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Clinical Trial Summary

The objectives of this study are to determine the safety and tolerability of ASP2215 as well as the maximum tolerated dose (MTD) based on the onset of dose limiting toxicity (DLT) and/or determine the recommended dose (RD) of ASP2215 for the next phase in subjects with relapsed or treatment-refractory acute myeloid leukemia (AML).


Clinical Trial Description

This study will be conducted to determine the safety, tolerability, PK, PD, and efficacy of single and repeated oral dosing of ASP2215 once daily in patients with relapsed or refractory AML. After the determination of the MTD and/or RD, an expansion cohort might be set to further investigate the safety and efficacy of ASP2215.

This study will consist of a single-dose period (Cycle 0, 2 days) and a repeated-dose period (Cycle 1 and subsequent cycles, each cycle consisting of 28 days). The enrolled subjects will orally receive their assigned single dose in Cycle 0 (Day −2), followed by a 2-day observation period (dosing day inclusive). In Cycle 1 and subsequent cycles (one cycle is defined as 28 days), the subjects will receive oral ASP2215 once daily repeatedly until one of the discontinuation criteria is met. Another dosing regimen may be considered such as dosing twice daily based on the safety and PK data that will become available.

In this study, the Bayesian-Continual Reassessment Method (hereinafter, Bayesian-CRM) will be used as a reference for dose-escalation procedures, and based on the onset of DLTs, the RD level of the subsequent cohort will be set higher or lower. DLTs will be assessed during Cycle 0 and Cycle 1 (30 days).

ASP2215 may be escalated by one dose level if the subject meets the criteria at the end of each cycle after Cycle 1 and the investigator/sub-investigator judges escalation of ASP2215 is of clinical benefit. Dose reduction of ASP2215 will be considered if study drug-related toxicities are observed in a subject. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02181660
Study type Interventional
Source Astellas Pharma Inc
Contact
Status Completed
Phase Phase 1
Start date June 16, 2014
Completion date June 27, 2016

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