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BGB-C354

Phase 1

Advanced Solid Tumor | Small molecule | Oncology |BeOne Medicines Ltd.|Last Updated: Jun 8, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment120
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06422520A First-in-Human Study of BGB-C354 Alone and in Combination With Tislelizumab in Participants With Advanced Solid TumorsPHASE1 COMPLETED 63Jul 8, 2024May 15, 2026Jun 8, 202614 United States, Australia +1
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Study Endpoints
Primary Endpoints
Phase 1a: Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)
Approximately 24 months

Number of participants with AEs and SAEs characterized by type, frequency, severity (as graded by the National Cancer Institute- Common Terminology Criteria for Adverse Events Version 5.0 \[NCI-CTCAE v 5.0\]), timing, seriousness, and relationship to study drug(s); physical examinations; electrocardiograms (ECGs); and laboratory assessments as needed; and adverse events meeting protocol-defined dose-limiting toxicity (DLT) criteria

Phase 1a: Maximum Tolerated Dose (MTD) or Maximum Administered Dose (MAD) of BGB-C354
Approximately 1 month

Defined as the highest dose evaluated for which the estimated toxicity rate is closest to the target toxicity rate of 30% or the highest dose administered, respectively

Phase 1a: Recommended Dose for Expansion (RDFE) of BGB-C354
Approximately 24 months

The potential RDFE(s) of BGB-C354 will be determined based on the MTD or MAD, taking into consideration the long-term tolerability, pharmacokinetics (PK), preliminary antitumor activity, and any other relevant data, as available

Phase 1b: Overall Response Rate (ORR)
Approximately 24 months

ORR is defined as the percentage of participants with best overall response (BOR) of complete response (CR) or partial response (PR) assessed by the investigator using Response Evaluations Criteria in Solid Tumors Version 1.1 (RECIST v1.1).

Phase 1b: Recommended Phase 2 dose (RP2D) of BGB-C354 alone and in combination with tislelizumab
Approximately 24 months

The RP2D of BGB-C354 will be determined based on safety, PK, pharmacodynamics, preliminary antitumor activity, and other relevant data, as available.

Secondary Endpoints
Phase 1a: ORR
Approximately 24 months
Duration of Response (DOR)
Approximately 24 months
Disease Control Rate (DCR)
Approximately 24 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Phase 1a: Part A (Monotherapy Dose Escalation)EXPERIMENTALBGB-C354 monotherapy doses at sequentially increasing levels.
Phase 1a: Part B (Safety Expansion)EXPERIMENTALParticipants will enroll at safe dose levels recommended by the Safety Monitoring Committee (SMC) for further evaluation.
Phase 1b: Part C (Monotherapy Expansion)EXPERIMENTALBGB-C354 will be administered at the recommended dose for expansion (RDFE).
Phase 1b: Part D (Combination Therapy Expansion)EXPERIMENTALBGB-C354 and tislelizumab will be adminsitered at doses determined by the SMC.
Interventions
NameTypeDescription
BGB-C354DRUGAdministered by intravenous infusion
TislelizumabDRUGAdministered by intravenous infusion
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites14

Inclusion Criteria: 1. Able to provide a signed and dated written informed consent prior to any study-specific procedures, sampling, or data collection. 2. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1. 3. Participants with histologically or cytologically confirmed advanced...

Countries:United StatesAustraliaChina
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Recent Changes (Last 90 Days)
HIGHJun 8, 2026NCT06422520Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHJun 8, 2026NCT06422520Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHJun 8, 2026NCT06422520Status: ACTIVE_NOT_RECRUITING → COMPLETED
LOWMay 26, 2026NCT06422520primaryCompletionDate: changed
LOWMay 24, 2026NCT06422520studyFirstPostDate: changed