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BG-A3004

Phase 1

Skin Diseases | Monoclonal antibody | Dermatology |BeOne Medicines Ltd.|Last Updated: Aug 10, 2026

Target and mechanism

Molecular targetKLRG1
Target classMab
ModalityMonoclonal antibody

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment98

FDA Designations

No designations recorded

Clinical trial landscape

BG-A3004 · 1 trial · 1 indication

Phase 1 1
NCT07412691A Study to Evaluate the Safety of BG-A3004 in Healthy Participants and Patients With Immune-Mediated Skin DiseasesSkin Diseases
RECRUITING98 Analytics
PHASE1RECRUITING
A Study to Evaluate the Safety of BG-A3004 in Healthy Participants and Patients With Immune-Mediated Skin Diseases
Skin DiseasesUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A (SAD) and Part B (MAD): Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)
up to 24 weeks for Part A and 36 weeks for Part B

Number of participants with treatment-emergent adverse events (TEAEs) and serious adverse events (SAEs), including clinically significant abnormalities from laboratory tests, vital signs and electrocardiogram results

Secondary Endpoints

Part A (SAD) and Part B (MAD): Maximum observed serum concentration of BG-3004 (Cmax)
up to 24 weeks for Part A and 36 weeks for Part B
Part A (SAD) and Part B (MAD): Area under the curve (AUC) of BG-3004
up to 24 weeks for Part A and 36 weeks for Part B
Part A (SAD) and Part B (MAD): Half-life of BG-3004 (t1/2)
up to 24 weeks for Part A and 36 weeks for Part B
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: Single Ascending Doses (SAD) of BG-A3004EXPERIMENTALSequential cohorts of increasing dose levels of BG-A3004 will be evaluated after a single dose in healthy participants.
Part B: Multiple Ascending Doses (MAD) of BG-A3004EXPERIMENTALSequential cohorts of increasing dose levels of BG-A3004 will be evaluated after multiple doses in participants with immune-mediated skin diseases.
SAD PlaceboPLACEBO_COMPARATORSequential cohorts of healthy participants will receive a single dose of matching placebo.
MAD PlaceboPLACEBO_COMPARATORSequential cohorts of participants with immune-mediated skin diseases will receive multiple doses of matching placebo.

Interventions

NameTypeDescription
BG-A3004BIOLOGICALAdministered subcutaneously
PlaceboBIOLOGICALAdministered subcutaneously
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Eligibility Criteria

Age Range18 Years to 60 Years
SexALL
Healthy VolunteersYes
Study Sites11

Inclusion Criteria * Evidence of a personally signed and dated informed consent document indicating that the participant has been informed of all pertinent aspects of the study. * Female participants of childbearing potential must be willing to use a highly effective method of birth control and ref...

Countries:China
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Recent Changes (Last 90 Days)

LOWAug 11, 2026NCT07412691lastUpdatePostDate: changed
LOWAug 11, 2026NCT07412691lastUpdatePostDate: changed
LOWAug 11, 2026NCT07412691lastUpdatePostDate: changed
LOWAug 4, 2026NCT07412691lastUpdatePostDate: changed
LOWAug 4, 2026NCT07412691lastUpdatePostDate: changed
LOWJul 8, 2026NCT07412691lastUpdatePostDate: changed
LOWJul 8, 2026NCT07412691lastUpdatePostDate: changed

Frequently asked questions about BG-A3004

What is BG-A3004 used for?

BG-A3004 is an investigational monoclonal antibody being developed for the treatment of immune-mediated skin diseases. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities. The drug is being studied in healthy participants and patients with these conditions.

What does BG-A3004 target?

BG-A3004 targets KLRG1, a receptor expressed on certain immune cells. By binding to KLRG1, the monoclonal antibody is designed to modulate immune responses involved in skin disease pathology. This mechanism is being evaluated in early-stage clinical trials for its safety and potential therapeutic effects.

Who is developing BG-A3004?

BG-A3004 is being developed by BeOne Medicines Ltd., a biopharmaceutical company listed on the stock exchange under the ticker ONC. The company is conducting clinical trials to evaluate the drug's safety and efficacy in immune-mediated skin diseases.

What phase is BG-A3004 in?

BG-A3004 is currently in Phase 1 clinical development. The drug is investigational and has not received regulatory approval. A Phase 1 study is actively recruiting participants to evaluate its safety in healthy volunteers and patients with immune-mediated skin diseases.

What clinical trials is BG-A3004 in?

BG-A3004 is being studied in a Phase 1 clinical trial registered as NCT07412691. This randomized, double-blind, placebo-controlled study is evaluating the safety of BG-A3004 in healthy participants and patients with immune-mediated skin diseases. The trial is recruiting in China and aims to enroll 98 participants aged 18 years and older.

Is BG-A3004 the same as KLRG1 antibody?

BG-A3004 is a monoclonal antibody that specifically targets KLRG1. While it is not known by alternative names, its mechanism of action involves binding to the KLRG1 receptor. This distinguishes it from other antibodies that may target different molecules in the immune system.