Duvelisib and Venetoclax in Relapsed or Refractory CLL or SLL or RS

STATUS

Recruiting
End date

Jul 1, 2025
participants needed

67
sponsor

Dana-Farber Cancer Institute

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Updated on 4 October 2022

See if I qualify

platelet count

cancer

lymphoid leukemia

chronic lymphocytic leukemia

lymphoma

gilbert's syndrome

venetoclax

neutrophil count

diffuse large b-cell lymphoma

b-cell lymphoma

richter syndrome

chronic lymphocytic leukemia refractory

Summary

This research study is assessing a new drug, duvelisib, in combination with a drug that is already FDA approved, venetoclax, as a possible treatment for participants with CLL or those with Richter's Syndrome

Description

This is a Phase I/II clinical trial. A Phase I clinical trial tests the safety of an investigational drugs and also tries to define the appropriate dose of the investigational drugs to use for further studies. "Investigational" means that the drugs are being studied together for the first time.

This phase I study tests the safety of the drug duvelisib when used in combination with the drug venetoclax. Duvelisib is still being studied, but the FDA (the U.S. Food and Drug Administration) has approved the use of Duvelisib in patients with CLL/SLL with relapsed or refractory CLL after having received 2 or more prior therapies.

Duvelisib is a drug that is given in capsule form and taken by mouth. This drug is designed to stop cancer growth by blocking a protein called phosphatidylinositide 3-kinase (PI3K), which is important for the survival of CLL cells. In laboratory studies and in other clinical trials that included participants with CLL, duvelisib was effective at killing CLL cells.

Venetoclax is a tablet that is taken by mouth. Venetoclax targets a protein called BCL-2, which helps cancer cells survive. Venetoclax is an effective treatment for many participants with CLL who do not respond to chemotherapy or other approved drugs or who have relapsed after prior therapy.Venetoclax is FDA approved for participants with CLL who have never had therapy before or whose CLL has worsened after prior therapy.

In the phase I portion of this study, the investigators are looking to determine the dose of venetoclax that is safe to give with duvelisib and to see what the side effects are of this combination.

In the phase II portion of this study, we are looking to determine how effective thecombination of duvelisib and venetoclax is for patients with CLL or Richter's Syndrome

Details

Condition	Chronic Lymphocytic Leukemia, Richter Syndrome
Treatment	venetoclax, duvelisib
Clinical Study Identifier	NCT03534323
Sponsor	Dana-Farber Cancer Institute
Last Modified on	4 October 2022

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Eligibility		Yes	No	Not Sure
Inclusion Criteria
	Must have a confirmed diagnosis of chronic lymphocytic leukemia or small lymphocytic lymphoma requiring therapy, as per IW-CLL 2008 criteria OR Biopsy proven transformation to diffuse large B cell lymphoma (DLBCL), consistent with Richter's Syndrome
	Disease that has progressed during or relapsed after at least one previous CLL/SLL therapy - If Richter's Syndrome, this criterion is not applicable
	Age greater to or equal to 18 years
	ECOG performance status ≤2 (Karnofsky ≥60%)
	Patients must meet the following hematologic criteria at screening, unless they have significant bone marrow involvement of CLL confirmed on biopsy
	Absolute neutrophil count ≥500 cells/mm3 (0.5 x 109/L). Growth factor is allowed in order to achieve this
	Platelet count ≥25,000 cells/mm3 (25 x 109/L) independent of transfusion within 7 days of screening
	Adequate hepatic function defined as
	\--Serum aspartate transaminase (AST) and alanine transaminase (ALT) ≤ 3.0 x
	upper limit of normal (ULN), bilirubin ≤1.5 x ULN (unless bilirubin rise is
	due to Gilbert's syndrome or of non-hepatic origin
	Adequate renal function as defined as
	\--Serum creatinine ≤1.5 times the upper limit of normal or creatinine
	clearance ≥ 50 mL/min using a 24-hour urine collection
	Women of child-bearing potential and men must agree to use adequate contraception (hormonal, barrier method or abstinence) prior to study entry and for the duration of study participation
	Ability to understand and the willingness to sign a written informed consent document
Exclusion Criteria
	Previous treatment with venetoclax or duvelisib
	Patients receiving cancer therapy (i.e., chemotherapy, radiation therapy, immunotherapy, biologic therapy, surgery within 2 weeks of Cycle 1/Day 1 with the following exceptions
	For patients on targeted therapies, a washout of least five half lives is required
	Patients who experience clinical deterioration may start therapy after a shorter washout period with prior approval by the PI
	Corticosteroid therapy (prednisone or equivalent <20 mg daily) is allowed
	Confirmed central nervous system involvement
	Allogeneic hematologic stem cell transplant within 6 months of starting study treatment or active graft vs. host disease (GVHD) requiring treatment or prophylaxis
	History of active malignancy requiring therapy with the exception of hormonal therapy
	Any active systemic infection requiring IV antibiotics or uncontrolled, active infections
	Known history of human immunodeficiency virus (HIV), hepatitis C virus (HCV), or hepatitis B virus (HBV)
	Major surgery within 4 weeks of first dose of study drug
	Currently active gastrointestinal disease, including colitis, inflammatory bowel disease and diarrhea requiring therapy
	Currently active, clinically significant cardiovascular disease, such as uncontrolled arrhythmia or Class 3 or 4 congestive heart failure as defined by the New York Heart Association Functional Classification; or a history of myocardial infarction, unstable angina, or acute coronary syndrome within 6 months prior to randomization
	Any life-threatening illness, medical condition, or organ system dysfunction that, in the investigator's opinion, could compromise the subject's safety or put the study outcomes at undue risk
	Use of Coumadin for anticoagulation (other anticoagulants permitted)
	Lactating or pregnant
	Concurrent administration of medications or foods that are strong inhibitors or inducers of CYP3A (see Appendix D) . The concomitant use of drugs or foods that are strong or moderate inhibitors or inducers of CYP3A are not allowed beginning 1 week prior to the first dose of duvelisib
	Patients with ongoing use of prophylactic antibiotics are eligible as long as there is no evidence of active infection and the antibiotic is not included on the list of prohibited medications
	Unable to swallow capsules or malabsorption syndrome, disease significantly affecting gastrointestinal function, or resection of the stomach or small bowel, symptomatic inflammatory bowel disease or ulcerative colitis, or partial or complete bowel obstruction resulting in malabsorption or chronic diarrhea
	Active abuse of alcohol
	History of chronic liver disease or veno-occlusive disease/sinusoidal obstruction syndrome
	History or concurrent condition of interstitial lung disease of any severity and/or severely impaired lung function
	Known hypersensitivity to duvelisib and/or its excipients
	History of tuberculosis treatment within the 2 years prior to initiation of therapy

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Duvelisib and Venetoclax in Relapsed or Refractory CLL or SLL or RS