Objective. The Austrian Azacitidine Registry is a multi-center database (ClinicalTrials.gov: NCT01595295). The nature and intent of the registry was to gain a comprehensive view of the use, safety and efficacy of the drug in a broad range of AML-patients treated in real-life scenarios. Patients and methods. The sole inclusion criteria were the diagnosis of WHO-AML and treatment with at least one dose of azacitidine. No formal exclusion criteria existed. A total of 155 AML-patients who were mostly unfit/ineligible for intensive chemotherapy, or had progressed despite conventional treatment, were included. True ITT-analyses and exploratory analyses regarding the potential prognostic value of baseline-variables/performance-/comorbidity-/risk-scores on overall survival (OS), were performed. Results: In this cohort of 155 pretreated (60%), and/or comorbid (87%), elderly (45% ≥75 years) AML-patients, azacitidine was well tolerated and efficacious, with an overall response rate (CR, mCR, PR, HI) of 45% in the total cohort (ITT) and 65% in patients evaluable according to IWG-criteria, respectively. Pre-treatment with conventional chemotherapy (P =.113), age ≤/>80 years (P =.853), number of comorbidities (P =.476), and bone marrow (BM) blast count (P =.663) did not influence OS. In multivariate analysis hematologic improvement alone (without the requirement of concomitant bone marrow blast reduction), although currently not regarded as a standard form of response assessment in AML, was sufficient to confer OS benefit (18.9 vs. 6.0 months; P =.0015). Further deepening of response after first response was associated with improved OS (24.7 vs. 13.7 months; P 80 years, number of comorbidities and/or BM-blasts >30% did not adversely impact OS. © 2013 Pleyer et al.; licensee BioMed Central Ltd.
CITATION STYLE
Pleyer, L., Stauder, R., Burgstaller, S., Schreder, M., Tinchon, C., Pfeilstocker, M., … Greil, R. (2013). Azacitidine in patients with WHO-defined AML - Results of 155 patients from the Austrian Azacitidine Registry of the AGMT-Study Group. Journal of Hematology and Oncology, 6(1). https://doi.org/10.1186/1756-8722-6-32
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