NCT05044039Active, not recruitingPhase 1
Phase I Dose Escalation and Dose Expansion Study of Duvelisib Following Chimeric Antigen Receptor T-Cell Therapy
Washington University School of Medicine1 site in 1 country42 target enrollmentStarted: February 28, 2022Last updated:
Conditions
Interventions
Trial Snapshot
- Phase
- Phase 1
- Status
- Active, not recruiting
- Enrollment
- 42
- Locations
- 1
- Primary Endpoint
- Toxicity as measured by number of adverse events
Study Overview
Brief Summary
While chimeric antigen receptor T-cell (CAR T-cell) therapy produces impressive response rates in heavily pre-treated patients, early loss of response remains a barrier. One potential mechanism of relapse is limited CAR T-cell persistence. Pre-clinical research shows that PI3K inhibition represents an intriguing mechanism for increasing CAR T-cell persistence that is easily reversible and CAR T-cell agnostic. The investigators hypothesize that PI3K inhibition with duvelisib would be safe, may provide effective prophylaxis against cytokine release syndrome (CRS), and may enhance the persistence and efficacy of CAR T-cells in the treatment of hematologic malignancies.
Study Design
- Study Type
- Interventional
- Allocation
- Non Randomized
- Intervention Model
- Sequential
- Primary Purpose
- Treatment
- Masking
- None
Eligibility Criteria
- Ages
- 18 Years to — (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Meets FDA-approved criteria for treatment of non-Hodgkin lymphoma (NHL) with axicabtagene ciloleucel (Yescarta), tisagenlecleucel (Kymriah), lisocabtagene maraleucel (Breyanzi) or brexucabtagene autoleucel (Tecartus). Subjects receiving breuxacabtagene autoleucel for treatment of B-cell acute lymphoblastic leukemia (ALL) are not eligible.
- •At least 18 years of age.
- •The effects of duvelisib on the developing human fetus are unknown. For this reason, women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control, abstinence) prior to study entry, for the duration of study participation, and for at least 3 months after the last dose of duvelisib, as well as conform to institutional CAR T-cell guidelines. Should a woman become pregnant or suspect she is pregnant while participating in this study, she must 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 the study, and for at least 3 months after the last dose of duvelisib.
- •Ability to understand and willingness to sign an IRB approved written informed consent document (or that of legally authorized representative, if applicable).
Exclusion Criteria
- •Receiving axicabtagene ciloleucel, tisagenlecleucel, lisocabtagene maraleucel, or brexucabtagene autoleucel for the treatment of B-cell acute lymphoblastic leukemia.
- •Known allergy or intolerance to duvelisib or another PI3K inhibitor. Previous treatment with duvelisib or other PI3K inhibitor is permitted unless therapy was discontinued due to toxicity or intolerance of therapy.
- •Receiving therapy with a strong CYP3A inducer or inhibitor that cannot be discontinued during duvelisib therapy. Subjects receiving a strong CYP3A inducer or inhibitor at screening are eligible to participate if the drug can be discontinued the longest of the following time periods prior to initiation of duvelisib: 7 days (for strong CYP3A inhibitors), 14 days (for strong CYP3A inducers) or 4-5 half-lives (either inducer or inhibitor).
- •Active CNS involvement by hematologic malignancy under treatment
- •Evidence of uncontrolled infection of any origin (viral, bacterial, or fungal)
- •Active bacterial, fungal or mycobacterial infection tuberculosis requiring treatment within the two years prior to study enrollment
- •Known HIV infection, untreated hepatitis C or hepatitis B infection. Untreated hepatitis B is not an exclusion if hepatitis B is undetectable.
- •Acute or chronic GVHD requiring systemic therapy
- •Concurrent use of chronic systemic steroids or immunosuppressant medications
- •Known history of immunologic/autoimmune disease affecting the CNS unrelated to diagnosis of hematologic malignancy under treatment
- •Clinically significant pulmonary disease, defined as grade 2 or greater dyspnea or grade 2 or greater hypoxia
- •Clinically significant cardiac disease, defined as unstable angina, acute myocardial infarction in the last 6 months, and NYHA class II or IV heart failure. Subjects with unstable arrhythmias that are not stable with medical management in 2 weeks prior to day -2 are also excluded.
