A Safety and Preliminary Efficacy Study of CC-99282 in Combination With Obinutuzumab in Subjects With Relapsed or Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
- Registration Number
- NCT04434196
- Lead Sponsor
- Celgene
- Brief Summary
CC-99282-CLL-001 study is a Phase IB dose escalation and expansion clinical study of CC-99282 administered in combination with Obinutuzumab in subjects with relapsed or refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma.
- Detailed Description
All eligible subjects must be relapsed or refractory to at least 2 prior lines of therapy, one of which must have included an inhibitor of B-cell receptor signaling (approved Bruton's tyrosine kinase inhibitor \[BTKi\] or Phosphoinositide 3-kinase inhibitor \[PI3Ki\]) or venetoclax. The dose escalation (Part A) will evaluate the safety, tolerability, and PK of escalating doses of CC-99282 given in combination with intravenous obinutuzumab to determine the MTD and RP2D of CC-99282 when given in combination with obinutuzumab. The dose expansion (Part B) may occur at the MTD established in the dose escalation phase, or at an alternative tolerable dosing schedule, based on review of safety, PK and PD data from Part A.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 16
-
Subject is ≥18 years of age
-
Eastern Cooperative Oncology Group (ECOG) performance status of 0-2.
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Must have a documented diagnosis of CLL/SLL requiring treatment (IwCLL Guidelines for the Diagnosis and Treatment of CLL). In addition presence of clinically measurable disease determined by at least one of the factors listed:
- nodal lesion that measures ≥ 1.5 cm in longest dimension (LD) and ≥ 1.0 cm in longest perpendicular dimension (LPD), or
- spleen that measures ≥ 14 cm in longest vertical dimension (LVD) with a minimum of 2 cm enlargement, or
- liver that measures ≥ 20 cm in LVD with a minimum of 2 cm enlargement, or
- peripheral blood B lymphocyte count > 5000/uL
-
All eligible subjects must be relapsed after or be refractory to >2 prior lines of therapy one of which must have included an approved BTK inhibitor.
-
Must meet the following laboratory parameters:
- Absolute neutrophil count (ANC) ≥ 1,500 cells/mm^3 or ≥ 1000 cells/mm^3 if secondary to bone marrow involvement by disease, without growth factor support for 7 days (14 days if pegfilgastrim).
- Platelet count ≥ 75,000 cells/mm^3 (100 x 10^9/L) or ≥ 50,000 cells/mm^3 (50 x 10^9/L) if secondary to bone marrow involvement by disease, without transfusion for 7 days.
- Serum aspartate transaminase (AST/SGOT) or alanine transaminase (ALT/SGPT) < 3.0 x upper limit of normal (ULN).
- Serum bilirubin < 1.5 x ULN unless due to Gilbert's syndrome.
- Calculated creatinine clearance of ≥ 60 ml/min.
- Presence of any significant medical condition, laboratory abnormality, or psychiatric illness that would prevent the subject from participating in the study.
- Prior allogeneic stem cell transplant (SCT)/bone marrow transplant within 12 months of signing the ICF. Subjects who received allogeneic SCT ≥ 12 months before signing the ICF may be eligible provided there is no ongoing graft-versus-host disease and no ongoing immune suppression therapy.
- Subject has received prior CAR-T or other T-cell targeting treatment (approved or investigational) ≤ 4 weeks prior to starting CC-99282.
- Subject has received prior therapy with CRBN-modulating drug (eg, lenalidomide, avadomide/CC-122, pomalidomide) ≤ 4 weeks prior to starting CC-99282.
- History of second malignancies with life expectancy of ≤ 2 years or requirement of therapy that would confound study results.
- Peripheral neuropathy ≥ Grade 2.
- History of hypersensitivity to lenalidomide, pomalidomide, thalidomide.
- Impaired cardiac function or clinically significant cardiac disease.
- Persistent diarrhea or malabsorption ≥ NCI CTCAE Grade 2, despite medical management.
- Active disease transformation (ie, Richter's Syndrome)
- Uncontrolled/active autoimmune hemolytic anemia or thrombocytopenia
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- SEQUENTIAL
- Arm && Interventions
Group Intervention Description CC-99282 + obinutuzumab CC-99282 Escalating doses of CC-99282 administered orally once daily on intermittent schedules with obinutuzumab IV infusion 1000 mg up to 2 years in Part A. CC-99282 administered orally once daily at MTD or alternative tolerating dosing schedule with obinutuzumab IV infusion 1000 mg up to 2 years in Part B. CC-99282 + obinutuzumab Obinutuzumab Escalating doses of CC-99282 administered orally once daily on intermittent schedules with obinutuzumab IV infusion 1000 mg up to 2 years in Part A. CC-99282 administered orally once daily at MTD or alternative tolerating dosing schedule with obinutuzumab IV infusion 1000 mg up to 2 years in Part B.
