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A Phase 1b/2, Open-Label, Master Protocol Study of BTK-Degrader BGB-16673 in Combination With Other Agents in Patients With Relapsed or Refractory B-Cell Malignancies

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-516234-35-00
Acronym
BGB-16673-104
Enrollment
99
Registered
2025-09-23
Start date
2025-10-15
Completion date
Unknown
Last updated
2026-01-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Relapsed or Refractory B-Cell Malignancies

Brief summary

Number of patients with dose-limiting toxicities (Part 1a), Number of patients with treatment-emergent adverse events (Part 1a, part 1b), Number of patients with treatment-related adverse events (Part 1a, part 1b), Number of patients with serious adverse events (Part 1a, part 1b)

Detailed description

Overall response rate (ORR) as assessed by the investigator (Part 1a, part 1b), Duration of response (DOR) (Part 1a, part 1b), Time-to-response (TTR) (Part 1a, part 1b), Derived PK parameters of BGB-16673 (Part 1a), Plasma concentration data (Part 1a, part 1b), Number of patients with complete response/complete response with incomplete count recovery (CR/CRi) who achieve uMRD status with < 10^(-4) sensitivity in peripheral blood and/or bone marrow (Part 1b, sub-study 1 only), Derived PK parameters of sonrotoclax (Part 1a, sub-study 1 only)

Interventions

DRUGMosunetuzumab
DRUGGazyvaro 1
DRUG000 mg concentrate for solution for infusion.
DRUGZanubrutinib

Sponsors

BeOne Medicines AG
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Number of patients with dose-limiting toxicities (Part 1a), Number of patients with treatment-emergent adverse events (Part 1a, part 1b), Number of patients with treatment-related adverse events (Part 1a, part 1b), Number of patients with serious adverse events (Part 1a, part 1b)

Secondary

MeasureTime frame
Overall response rate (ORR) as assessed by the investigator (Part 1a, part 1b), Duration of response (DOR) (Part 1a, part 1b), Time-to-response (TTR) (Part 1a, part 1b), Derived PK parameters of BGB-16673 (Part 1a), Plasma concentration data (Part 1a, part 1b), Number of patients with complete response/complete response with incomplete count recovery (CR/CRi) who achieve uMRD status with < 10^(-4) sensitivity in peripheral blood and/or bone marrow (Part 1b, sub-study 1 only), Derived PK parameters of sonrotoclax (Part 1a, sub-study 1 only)

Countries

Germany, Italy, Poland

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026