Study of Bcl-2 Inhibitor BGB-11417 in Participants With Mature B-Cell Malignancies

About

Brief Summary

The purpose of this study is to determine the safety, tolerability; and to define the maximum tolerated dose (MTD) and Recommended Phase 2 Dose (RP2D); and to evaluate the safety and tolerability of the ramp-up dosing schedule and at the RP2D of BGB-11417 monotherapy, and when given in combination with zanubrutinib and obinutuzumab.

Primary Purpose

Treatment

Study Type

Interventional

Phase

Phase 1

Eligibility

Gender

All

Healthy Volunteers

Minimum Age

18 Years

Maximum Age

N/A

Key Inclusion Criteria:

Confirmed diagnosis of one of the following: NHL Cohorts:

MZL i. R/R extranodal, splenic, or nodal MZL defined as disease that relapsed after, or was refractory to, at least one prior therapy ii. Active disease requiring treatment
FL i. R/R FL (Grade 1, 2 or 3a based on the WHO 2008 classification of tumors of hematopoietic and lymphoid tissue) and defined as disease that relapsed after, or was refractory to, at least 1 prior systemic therapy
DLBCL i. R/R DLBCL (including all subtypes of DLBCL) defined as disease that relapsed after, or was refractory to, at least two prior systemic therapies and has either progressed following or is not a candidate for autologous stem cell transplant (due to comorbidities or non-responsiveness to salvage chemotherapy)
Transformed indolent B-cell NHL i. Any lymphoma otherwise eligible for Part 1 that has transformed into a more aggressive lymphoma. Patients with transformation from CLL or SLL (Richter's transformation) are not eligible for Part 1 CLL/SLL Cohorts:
CLL/SLL diagnosis that meets the International Workshop on Chronic Lymphocytic Leukemia (IWCLL) criteria i. Disease characterized as Treatment Naive (TN) or R/R disease defined as disease that relapsed after, or was refractory to, at least 1 prior therapy ii. Requiring treatment as defined by history MCL cohorts:
WHO-defined MCL I. R/R MCL defined as disease that relapsed after, or was refractory to, at least 1 prior systemic therapy; ii. Requiring treatment in the opinion of the investigatorr WM cohorts: g. WHO-defined WM (clinical and definitive histologic diagnosis) i. R/R disease defined as disease that relapsed after, or was refractory to, at least 1 prior therapy; ii. Meeting at least 1 criterion for treatment according to consensus panel criteria from the Seventh International Workshop on Waldenström's Macroglobulinemia (Dimopoulos et al 2014)

Measurable disease by computed tomography (CT)/magnetic resonance imaging (MRI), defined as:
- CLL: at least 1 lymph node > 1.5 cm in longest diameter and measurable in 2 perpendicular dimensions or clonal lymphocytes measured by flow cytometry
- DLBCL, FL, MZL, SLL: at least 1 lymph node > 1.5 cm in longest diameter OR 1 extranodal lesion > 1.0 cm in the longest diameter, measurable in at least 2 perpendicular dimensions. For MZL, isolated splenomegaly is considered measurable for this study
Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2
Adequate organ function
Adequate pancreatic function indicated by:
- Serum amylase ≤ 1.5 x upper limit of normal (ULN)
- Serum lipase ≤ 1.5 x ULN

Key Exclusion Criteria:

Known central nervous system involvement by lymphoma/leukemia
Known plasma cell neoplasm, prolymphocytic leukemia, history of or currently suspected Richter's syndrome
Prior therapy ≥ 2 months with or progression on a B-cell lymphoma-2 (Bcl-2) inhibitor

NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

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