- Primary Outcome Measures
Name Time Method Maximum tolerated dose (MTD) Up to Cycle 2 Day 14 (each cycle is 28 days The highest dose of CC-99282 in combination with obinutuzumab associated with acceptable safety and tolerability
Adverse Events (AEs) From first subjects first visit until 28 days after last subject discontinued study treatment An AE is any noxious, unintended, or untoward medical occurrence that may appear or worsen in a subject during the course of a study. It may be a new intercurrent illness, a worsening concomitant illness, an injury, or any concomitant impairment of the subject's health, including laboratory test values, regardless of etiology. Any worsening (ie, any clinically significant adverse change in the frequency or intensity of a preexisting condition) should be considered an AE.
Dose Limiting Toxicity (DLT) Up to Cycle 2 Day 14 (each cycle is 28 days) Number of subjects with a DLT
- Secondary Outcome Measures
Name Time Method Pharmacokinetics - Cmax Up to Cycle 2 Day 14 (each cycle is 28 days) Maximum observed plasma concentration
Pharmacokinetics - AUC Up to Cycle 2 Day 14 (each cycle is 28 days) Area under the plasma concentration-time curve
Pharmacokinetics - T-HALF Up to Cycle 2 Day 14 (each cycle is 28 days) Terminal-phase elimination half-life
Pharmacokinetics - Vz/F Up to Cycle 2 Day 14 (each cycle is 28 days) Apparent volume of distribution during terminal phase after non-intravenous administration
Partial response with lymphocytosis (PRL) Up to approximately 3 years As assessed by iwCLL and International Workshop on Chronic Lymphocytic Leukemia (iwCLL) criteria
Pharmacokinetics - CLT/F Up to Cycle 2 Day 14 (each cycle is 28 days) Apparent total clearance of the drug from plasma after oral administration
Objective response rate (ORR) Up to approximately 3 years Sum of complete response (CR), complete response with incomplete marrow recovery (CRi), nodular partial response (nPR), partial response (PR), partial response with lymphocytosis (PRL) determined by iwCLL criteria
Overall survival Up to approximately 3 years Time from first dose of CC-99282 to death from any cause
Partial response (PR) Up to approximately 3 years As assessed by iwC and International Workshop on Chronic Lymphocytic Leukemia (iwCLL) criteria
Pharmacokinetics - Tmax Up to Cycle 2 Day 14 (each cycle is 28 days) Time to Cmax
Duration of response (DoR) Up to approximately 3 years Time from first documentation of response (≥ PR) to the first documentation of PD or death
Progression free survival Up to approximately 3 years Time from first dose of CC-99282 to the first occurrence of disease progression or death from any cause
Complete response with incomplete marrow recovery (CRi) Up to approximately 3 years As assessed by International Workshop on Chronic Lymphocytic Leukemia (iwCLL) criteria
Nodular partial response (nPR) Up to approximately 3 years As assessed by iwCL and International Workshop on Chronic Lymphocytic Leukemia (iwCLL) criteria
Trial Locations
- Locations (15)
Local Institution - 104
🇺🇸Columbus, Ohio, United States
Local Institution - 106
🇺🇸Boston, Massachusetts, United States
Local Institution - 101
🇺🇸Portland, Oregon, United States
Local Institution - 107
🇺🇸Dallas, Texas, United States
Local Institution - 403
🇦🇹Innsbruck, Austria
Local Institution - 201
🇨🇦Toronto, Ontario, Canada
Local Institution - 202
🇨🇦Montreal, Quebec, Canada
Local Institution - 304
🇪🇸Pamplona, Navarra, Spain
Local Institution - 302
🇪🇸Barcelona, Spain
Local Institution - 306
🇪🇸Madrid, Spain
Local Institution - 301
🇪🇸Madrid, Spain
Local Institution - 303
🇪🇸Salamanca, Spain
Local Institution - 305
🇪🇸Valencia, Spain
Local Institution - 402
🇦🇹Wien, Austria
Local Institution - 401
🇦🇹Salzburg, Austria