Study of a Triple Combination Therapy, DTRM-555, in Patients With R/R CLL or R/R Non-Hodgkin's Lymphomas

  • STATUS
    Recruiting
  • End date
    Mar 15, 2024
  • participants needed
    120
  • sponsor
    Zhejiang DTRM Biopharma
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Updated on 15 May 2022
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lymphoid leukemia
chronic lymphocytic leukemia
tyrosine
lymphoma
hodgkin's disease
leukemia
lymphocytic leukemia
diffuse large b-cell lymphoma
richter's transformation
richter's syndrome

Summary

Targeted drug therapies have greatly improved outcomes for patients with relapsed or refractory (R/R) chronic lymphocytic leukemia (CLL) and non-Hodgkin's lymphoma. However, single drug therapies have limitations, therefore, the current study is evaluating a novel oral combination of targeted drugs as a way of overcoming these limitations. This study will determine the efficacy of the triple combination therapy, DTRM-555, in patients with R/R CLL or R/R non-Hodgkin's lymphoma.

Description

This study is being conducted in three parts: Phase Ia, Phase Ib and Phase II, disease-specific expansion cohorts. Phase Ia explored escalating doses of a monotherapy of a novel Bruton's Tyrosine Kinase (BTK) inhibitor, DTRMWXHS-12. Phase Ib explored two combination therapies, DTRM-505 (DTRMWXHS-12 and everolimus) and DTRM-555 (DTRMWXHS-12, everolimus and pomalidomide).

The current Phase II study will further examine the investigational triple combination treatment, DTRM-555 for efficacy and safety. The study is being conducted in five disease-specific cohorts: Activated B-Cell (ABC) Diffuse Large B-Cell Lymphoma, Germinal Center B-Cell (GCB) Diffuse Large B-Cell Lymphoma, Richter's Transformation, transformed Follicular Lymphoma, and relapsed or refractory Chronic Lymphocytic Leukemia.

The Primary Objective of the Phase II study is to determine the efficacy of the triple combination therapy, DTRM-555, in the five disease-specific cohorts. The Secondary Objectives are (1) to determine the safety of DTRM-555 in the cohorts and (2) to obtain the pharmacokinetics of DTRM-555 (i.e., DTRMWXHS-12, everolimus and pomalidomide).

Details
Condition Relapsed Chronic Lymphocytic Leukemia, Refractory Chronic Lymphocytic Leukemia, Diffuse Large B Cell Lymphoma, Follicular Lymphoma, Richter's Transformation
Treatment DTRM-555
Clinical Study IdentifierNCT04305444
SponsorZhejiang DTRM Biopharma
Last Modified on15 May 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Patients must provide written informed consent
Patients with a diagnosis of R/R CLL or other B-cell neoplasms (i.e., ABC DLBCL, GCB DLBCL, Richter's transformation and tFL) who have no available approved therapies, or patients with a diagnosis of non-Hodgkin's lymphoma, which has relapsed and/or is refractory to standard therapy
Patients with R/R CLL must have been exposed to Bruton's tyrosine kinase (BTK) or B-Cell CLL/Lymphoma 2 (BCL2) inhibitor-based therapy in prior lines of therapy but must not have known Cys481 resistance mutation prior to study enrollment
Age ≥ 18 years
Life expectancy greater than 12 weeks
Patients must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
Ability to swallow and retain capsules and/or tablets
Absence of uncontrolled intercurrent illnesses, including uncontrolled infections, cardiac conditions, or other organ dysfunctions
If the patient consents to an optional tumor biopsy, he/she must have a tumor that can be safely biopsied and undergo a baseline tumor biopsy procedure, or be willing to provide available archival tissue collected within 6 months of signing the Informed Consent Form (ICF), and one post-Cycle 1 treatment biopsy
Patients must have at least one target lesion according to Lugano Classification. Patients with R/R CLL are exempt from this requirement
Women of child-bearing potential must have a negative serum or urine pregnancy test
Women of child-bearing potential must agree to use 2 reliable methods of contraception beginning 4 weeks prior to the initiation of treatment, during therapy, and for at least 4 weeks after the last drug administration
Men must agree to use a latex or synthetic condom during sexual contact with a pregnant female or a female of child-bearing potential, for the duration of the study and for at least 4 weeks after the last drug administration, even if they have undergone a successful vasectomy

