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BG-75098

Phase 1

Advanced Solid Tumor | Small molecule | Oncology |BeOne Medicines Ltd.|Last Updated: Aug 19, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment105

FDA Designations

No designations recorded

Clinical trial landscape

BG-75098 · 1 trial · 1 indication

Phase 1 1
NCT07226349A Study of BG-75098 Alone and in Combination With Other Agents in Adults With Advanced Solid TumorsAdvanced Solid Tumor
RECRUITING105 Analytics
PHASE1RECRUITING
A Study of BG-75098 Alone and in Combination With Other Agents in Adults With Advanced Solid Tumors
Advanced Solid TumorUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase 1a: Number of Participants with Adverse Events (AEs)
From first dose to 30 days after last dose, up to approximately 12 months

Number of participants with treatment-emergent adverse events (TEAEs) and serious adverse events (SAEs), including physical examination findings, electrocardiogram results, laboratory values, and AEs meeting protocol-defined dose-limiting toxicity (DLT) criteria.

Phase 1a: Maximum Tolerated Dose (MTD) or Maximum Administered Dose (MAD) of BG-75098
Up to approximately 2 years

MTD is determined based on a target for dose-limiting toxicities. MAD is defined as the maximum administered dose, and it is used when MTD is not reached.

Phase 1a: Recommended Dose(s) for Expansion (RDFE[s]) of BG-75098 as Monotherapy and in Combination with BGB-43395 and Fulvestrant
Up to approximately 2 years

The RDFE(s) will be determined from safety, tolerability, pharmacokinetic, pharmacodynamic biomarker(s), preliminary antitumor activity, and any other relevant data that are obtained from the dose escalation phase.

Phase 1b: Objective Response Rate (ORR) as Assessed by the Investigator
Up to approximately 2 years

ORR is defined as the percentage of participants with best overall response of complete response (CR) or partial response (PR), as assessed by the investigator using RECIST v1.1.

Secondary Endpoints

Phase 1a: ORR as Assessed by the Investigator
Up to approximately 2 years
Phase 1a: Duration of Response (DOR) as Assessed by the Investigator
Up to approximately 2 years
Phase 1a: Time to Response (TTR) as Assessed by the Investigator
Up to approximately 2 years
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Phase 1a, Part A: Dose Escalation, BG-75098 MonotherapyEXPERIMENTALSequential cohorts of increasing dose levels of BG-75098 will be evaluated as monotherapy.
Phase 1a, Part B: Dose Escalation, BG-75098 CombinationEXPERIMENTALSequential cohorts of increasing dose levels of BG-75098 will be evaluated in combination with BGB-43395 and fulvestrant.
Phase 1b, Cohort 1: Dose Expansion, BG-75098 CombinationEXPERIMENTALParticipants will receive BG-75098 at the recommended dose level from Phase 1a in combination with BGB-43395 and fulvestrant.
Phase 1b, Cohort 2: Dose Expansion, BG-75098 MonotherapyEXPERIMENTALParticipants will receive BG-75098 as monotherapy at the recommended dose level from Phase 1a.

Interventions

NameTypeDescription
BG-75098DRUGAdministered orally.
BGB-43395DRUGAdministered orally.
FulvestrantDRUGAdministered by intramuscular injection.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites22

Inclusion Criteria: * Participants must have measurable disease as assessed by RECIST v1.1. * Participants must have a stable Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1. * Participants must have adequate organ function. * Dose Escalation Part A: Participants with histolo...

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

Recent Changes (Last 90 Days)

LOWAug 20, 2026NCT07226349lastUpdatePostDate: changed
LOWAug 20, 2026NCT07226349lastUpdatePostDate: changed
LOWAug 20, 2026NCT07226349lastUpdatePostDate: changed
LOWAug 20, 2026NCT07226349lastUpdatePostDate: changed
LOWJul 10, 2026NCT07226349lastUpdatePostDate: changed
LOWJul 10, 2026NCT07226349lastUpdatePostDate: changed

Frequently asked questions about BG-75098

What is BG-75098 used for?

BG-75098 is an investigational small molecule being developed for the treatment of advanced solid tumors. It is currently in Phase 1 clinical development, meaning it has not yet been approved by regulatory authorities and is still being studied in clinical trials.

Who makes BG-75098?

BG-75098 is being developed by BeOne Medicines Ltd., a biopharmaceutical company listed on the stock exchange under the ticker symbol ONC. The company is conducting clinical trials to evaluate the safety and efficacy of this investigational drug in patients with advanced solid tumors.

What phase is BG-75098 in?

BG-75098 is in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities and is still being studied in clinical trials to assess its safety, tolerability, and preliminary efficacy in patients with advanced solid tumors.

What clinical trials is BG-75098 in?

BG-75098 is being studied in a Phase 1 clinical trial with the identifier NCT07226349. This trial is titled 'A Study of BG-75098 Alone and in Combination With Other Agents in Adults With Advanced Solid Tumors' and is currently recruiting participants in the United States, Australia, China, and Denmark.

Is BG-75098 the same as any other drug?

BG-75098 is the primary name for this investigational drug. No alternative names have been reported for this compound. It is being developed by BeOne Medicines Ltd. and is currently in Phase 1 clinical trials for the treatment of advanced solid tumors.