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

NCT ID: NCT06625593

Last Updated: 2025-11-12

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

168 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-12-09

Study Completion Date

2026-12-31

Brief Summary

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The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics, and preliminary antitumor activity of BG-C137 alone and in combination with anticancer agents in participants with advanced solid tumors. The study will be conducted in two phases: Phase 1a (Monotherapy Dose Escalation, and Safety Expansion; Combination Dose Confirmation and Safety Expansion) and Phase 1b (Dose Expansion).

Detailed Description

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Conditions

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Advanced Solid Tumor

Keywords

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BG-C137 Advanced Solid Tumor First-in-human FGFR2b ADC Fibroblast growth factor receptor 2b

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Phase 1a: Monotherapy Dose Escalation and Safety Expansion

Sequential cohorts of increasing dose levels of BG-C137 will be evaluated as monotherapy

Group Type EXPERIMENTAL

BG-C137

Intervention Type DRUG

Administered intravenously

Phase 1a: Combination Therapy Dose Confirmation and Safety Expansion

Sequential 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

Group Type EXPERIMENTAL

BG-C137

Intervention Type DRUG

Administered intravenously

Anticancer Agents

Intervention Type DRUG

Administered intravenously or orally

Phase 1b: Dose Expansion

Recommended Dose(s) of BG-C137 as determined from Ph1a will be evaluated in select indications

Group Type EXPERIMENTAL

BG-C137

Intervention Type DRUG

Administered intravenously

Interventions

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BG-C137

Administered intravenously

Intervention Type DRUG

Anticancer Agents

Administered intravenously or orally

Intervention Type DRUG

Eligibility Criteria

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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 tolerated or determined not appropriate based on the investigator's judgment. Combo Dose Confirmation, Combo Safety Expansion, and Dose Expansion: Participants who have received at least 1 or 2 prior lines of systemic therapy, which included a fluoropyrimidine and/or a platinum in the advanced or metastatic setting
4. Tumors with FGFR2b expression/ or FGFR2 gene amplification. Participants must provide agreement for collection of archival tissue or recently obtained fresh tumor biopsy for central evaluation of FGFR2b expression levels and other biomarker assessments.
5. ≥ 1 measurable lesion per RECIST v1.1.
6. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1.
7. Adequate organ function as determined per protocol.

Exclusion Criteria

1. Prior exposure to topoisomerase I inhibitor (TOP1i)-based antibody-drug conjugate (ADC) therapies or FGFR2b-targeted ADC therapies.
2. Active or chronic corneal disorder, history of corneal transplantation, corneal keratitis, keratoconjunctivitis, keratopathy, corneal abrasion, inflammation or ulceration, other active ocular conditions and any clinically significant corneal disease that prevents adequate monitoring of drug-induced keratopathy.
3. Spinal cord compression, or active leptomeningeal disease or uncontrolled, untreated brain metastasis.
4. Systemic antitumor therapy (including targeted therapy and immunotherapy ≤ 14 days, ≤ 28 days for immuno- oncological antibody, ≤ 14 days or 5 half-lives \[whichever is shorter\] for chemotherapy, ADCs, or investigational therapy) before first dose of study drug(s).
5. Toxicities due to prior therapy that have not recovered.
6. Any malignancy ≤ 2 years before first dose of study drug(s) except for the specific cancer under investigation in this study and any locally recurring cancer that has been treated curatively.
7. History of interstitial lung disease (ILD), noninfectious pneumonitis, oxygen saturation at rest \< 92%, or requirement for supplemental oxygen at baseline.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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BeOne Medicines

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Study Director

Role: STUDY_DIRECTOR

BeOne Medicines

Locations

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Usc Norris Comprehensive Cancer Center (Nccc)

Los Angeles, California, United States

Site Status RECRUITING

Yale Cancer Center

New Haven, Connecticut, United States

Site Status RECRUITING

Mayo Clinic Rochester

Rochester, Minnesota, United States

Site Status RECRUITING

Md Anderson Cancer Center

Houston, Texas, United States

Site Status RECRUITING

Fred Hutchinson Cancer Research Center

Seattle, Washington, United States

Site Status RECRUITING

University of Wisconsin

Madison, Wisconsin, United States

Site Status RECRUITING

Blacktown Cancer and Haematology Centre

Blacktown, New South Wales, Australia

Site Status RECRUITING

Liverpool Hospital

Liverpool, New South Wales, Australia

Site Status RECRUITING

Icon Cancer Centre South Brisbane

South Brisbane, Queensland, Australia

Site Status RECRUITING

Monash Health

Clayton, Victoria, Australia

Site Status RECRUITING

Cabrini Hospital Malvern

Malvern East, Victoria, Australia

Site Status RECRUITING

Beijing Cancer Hospital

Beijing, Beijing Municipality, China

Site Status RECRUITING

The Tumor Hospital Affiliated to Guangxi Medical Universitywuxiang Branch

Nanning, Guangxi, China

Site Status RECRUITING

Henan Cancer Hospital

Zhengzhou, Henan, China

Site Status RECRUITING

Hubei Cancer Hospital

Wuhan, Hubei, China

Site Status RECRUITING

Affiliated Hospital of Jiangnan University South Campus

Wuxi, Jiangsu, China

Site Status RECRUITING

Affiliated Zhongshan Hospital of Fudan University

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

Shanghai East Hospital Branch Hospital

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

Seoul National University Bundang Hospital

BundangGu SeongnamSi, Gyeonggi-do, South Korea

Site Status RECRUITING

Samsung Medical Center

GangnamGu, Seoul Teugbyeolsi, South Korea

Site Status RECRUITING

Severance Hospital Yonsei University Health System

SeodaemunGu, Seoul Teugbyeolsi, South Korea

Site Status RECRUITING

Seoul National University Hospital

Seoul, Seoul Teugbyeolsi, South Korea

Site Status RECRUITING

Asan Medical Center

SongpaGu, Seoul Teugbyeolsi, South Korea

Site Status RECRUITING

Countries

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Japan United States Australia China South Korea

Central Contacts

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Study Director

Role: CONTACT

Phone: 1.877.828.5568

Email: [email protected]

Other Identifiers

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2025-523572-23-00

Identifier Type: CTIS

Identifier Source: secondary_id

CTR20244835

Identifier Type: OTHER

Identifier Source: secondary_id

BG-C137-101

Identifier Type: -

Identifier Source: org_study_id