Exclusion Criteria

Received prior systemic anticancer treatment within the following time frames
Chemotherapy, immunotherapy, radiotherapy or any other investigational therapy within 21 days prior to starting study treatment
Targeted therapies within 5 biological half-lives prior to starting study treatment
Patients with active infections requiring therapy are not eligible for entry into the
study until resolution of the infection; however, patients on prophylactic
Pregnant or lactating individuals
Impaired hepatic or renal function as demonstrated by any of the following laboratory
antibiotics, antifungals or antivirals are eligible for entry into the study
values
Aspartate transaminase (AST) or alanine transaminase (ALT) > 2.5 x upper limit of normal (ULN); for patients with liver involvement, > 5 x ULN
Total bilirubin > 1.5 x ULN (Patients with a history of Gilbert's syndrome may participate if total bilirubin is less than or equal to 3 x ULN and the AST/ALT and alkaline phosphatase meet the protocol-specified levels for eligibility)
Alkaline phosphatase > 2.5 x ULN
Glomerular filtration rate < 50 mL/min, as assessed using the standard methodology at the investigating center (i.e., Cockcroft-Gault), or serum creatinine > 1.5 x ULN
Absolute neutrophil count < 1.0 x 109/L or platelets < 100 x 109/L, unless due to disease-related bone marrow impairment as confirmed by bone marrow biopsy during screening or due to standard of care treatment within 2 months prior to signing of informed consent. Patients with bone marrow impairment will be excluded if their absolute neutrophil count (ANC) is < 0.5 x 109/L and platelets < 50 x 109/L
International normalized ratio (INR) > 1.5 or other evidence of impaired hepatic
Previous allogeneic bone marrow transplant is restricted, unless transplant was greater than 3 months prior and there is no evidence of acute or chronic graft versus host disease
Central nervous system involvement with malignancy
synthesis function
Patients who have poorly controlled diabetes mellitus or whose glucose values cannot be controlled with medical treatment
Current malignancies of another type, with the exception of adequately treated in situ cervical cancer and basal cell skin cancer, squamous cell carcinoma of the skin or other malignancies with no evidence of disease for 2 years or more
Known history of human immunodeficiency virus (HIV) or active with hepatitis C virus (HCV) or hepatitis B virus (HBV). Subjects who are positive for hepatitis B core antibody, hepatitis B surface antigen, or hepatitis C antibody must have a negative polymerase chain reaction (PCR) result before enrollment. Those who are PCR positive will be excluded
Documented or known bleeding disorder
Requirement for anticoagulation treatment that increases INR or activated partial thromboplastin time above the normal range (low molecular weight heparin and heparin line flush allowed)
Patients requiring the use of strong CYP3A4, CYP1A2, or P-gp inhibitors
Patients with a significant cardiovascular disease or condition, including
myocardial infarction within 6 months of study entry
New York Heart Association Class III or IV heart failure
uncontrolled dysrhythmias or poorly controlled angina
left ventricular ejection fraction (LVEF) < 45% by multiple gated acquisition (MUGA) and /or echocardiogram (ECHO)
history of serious ventricular arrhythmia (ventricular fibrillation or ventricular tachycardia, ≥ 3 beats in a row) and/or risk factors (e.g., heart failure, hypokalemia, or family history of Long QT Syndrome)
baseline prolongation of QT/QTc interval (repeated demonstration of corrected QT interval (QTc) ≥ 450 msec for men and 470 msec for women), and
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