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HMPL-306

Phase 1

Gliomas Harboring IDH1 and/or IDH2 Mutations | Small molecule | Oncology |HUTCHMED (China) Limited|Last Updated: Aug 1, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDBiomarker
Total Trials1
Total Enrollment52
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07025018Phase I Study of HMPL-306 for the Treatment of Gliomas With IDH1 and/or IDH2 MutationsPHASE1 RECRUITING 52Jul 15, 2025Dec 1, 2027Aug 1, 20251 China
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Study Endpoints
Primary Endpoints
Number of Subjects with Dose Limiting Toxicities (DLTs)
Up to 28 days after first dose of study drug

DLT is defined as an adverse event (AE) that meets protocol defined DLT criteria during cycle 1 and is at least possibly related to study drug.

RP2D
From first dose of study drug to the time of progressive disease, assessed up to 24 months on average

Determine the Phase II recommended dose (RP2D) of HMPL-306 in patients with gliomas harboring IDH1 and/or IDH2 mutations based on a comprehensive assessment.

Secondary Endpoints
Maximum serum drug concentration
PK/PD weeks at screening through safety follow-up, assessed up to 24 months on average
Time to maximum concentration
PK/PD weeks at screening through safety follow-up, assessed up to 24 months on average
Area under the concentration-time curve (AUC)
PK/PD weeks at screening through safety follow-up, assessed up to 24 months on average
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Safety run-inEXPERIMENTALThis phase plans to enroll patients with gliomas of IDH1 and/or IDH2 mutations. The DLT will be evaluated during the first 28 days after the initial dosage.
Perioperative study phaseEXPERIMENTALThis phase plans to enroll patients with gliomas of definitive or suspected IDH1 and/or IDH2 mutations, who are scheduled for surgery. Patients who meet the inclusion criteria will be randomized to groups A, B, or C, to receive or not receive HMPL-306 treatment before surgery.
Interventions
NameTypeDescription
HMPL-306DRUGIDH small molecule inhibitor
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: 1. Fully informed about the study and voluntarily sign the informed consent form (ICF). 2. Age ≥ 18 years. 3. Safety Lead-In Phase: Patients with gliomas of a documented IDH1 and/or IDH2 mutation. Perioperative Study Phase: Patients with gliomas of definitive or suspected IDH1 a...

Countries:China
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07025018primaryCompletionDate: changed
LOWMay 24, 2026NCT07025018studyFirstPostDate: changed