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Clinical Trial Summary

Determine the maximum tolerated dose (MTD) and toxicity profile of the combination of cyclophosphamide and ATO (Arsenic Trioxide) in subjects with relapsed refractory AML. Determine the efficacy of ATO and cyclophosphamide in this population, as defined by response rate, response duration, event-free survival (EFS) and overall survival (OS). Determine the number of transplant-eligible subjects who are successfully bridged to stem cell transplantation or donor lymphocyte infusion.


Clinical Trial Description

This is an open label phase 1 study of fixed dose ATO (Arsenic Trioxide) and escalating doses of cyclophosphamide using a standard 3+3 dose escalation design. All subjects will be treated with sequential cycles of 3 days of ATO at 0.15 mg/kg/d IV followed by Cyclophosphamide as a single IV dose on day 4 along with mesna at a dose equal to the cyclophosphamide (for doses ≥1000 mg/m2) and hydration for a maximum of 6 cycles. ATO and Cyclophosphamide will be repeated every 28-42 days. Treatment will be given inpatient for the first cycle, with the option of outpatient treatment for subsequent cycles. Subjects may remain on study in the absence of disease progression or unacceptable toxicity for a maximum six cycles. Toxicity assessments will be performed continuously; DLT determination will be made based on adverse events (AEs) that occur during cycle 1 (day 1-28). An expansion cohort of ten subjects at the maximum tolerated dose will occur at the conclusion of dose escalation. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03318016
Study type Interventional
Source University of Colorado, Denver
Contact
Status Completed
Phase Phase 1
Start date December 15, 2017
Completion date January 20, 2021

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