- •Clinically significant hepatic disease, defined as ALT, AST or alkaline phosphatase ≥ 3x ULN or total bilirubin > 1.5x ULN (unless related to Gilbert's or Meulengracht's syndrome). Subjects with a history of chronic liver disease, previous veno-occlusive disease, active alcohol abuse or history of alcohol abuse within the past 6 months are also excluded.
- •Clinically significant renal disease, defined as calculated or measured creatinine clearance < 50 mL/min
- •Currently breastfeeding or pregnant. Women of childbearing potential must have a negative pregnancy test within 7 days of study entry.
- •Inability to swallow and retain oral medication or prior surgery or GI dysfunction that may affect drug absorption (i.e. gastric bypass surgery, gastrectomy)
- •Receipt of a prior investigational agent within 4 weeks before Day -3 or currently receiving any other investigational agents.
- •Unable to receive prophylactic treatment for pneumocystis, HSV or VZV at screening
- •Any condition that would, in the investigator's judgment, interfere with full participation in the study, including administration of medication, attendance of study visits, elevated risk of complications or interference with interpretation of the study data
- •A history of other malignancy with the exception of malignancies for which all treatment was completed at least 2 years before registration and the patient has no evidence of disease. Non-metastatic, non-melanoma skin cancers are not considered exclusionary.
Arms & Interventions
Dose Escalation Stage: Duvelisib
Experimental
- Duvelisib is an oral medication taken on a once or twice daily basis on all dosing days. Doses being explored in this study are 15 mg BID (starting dose), 25 mg BID, and 15 mg QD. In the dose escalation stage, patients will receive duvelisib from Day -2 through Day 28.
- CAR T-cells will be given per standard of care.
Intervention: Duvelisib (Drug)
Cohort A Dose Expansion Stage: Duvelisib
Experimental
- Patients in Cohort A will receive duvelisib from Day -2 to Day 28. The dose that will be given will be determined in the dose escalation stage (the maximum tolerated dose).
- CAR T-cells will be given per standard of care.
Intervention: Duvelisib (Drug)
Cohort B Dose Expansion Stage: Duvelisib
Experimental
-
Patients in Cohort B will receive duvelisib from Day -2 to Day 180 as follows:
-
Cycle 1 dosing begins on Day -2 and continues through Day 28 followed by 2 weeks off therapy
-
Cycles 2-6 are 28 days long and consist of dosing on Days 1 through 14, with 2 weeks off therapy.
-
CAR T-cells will be given per standard of care.
Intervention: Duvelisib (Drug)
Outcomes
Primary Outcomes
Toxicity as measured by number of adverse events
Time Frame: From start of treatment through 30 days after completion of duvelisib (up to day 60 for Cohort A and up to day 212 for Cohort B)
Toxicity is graded using NCI CTCAE v 5.0
Secondary Outcomes
- Number of participants with complete response (CR)(At 6 months)
- Progression-free survival (PFS)(Through completion of follow-up (estimated to be 5 years))
- Overall survival (OS)(Through completion of follow-up (estimated to be 5 years))
- Proportion of participants with partial response (PR) on Day 30 with improved response on Day 90(Day 90)
- Proportion of participants with partial response (PR) on Day 30 with improved response on Day 180(Day 180)
- Cumulative incidence of cytokine release syndrome (CRS)(By Day 28)
- Cumulative incidence of immune effector cell-associated neurotoxicity syndrome (ICANS)(By Day 28)
- Number of participants who receive anti-IL-6 agents for treatment of cytokine release syndrome (CRS)(Through completion of follow-up (estimated to be 6 months))
- Number of participants who receive steroids for treatment of cytokine release syndrome (CRS)(Through completion of follow-up (estimated to be 6 months))
- Best overall response rate(At 6 months)
- Number of participants with complete response (CR)(At 1 month)
- Number of participants with complete response (CR)(At 3 months)
- Best overall response rate(At 1 month)
- Best overall response rate(At 3 months)
Investigators
Study Sites (1)
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