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HEC73543 Versus Salvage Chemotherapy in R/R FLT3-ITD AML

HEC73543 Versus Salvage Chemotherapy in Relapsed or Refractory FLT3-ITD Acute Myeloid Leukemia: a Multicenter, Open-label, Randomized Phase 3 Trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05586074
Enrollment
324
Registered
2022-10-19
Start date
2023-03-03
Completion date
2028-05-30
Last updated
2026-04-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Leukemia, Acute Myeloid (AML)

Brief summary

A randomized,multicenter, open-label Phase III, clinical study is conducted to evaluate the clinical benefit Clifutinib in Chinese patients with relapsed/ refractory (R/R) FLT3-mutated AML as shown with overall survival compared to salvage chemotherapy, and also to investigate the efficacy of Clifutinib as assessed by CR/CRh rate in these subjects.

Detailed description

Subjects who are at least 18 years and above at the time of signing informed consent may participate in this study. Subjects will be randomized in a 2:1 ratio to receive Clifutinib or salvage chemotherapy. Subjects will enter the screening period up to 28 days prior to the start of treatment. Prior to randomization, a salvage chemotherapy regimen will be pre-selected for each subjects; options will include low-dose cytarabine (LoDAC), azacitidine, decitabine, Ara-C±IDA or FLAG±IDA. The randomization will be stratified by response to first-line therapy and pre-selected salvage chemotherapy. Participants will be administered treatment over continuous 28-day cycles. After treatment discontinuation, participants will have a end-of-treatment visit within 7 days after treatment discontinuation, followed by a 30-day follow-up for safety. After that, long term follow-up will be done every 90 days.

Interventions

tablet, oral

DRUGLoDAC

subcutaneous (SC) or intravenous (IV) injection

DRUGAzacitidine

SC or IV

DRUGDecitabine

IV

DRUGAra-C±IDA

SC and IV

DRUGFLAG-IDA

SC and IV

Sponsors

Sunshine Lake Pharma Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Subject is ≥ 18 years of age at the time of obtaining informed consent. * Subject has a diagnosis of primary acute myeloid leukemia (AML) or AML secondary to myelodysplastic syndrome (MDS) according to WHO classification; * Subject is refractory to or relapsed after first-line AML therapy (with or without hematopoietic stem cell transplant ) * Subject is positive for FLT3 mutation in bone marrow or whole blood as determined by the central lab * Subject has an Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 * Subject is eligible for pre-selected salvage chemotherapy at the investigator's discretion

Exclusion criteria

* Subject has received prior treatment with other FLT3 inhibitors * Subject has AML that has relapsed after or is refractory to more than 1 line of therapy * Subject has an active uncontrolled infection * Subject is known to have human immunodeficiency virus infection * Subject has any condition which, in the investigator's opinion, makes the subject unsuitable for study participation

Design outcomes

Primary

MeasureTime frameDescription
OSFrom the date of randomization until the date of death from any cause, assessed up to 5 yearsOverall survival was defined as the time from the date of randomization until the date of death from any cause
CR/CRh rateFrom randomization until the data cut-off date of April 2025, all subjects included in the primary analysis of CR/CRh rate were followed up at least 4 monthsThe CR/CRh rate was defined as the number of subjects who achieved either CR or CRh at any of the postbaseline visits divided by the number of subjects in the analysis population

Secondary

MeasureTime frameDescription
EFSFrom randomization until the data cut-off date of June 2026, median time of follow-up for OS was 15 monthsEFS was defined as the time from the date of randomization until the date of documented relapse, treatment failure, new anti-leukemia therapy or death from any cause
CR rateFrom randomization until the data cut-off date of June 2026, all subjects included in the analysis of CR rate were followed up at least 4 monthsThe CR rate was defined as the number of subjects who achieved the best response of CR divided by the number of subjects in the analysis population
CRc RateFrom randomization until the data cut-off date of June 2026, all subjects included in the analysis of CRc rate were followed up at least 4 monthsCRc rate was defined as the number of subjects who achieved the best response of CRc (CR, CRh or CRi divided by the number of subjects in the analysis population
Adverse EventsFrom ICF signature date up to 30 days after the last dose of study drug, median treatment duration for Clifutinib was 140 days versus salvage chemotherapy 140 daysNumber of Participants With Adverse Events

Countries

China

Contacts

CONTACTYingzhi Jiang, MSc
jiangyingzhi@hec.cn86 13692244182
PRINCIPAL_INVESTIGATORJie Jin, MD, PhD

First Affiliated Hospital of Zhejiang University

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 29, 2026