (MPN) (e.g. JAK2 V617F) observed in cytogenetic testing and deoxyribonucleic acid (DNA) sequencing
  • Has a prior history of T lymphoblastic lymphoma/T acute lymphoblastic leukemia (T-LBL/T-ALL)

Trial locations and contacts

11 sites in 1 country.

11 sites in 1 country

United States11 sites

  • Ohio State University Comprehensive Cancer Center

    Columbus, Ohio, 43210

  • University of Kansas Clinical Research Center

    Fairway, Kansas, 66205

  • University of Kansas Cancer Center

    Kansas City, Kansas, 66160

  • Rutgers Cancer Institute of New Jersey

    New Brunswick, New Jersey, 08903

  • Yale University

    New Haven, Connecticut, 06520

  • NYP/Columbia University Medical Center/Herbert Irving Comprehensive Cancer Center

    New York, New York, 10032

  • University of Oklahoma Health Sciences Center

    Oklahoma City, Oklahoma, 73104

  • VCU Massey Comprehensive Cancer Center

    Richmond, Virginia, 23298

  • University of California Davis Comprehensive Cancer Center

    Sacramento, California, 95817

  • Huntsman Cancer Institute/University of Utah

    Salt Lake City, Utah, 84112

  • University of Kansas Hospital-Westwood Cancer Center

    Westwood, Kansas, 66205

Other trials in United States

About this study

Official title: Phase 1/Expansion Study of Tazemetostat Plus Belinostat for the Treatment of Relapsed or Refractory Lymphoma

This phase I trial tests the safety, side effects, and best dose of combination therapy with tazemetostat and belinostat in treating patients with lymphoma that has come back after a period of improvement (relapsed) or that does not respond to treatment (refractory). Tazemetostat is in a class of medications called EZH2 inhibitors. The EZH2 gene provides instructions for making a type of enzyme called histone methyltransferase which is involved in gene expression and cell division. Blocking EZH2 may help keep cancer cells from growing. Belinostat is in a class of medications called histone deacetylase inhibitors. Histone deacetylases are enzymes needed for cell division. Belinostat may kill cancer cells by blocking histone deacetylase. It may also prevent the growth of new blood vessels that tumors need to grow and may help make cancer cells easier to kill with other anticancer drugs. There is some evidence in animals and in living human cells that combination therapy with tazemetostat and belinostat can shrink or stabilize cancer, but it is not known whether this will happen in people. This trial may help doctors learn more about treatment of patients with relapsed or refractory lymphoma.

Read the detailed description

PRIMARY OBJECTIVES:

  1. To determine the maximum tolerated dose (MTD) and dose limiting toxicities (DLTs) of tazemetostat and belinostat in combination in patients with relapsed or refractory lymphoma. (Phase I: Dose escalation) II. Evaluate the safety and toxicity of the combination tazemetostat and belinostat. (Phase I: Dose escalation) III. Assess the safety and tolerability of tazemetostat and belinostat in patients with germinal-center derived B-cell lymphoma (follicular lymphoma, transformed disease, diffuse large B-cell lymphoma germinal center B-cell type [GC-DLBCL] defined by Hans criteria), and T-cell lymphomas. (Phase I: Dose expansion) IV. Assess the impact of EZH2, CREBBP, and EP300 mutations on response to dual epigenetic targeting. (Phase I: Dose expansion)

SECONDARY OBJECTIVES:

  1. To observe and record anti-tumor activity. II. To evaluate the pharmacokinetic profile for tazemetostat and belinostat when given as a combination.

III. Define the overall response rate (ORR), progression free survival (PFS), and duration of response (DOR) in patients with relapsed or refractory EZH2 mutated and EZH2 wild-type germinal-center derived B-cell lymphoma (follicular lymphoma, transformed disease, GC-DLBCL defined by Hans criteria), as well as T-cell lymphomas.

IV. To describe the maximum number of cycles received, the number of dose reductions and delays at the MTD.

EXPLORATORY OBJECTIVES:

  1. Determine a biomarker for response by assessing the basal mutation and gene expression status of key epigenetic regulators and correlating this signature with the response to the combination.

II. Determine the change in gene expression in tumor tissue following exposure the combined epigenetic therapy.

III. Determine the effect of combination epigenetic therapy on modulation of acetylation and methylation of histone K27.

IV. Determine the effect of combination epigenetic therapy on modulation of the immune response.

OUTLINE: This is a phase I dose-escalation study of tazemetostat and belinostat followed by a dose-expansion study.

Patients receive tazemetostat orally (PO) twice daily (BID) on days 2-21 of cycle 1 and days 1-21 of subsequent cycles, and belinostat intravenously (IV) over 30-180 minutes on days 1-5 of each cycle. Cycles repeat every 21 days in the absence of disease progression or unacceptable toxicity.

Patients may undergo a tumor biopsy during screening and on study (dose-expansion only). Patients undergo blood sample collection while on study and computed tomography (CT) or positron emission tomography (PET)/CT scan throughout the study.

