A Phase 2 Open-Label Study of the Efficacy and Safety of ABT-199 (GDC-0199) in Chronic Lymphocytic Leukemia (CLL) Subjects With Relapse or Refractory to B-Cell Receptor Signaling Pathway Inhibitor Therapy
Chronic Lymphocytic Leukemia
About this trial
This is an interventional treatment trial for Chronic Lymphocytic Leukemia focused on measuring Oncology, Chronic Lymphocytic Leukemia, Cancer of the blood and bone marrow
Eligibility Criteria
Inclusion Criteria:
- Participant must have a diagnosis of chronic lymphocytic leukemia (CLL) that meets 2008 Modified International Workshop on Chronic Lymphocytic Leukemia National Cancer Institute-Working Group (IWCLL NCI-WG) criteria
- Participant has relapsed/refractory disease with an indication for treatment
- Participant has refractory disease or developed recurrence after therapy with a B-cell receptor pathway inhibitor (BCR PI)
- Participant must have an Eastern Cooperative Oncology Group performance score of ≤ 2
- Participant must have adequate bone marrow function at Screening
- Participant must have adequate coagulation profile, renal, and hepatic function, per laboratory reference range at Screening
Exclusion Criteria:
- Participant has undergone an allogeneic stem cell transplant within the past year
- Participant has developed Richter's transformation confirmed by biopsy
- Participant has active and uncontrolled autoimmune cytopenia
- Participant has malabsorption syndrome or other condition that precludes enteral route of administration
- Participant is human immunodeficiency virus (HIV) positive or has chronic hepatitis B or hepatitis C virus requiring treatment
- Participant has known contraindication or allergy to both xanthine oxidase inhibitors and rasburicase
Sites / Locations
- Moores Cancer Center at UC San Diego /ID# 128535
- University of California, Los Angeles /ID# 127262
- Stanford University School of Med /ID# 126495
- Georgetown University Hospital /ID# 127261
- Emory Midtown Infectious Disease Clinic /ID# 131249
- Northwestern University Feinberg School of Medicine /ID# 126497
- Beth Israel Deaconess Medical Center /ID# 134509
- Dana-Farber Cancer Institute /ID# 126496
- Columbia Univ Medical Center /ID# 128536
- New York Presbyterian Hospital Weill Cornell Medical Center /ID# 129648
- Univ Rochester Med Ctr /ID# 130011
- The Ohio State University /ID# 127263
- University of Pennsylvania /ID# 126860
- University of Texas MD Anderson Cancer Center /ID# 126498
- University of Utah /ID# 130813
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
ABT-199 after ibrutinib therapy
ABT-199 after idelalisib therapy
ABT-199 after ibrutinib therapy: Expansion Cohort
ABT-199 after idelalisib therapy: Expansion Cohort
Participants with ibrutinib-resistant or refractory chronic lymphocytic leukemia (CLL) received venetoclax tablets once daily (QD) until disease progression or study drug discontinuation; median time on treatment was 593 days. The starting dose was 20 mg daily, increasing over a period of 5 weeks up to the daily dose of 400 mg.
Participants with idelalisib-resistant or refractory chronic lymphocytic leukemia (CLL) received venetoclax tablets once daily (QD) until disease progression or study drug discontinuation; median time on treatment was 1023 days. The starting dose was 20 mg daily, increasing over a period of 5 weeks up to the daily dose of 400 mg.
Participants with ibrutinib-resistant or refractory chronic lymphocytic leukemia (CLL) received venetoclax tablets once daily (QD) until disease progression or study drug discontinuation; median time on treatment was 622 days. The starting dose was 20 mg daily, increasing over a period of 5 weeks up to the daily dose of 400 mg. Participants enrolled into the Expansion Cohort with bulky disease at study entry who were non-responders or those who showed signs of clinical progression after completing the ramp up to 400 mg either by clinical disease assessment or by CT/MRI scan between Week 6 to Week 12 may have been permitted to escalate venetoclax to a daily dose of 600 mg.
Participants with idelalisib-resistant or refractory chronic lymphocytic leukemia (CLL) received venetoclax tablets once daily (QD) until disease progression or study drug discontinuation; median time on treatment was 1189 days. The starting dose was 20 mg daily, increasing over a period of 5 weeks up to the daily dose of 400 mg. Participants enrolled into the Expansion Cohort with bulky disease at study entry who were non-responders or those who showed signs of clinical progression after completing the ramp up to 400 mg either by clinical disease assessment or by CT/MRI scan between Week 6 to Week 12 may have been permitted to escalate venetoclax to a daily dose of 600 mg.