Overview
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.
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.
Eligibility
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