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Lifirafenib

Phase 1

Solid Tumor, Adult | Small molecule | Oncology |BeOne Medicines Ltd.|Last Updated: Jan 7, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDBiomarker
Total Trials1
Total Enrollment91

FDA Designations

No designations recorded

Clinical trial landscape

Lifirafenib · 1 trial · 1 indication

Phase 1 1
NCT03905148Study of the Safety and Pharmacokinetics of BGB-283 (Lifirafenib) and PD-0325901 (Mirdametinib) in Participants With Advanced or Refractory Solid TumorsSolid Tumor, Adult
COMPLETED91 Analytics
PHASE1COMPLETED
Study of the Safety and Pharmacokinetics of BGB-283 (Lifirafenib) and PD-0325901 (Mirdametinib) in Participants With Advanced or Refractory Solid Tumors
Solid Tumor, AdultUnlock trial analytics

Study Endpoints

Primary Endpoints

Adverse Events and Serious Adverse Events
Approximately 2 years from date of the participants enrollment

Incidence and severity of AEs and SAEs and graded according to the National Cancer Institute's Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 5.0

The incidence of DLT events and treatment-emergent AEs (TEAEs)
Approximately 2 years from date of the participants enrollment
Objective response rate based on Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1 in participants with selected tumor types
Approximately 2 years from date of the participants enrollment
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: Dose Escalation/Dose finding Dose Level Cohorts ranging in dose levels and dose regimens.EXPERIMENTALCombination doses of, Mirdametinib at once a day and lifirafenib at once a day And Mirdametinib at twice a day and lifirafenib at once a day
Part B: ExpansionEXPERIMENTALApproximately 20 participants with NRAS mutated solid tumors will be enrolled

Interventions

NameTypeDescription
LifirafenibDRUGRAF Dimer Inhibitor
mirdametinibDRUGMEK Inhibitor
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites6

Key Inclusion Criteria: 1. Able to provide informed consent 2. Age 18 on day of signing informed consent form (ICF) or of the legal age of consent in the jurisdiction in which the study is taking place 3. Advanced or metastatic, unresectable tumors (other than patients with tumors of the brain or c...

Countries:United StatesAustralia
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Frequently asked questions about Lifirafenib

What is Lifirafenib used for?

Lifirafenib is an investigational small molecule being studied for the treatment of solid tumors in adults. It is currently in Phase 1 clinical development, meaning it has not yet been approved by regulatory authorities. The drug is being evaluated for its safety and pharmacokinetics in patients with advanced or refractory solid tumors.

Who makes Lifirafenib?

Lifirafenib is being developed by BeOne Medicines Ltd., a biopharmaceutical company traded under the ticker symbol ONC. The company is conducting clinical research to evaluate the drug's potential in oncology, specifically for adult patients with solid tumors.

What phase is Lifirafenib in?

Lifirafenib is currently in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved by the FDA or any other regulatory agency. The Phase 1 trial has been completed, and the drug remains in early-stage clinical research for the treatment of solid tumors in adults.

What clinical trials is Lifirafenib in?

Lifirafenib has been studied in one clinical trial, registered as NCT03905148. This Phase 1 study evaluated the safety and pharmacokinetics of Lifirafenib in combination with PD-0325901 (Mirdametinib) in participants with advanced or refractory solid tumors. The trial enrolled 91 participants and was conducted in the United States and Australia.

Is Lifirafenib the same as BGB-283?

Yes, Lifirafenib is also known as BGB-283. In clinical trial NCT03905148, the drug is referred to as BGB-283 (Lifirafenib). This alternative name may appear in scientific literature and trial registrations, but both names refer to the same investigational drug being developed by BeOne Medicines Ltd.