After completion of study treatment, patients are followed up at 4 weeks, then every 3 months for a year or until they begin a new treatment for their disease.

Being tested
Belinostat, Biopsy Procedure, Biospecimen Collection, Computed Tomography, Pharmacokinetic Study
Medical subject headings
Lymphoma, B-Cell, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Lymphoma, T-Cell, Cutaneous, Lymphoma, T-Cell

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • BelinostatDrug

    Also called Beleodaq, PXD 101, PXD-101, PXD101

    Given IV

  • Biopsy ProcedureProcedure or surgery

    Also called Biopsy, BIOPSY_TYPE, Bx

    Undergo biopsy

  • Biospecimen CollectionProcedure or surgery

    Also called Biological Sample Collection, Biospecimen Collected, Sample Collection, Specimen Collection

    Undergo blood sample collection

  • Computed TomographyProcedure or surgery

    Also called CAT, CAT Scan, Computed Axial Tomography, Computerized Axial Tomography

    Undergo CT scan

  • Pharmacokinetic StudyOther

    Also called PHARMACOKINETIC, PK Study

    Pharmacokinetic study

  • Positron Emission Tomography and Computed Tomography ScanProcedure or surgery

    Also called PET-CT Scan, PET/CT SCAN, Positron Emission Tomography/Computed Tomography

    Undergo PET-CT

  • TazemetostatDrug

    Also called E 7438, E-7438, E7438, EPZ 6438

    Given PO

Study groups in NCT05627245
Study groupRoleWhat they receive
Treatment (tazemetostat, belinostat)ExperimentalPatients receive tazemetostat PO BID on days 2-21 of cycle 1 and days 1-21 of subsequent cycles, and belinostat IV over 30-180 minutes on days 1-5 of each cycle. Cycles repeat every 21 days in the absence of disease progression or unacceptable toxicity. Patients may undergo a tumor biopsy during screening and on study (dose-expansion only). Patients undergo blood sample collection while on study and CT or PET/CT scan throughout the study.
Receives: Drug: Belinostat; Procedure: Biopsy Procedure; Procedure: Biospecimen Collection; Procedure: Computed Tomography; Other: Pharmacokinetic Study; Procedure: Positron Emission Tomography and Computed Tomography Scan; Drug: Tazemetostat

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Maximum tolerated dose (Dose escalation)

    Defined as the highest dose level at which < 33% of the dose cohort (0 of 3 or 1 of 6) experience a dose-limiting toxicity in the first cycle.

    Measured: Up to end of cycle 1 (Cycles = 21 days)

Secondary outcomes (10)

  1. Disease response

    Will be assessed by positron emission tomography/computed tomography scan following cycle 2 and 6, and then every 3-6 cycles. Response will be defined by the Lugano Classification.

    Measured: Following cycle 2 and 6, and every 3-6 cycles, assessed up to 1 year after completion of study treatment

  2. Overall response rate

    Defined as complete response + partial response. Will be estimated and the exact 95% confidence interval will be constructed based on binomial distribution.

    Measured: Up to 1 year after completion of study treatment

  3. Progression-free survival

    Will be estimated by the Kaplan-Meier method and compared by the log-rank test.

    Measured: From time to enrollment to progression or death, assessed up to 1 year after completion of study treatment

  4. Overall survival

    Will be estimated by the Kaplan-Meier method and compared by the log-rank test.

    Measured: From time to enrollment to death, assessed up to 1 year after completion of study treatment

  5. Duration of response

    Will be estimated by the Kaplan-Meier method.

    Measured: From first response to relapse or death, assessed up to 1 year after completion of study treatment

  6. Total number of cycles

    The mean and range will be calculated.

    Measured: Up to 2 years

  7. Number of dose delays

    The mean and range will be calculated.

    Measured: Up to 2 years

  8. Number of dose reductions

    The mean and range will be calculated.

    Measured: Up to 2 years

  9. Pharmacokinetic profile for tazemetostat and belinostat

    Plasma concentrations of both tazemetostat and belinostat using area under the "concentration time" curve, maximum concentration, time to maximum concentration, and half-life will be calculated for the two study drugs.

    Measured: Cycle 1, day 1 (C1D1) (belinostat only) and C2D1

  10. Incidence of adverse events

    National Cancer Institute toxicity Grade 3 and Grade 4 laboratory abnormalities will be listed. Summary statistics will be provided for all laboratory values.

    Measured: Up to 4 weeks after completion of study treatment

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted25 Nov 2022
  2. Study start1 Mar 2023
  3. Primary completion1 Jun 2027 (estimated)
  4. Study completion1 Jun 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
48 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05627245
Sponsor's protocol ID
NCI-2022-05327
Other IDs
NCI-2022-05327, CUMC-AAAT9882, 10500, 10500, UM1CA186689
Status last verified
Sep 2026
First submitted
23 Nov 2022
Last updated
18 Sep 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page

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