The purpose of this study is to measure the safety, preliminary antitumor activity, pharmacokinetics, and pharmacodynamics with BGB-16673 in combination with other agents in participants with relapsed or refractory (R/R) B-cell malignancies. This study is structured as a master protocol with separate substudies. This study currently includes four substudies, and more substudies may be added as other combination agents are identified.
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Substudy 1 Part 1a: Number of participants with dose-limiting toxicities (DLTs), treatment-emergent adverse events, treatment-related adverse events, and serious adverse events
Timeframe: From the first dose of study drug(s) to 30 days after the last dose; up to approximately 2 years
Substudy 1 Part 1b: Number of participants with treatment-emergent adverse events, treatment-related adverse events, and serious adverse events
Timeframe: From the first dose of study drug(s) to 30 days after the last dose; up to approximately 2 years
Substudy 2 Part 1a: Number of participants with dose-limiting toxicities (DLTs), treatment-emergent adverse events, treatment-related adverse events, and serious adverse events
Timeframe: From the first dose of study drug(s) to 30 days after the last dose; up to approximately 2 years
Substudy 2 Part 1b: Number of participants with treatment-emergent adverse events, treatment-related adverse events, and serious adverse events
Timeframe: From the first dose of study drug(s) to 30 days after the last dose; up to approximately 2 years
Substudy 3 Part 1a: Number of participants with dose-limiting toxicities (DLTs), treatment-emergent adverse events, treatment-related adverse events, and serious adverse events
Timeframe: From the first dose of study drug(s) to 30 days after the last dose; up to approximately 2 years
Substudy 3 Part 1b: Number of participants with treatment-emergent adverse events, treatment-related adverse events, and serious adverse events
Timeframe: From the first dose of study drug(s) to 30 days after the last dose; up to approximately 2 years]
Substudy 4 Part 1a: Number of participants with dose-limiting toxicities (DLTs), treatment-emergent adverse events, treatment-related adverse events, and serious adverse events
Timeframe: From the first dose of study drug(s) to 30 days after the last dose; up to approximately 2 years
Substudy 4 Part 1b: Number of participants with treatment-emergent adverse events, treatment-related adverse events, and serious adverse events
Timeframe: From the first dose of study drug(s) to 30 days after the last dose; up to approximately 2 years