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HMPL-306

Phase 3

Acute Myeloid Leukemia | Small molecule | Oncology |HUTCHMED (China) Limited|Trials Updated: Aug 13, 2025

HMPL-306 development status

Highest phase Phase 3
Registered trials 4 across 2 sponsors since Feb 2020

HMPL-306 target and mechanism

Molecular targetIDH1 and IDH2
Target classEnzymes
ModalitySmall molecule

Also known as HMPL-306 Regimen

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDBiomarker
Total Trials2
Total Enrollment368

FDA Designations

No designations recorded

HMPL-306 clinical trials

HMPL-306 · 2 trials · 2 indications

Phase 3 1Phase 1 1
NCT06387069A Study to Evaluate HMPL-306 in Patients With IDH1or IDH2-mutated Acute Myeloid LeukemiaAcute Myeloid Leukemia
RECRUITING316 Analytics
PHASE3RECRUITING
A Study to Evaluate HMPL-306 in Patients With IDH1or IDH2-mutated Acute Myeloid Leukemia
Acute Myeloid LeukemiaUnlock trial analytics

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

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-306 RegimenDRUGPatients will receive HMPL-306 monotherapy: HMPL-306 PO at 250 mg QD (C1) + 150 mg QD (starting from C2), 28 days as a cycle.
Salvage Chemotherapy RegimenDRUGPatients in this regimen will receive treatment with one of the following regimens, and the regimen will be selected by the investigator based on the patient's condition: * EA±Mitox regimen: etoposide injection 100 mg/m2, cytarabine injection 100-150 mg/m2, mitoxantrone injection 8 mg/m2 QD IV for 5 consecutive days (Days 1-5). * FLAG ± Ida regimen: G-CSF injection 300 mcg/m2 QD SC for 5 consecutive days (Days 1-5); fludarabine injection 30 mg/m2 QD IV for 5 consecutive days (Days 2-6); cytarabine injection 1000-2000 mg/m2 QD IV for 5 consecutive days (Days 2-6); idarubicin injection 10 mg/m2 QD IV for 3 consecutive days (Days 2-4). * LoDAC: -Cytarabine Injection 20 mg every 12 hours, subcutaneous or IV for 10 consecutive days (Days 1-10). * Azacitidine: Azacitidine Injection 75 mg/m2, QD, subcutaneous or IV for 7 consecutive days (Days 1-7).
HMPL-306DRUGIDH small molecule inhibitor
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Eligibility Criteria

Age Range18 Years to N/A
SexALL

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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Frequently asked questions about HMPL-306

What is HMPL-306?

HMPL-306 is an investigational small molecule developed by HUTCHMED (China) Limited for cancers that carry mutations in the IDH1 and/or IDH2 genes. It is being studied in acute myeloid leukemia and in gliomas harboring IDH1 and/or IDH2 mutations. It is a Phase 3-stage asset and has not been approved for any indication.

What is HMPL-306 used for in acute myeloid leukemia?

HMPL-306 is being evaluated for the treatment of acute myeloid leukemia in patients whose disease carries IDH1 or IDH2 mutations. This is a biomarker-selected population, meaning treatment is directed at tumors with these specific mutations. The program is currently in Phase 3 clinical development and is not approved for use.

What does HMPL-306 target?

HMPL-306 targets the IDH1 and IDH2 enzymes, which are mutated in certain cancers including acute myeloid leukemia and gliomas. By acting on both IDH1 and IDH2, the small molecule is designed to address tumors driven by mutations in either of these two enzymes.

Who makes HMPL-306?

HMPL-306 is developed by HUTCHMED (China) Limited, which trades under the ticker HCM. HUTCHMED is the sponsor of the clinical program evaluating the drug in IDH1 and/or IDH2-mutated acute myeloid leukemia and gliomas.

What phase is HMPL-306 in?

HMPL-306 is in Phase 3 clinical development. The Phase 3 study is evaluating the drug in patients with IDH1 or IDH2-mutated acute myeloid leukemia, and a separate Phase 1 study is evaluating it in gliomas with IDH1 and/or IDH2 mutations. HMPL-306 is investigational and has not been approved.

What clinical trials is HMPL-306 in?

HMPL-306 is being studied in two recruiting trials. NCT06387069 is a Phase 3 study of HMPL-306 in patients with IDH1 or IDH2-mutated acute myeloid leukemia, with planned enrollment of 316 patients. NCT07025018 is a Phase 1 study in gliomas harboring IDH1 and/or IDH2 mutations, with planned enrollment of 52 patients in China.

Is HMPL-306 the same as HMPL-306 Regimen?

Yes. HMPL-306 Regimen is another name used for HMPL-306, the investigational small molecule developed by HUTCHMED (China) Limited. Both names refer to the same IDH1 and IDH2-targeted agent being studied in acute myeloid leukemia and IDH-mutant gliomas.