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BG-C137

Phase 1

Advanced Solid Tumor | Small molecule | Oncology |BeOne Medicines Ltd.|Last Updated: Jul 9, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment168

FDA Designations

No designations recorded

Clinical trial landscape

BG-C137 · 1 trial · 1 indication

Phase 1 1
NCT06625593A First-in-Human (FIH) Study of BG-C137, an Anti-Fibroblast Growth Factor Receptor 2b (FGFR2b) Antibody Drug Conjugate, in Participants With Advanced Solid TumorsAdvanced Solid Tumor
RECRUITING168 Analytics
PHASE1RECRUITING
A First-in-Human (FIH) Study of BG-C137, an Anti-Fibroblast Growth Factor Receptor 2b (FGFR2b) Antibody Drug Conjugate, in Participants With Advanced Solid Tumors
Advanced Solid TumorUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase 1a: Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)
Up to approximately 2 years

Number of participants with AEs and SAEs as graded by the National Cancer Institute- Common Terminology Criteria for Adverse Events Version (NCI CTCAE 5.0)), including AEs that meet protocol-defined dose-limiting toxicity (DLT) criteria and AEs meeting protocol-defined adverse event of clinical interest (AECIs)

Phase 1a: Maximum Tolerated Dose (MTD) or Maximum Administered Dose (MAD) of BG-C137
Up to approximately 2 years

The MTD or MAD is defined as the highest dose evaluated for which the estimated toxicity rate is closest to a target toxicity rate, or the highest dose administered, respectively.

Phase 1a: Recommended Dose(s) for Expansion (RDFE[s]) of BG-C137 as monotherapy and in combination with anticancer agents
Up to approximately 2 years

RDFE(s) is determined based on relevant data, as available

Phase 1b: The recommended Phase 2 dose (RP2D) of BG-C137
Up to approximately 2 years

The RP2D of BG-C137 monotherapy will be determined based on relevant data, as available

Phase 1b: Overall Response Rate (ORR)
Up to approximately 2 years

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

Secondary Endpoints

Phase 1a: ORR
Up to approximately 2 years
Phase 1a and 1b: Disease Control Rate (DCR)
Up to approximately 2 years
Phase 1a and 1b: Duration of Response (DOR)
Up to approximately 2 years
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Phase 1a: Monotherapy Dose Escalation and Safety ExpansionEXPERIMENTALSequential cohorts of increasing dose levels of BG-C137 will be evaluated as monotherapy
Phase 1a: Combination Therapy Dose Confirmation and Safety ExpansionEXPERIMENTALSequential cohorts will be evaluated to confirm the safety levels of BG-C137 in combination with other anticancer agents at selected dose levels that have been determined to be safe in Monotherapy Dose Escalation
Phase 1b: Dose ExpansionEXPERIMENTALRecommended Dose(s) of BG-C137 as determined from Ph1a will be evaluated in select indications

Interventions

NameTypeDescription
BG-C137DRUGAdministered intravenously
Anticancer AgentsDRUGAdministered intravenously or orally
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites52

Inclusion Criteria: 1. Histologically or cytologically confirmed advanced or metastatic solid tumors. 2. Life expectancy of ≥ 3 months. 3. Prior standard systemic therapy in the advanced or metastatic setting. Dose Escalation: Participants for whom further standard treatment is not available, not t...

Countries:United StatesAustraliaChinaSouth Korea
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Competitive Landscape -Other Solid Tumors 9 trials (matched to "Advanced Solid Tumor")

Recent Changes (Last 90 Days)

LOWJul 9, 2026NCT06625593lastUpdatePostDate: changed
LOWJul 9, 2026NCT06625593lastUpdatePostDate: changed
LOWJun 22, 2026NCT06625593lastUpdatePostDate: changed
LOWJun 22, 2026NCT06625593lastUpdatePostDate: changed

Frequently asked questions about BG-C137

What is BG-C137 used for?

BG-C137 is an investigational antibody drug conjugate being studied for the treatment of advanced solid tumors. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

What does BG-C137 target?

BG-C137 targets fibroblast growth factor receptor 2b (FGFR2b). It is an antibody drug conjugate designed to deliver a therapeutic payload to cells expressing FGFR2b, which is being evaluated in patients with advanced solid tumors.

Who is developing BG-C137?

BG-C137 is being developed by BeOne Medicines Ltd., a biopharmaceutical company listed on the stock exchange under the ticker symbol ONC. The company is conducting a Phase 1 clinical trial to evaluate the drug in patients with advanced solid tumors.

What phase is BG-C137 in?

BG-C137 is in Phase 1 clinical development. It is an investigational drug and has not yet been approved by the FDA or other regulatory agencies. The ongoing Phase 1 trial is recruiting participants with advanced solid tumors.

What clinical trials is BG-C137 in?

BG-C137 is being studied in a first-in-human Phase 1 clinical trial with the identifier NCT06625593. This trial is recruiting 168 participants with advanced solid tumors across the United States, Australia, China, and South Korea.

Is BG-C137 the same as an FGFR2b antibody drug conjugate?

BG-C137 is an anti-FGFR2b antibody drug conjugate. It is designed to target the FGFR2b protein, which is expressed on certain tumor cells. The drug is being investigated for its potential to treat advanced solid tumors in a Phase 1 clinical trial.