A Study of Rocbrutinib in Combination With Lacutoclax in Patients With B-Cell Malignancies
A Phase Ib/II, Open-Label, Multicenter Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of BTK Inhibitor Rocbrutinib in Combination With BCL-2 Inhibitor Lacutoclax in Patients With B-Cell Malignancies
Guangzhou Lupeng Pharmaceutical Company LTD.
92 participants
Jul 14, 2026
INTERVENTIONAL
Conditions
Summary
BTK inhibitors and BCL-2 inhibitors have demonstrated significant clinical activity in mature B-cell malignancies, and combination therapy may provide improved clinical benefit. This is a multi-center, open-label, single-arm Phase Ib/II clinical study. The purpose of this clinical trial is to investigate the safety, tolerability, pharmacokinetics, and preliminary efficacy of Rocbrutinib, a fourth-generation Bruton tyrosine kinase inhibitor (BTKi), in combination with the BCL-2 inhibitor Lacutoclax in patients with mature B-cell malignancies. The Phase Ib will use a classic 3+3 dose-escalation design to evaluate dose-limiting toxicities (DLTs), determine the maximum tolerated dose (MTD), and identify the recommended dosing regimen. The Phase II portion is intended to further evaluate the efficacy and safety of the combination therapy.
Eligibility
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Interventions
Phase Ib dose-escalation study of Rocbrutinib in combination with Lacutoclax. Rocbrutinib will be administered at a fixed dose of 150 mg once daily (QD), while Lacutoclax will be dose-escalated. Initial dose levels include Lacutoclax 200 mg QD and 400 mg QD in 28-day treatment cycles.Treatment will continue until disease progression, unacceptable toxicity/intolerance, or completion of the protocol-defined treatment duration, whichever occurs first. In phase II, participants will receive Rocbrutinib monotherapy for 8-12 weeks prior to combination treatment. Upon initiation of combination therapy, Lacutoclax will undergo dose ramp-up to the target dose and will then be administered continuously at the target dose. Treatment will continue until disease progression, unacceptable toxicity/intolerance, or completion of the protocol-defined treatment duration, whichever occurs first.
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NCT07609862