Journal
LEUKEMIA & LYMPHOMA
Volume 64, Issue 2, Pages 273-282Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10428194.2022.2136947
Keywords
Acute myeloid leukemia; phase III randomized clinical trials; outcomes; endpoints
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This study systematically evaluated the primary and secondary endpoints used in acute myeloid leukemia (AML) phase III randomized controlled trials (RCTs) over the past 15 years. The results showed that overall survival (OS), progression-free survival (PFS), event-free survival (EFS), and complete remission (CR) were the most common primary endpoints, while OS, PFS, CR, safety, and EFS were commonly reported secondary endpoints. Furthermore, there was an increasing trend in the use of clinically meaningful and objective endpoint of OS over the last 15 years.
We systematically evaluated the primary and secondary endpoints used in acute myeloid leukemia (AML) phase III randomized controlled trials (RCTs). We included 238 phase III AML RCTs in the past 15 years that reported 279 primary endpoints and 657 secondary endpoints. Overall survival (OS), progression-free survival (PFS), event-free survival (EFS), and complete remission (CR) were primary endpoints in 120 (43%), 34 (12%), 30 (11%), and 41 (15%) studies, respectively. OS (12.5%), PFS (13.2%), CR (14%), safety (11%), and EFS (9%) were commonly reported secondary endpoints. Among primary endpoints, a higher use of OS (OR 2.03, 95%CI 1.10-3.75, p = 0.023) and lower use of PFS (OR 0.25, 95%CI 0.12-0.52, p < 0.001) was observed from 2014 to 2021 compared to 2006-2013; CR was frequently used in relapsed/refractory compared to frontline RCTs (OR 2.20, 95%CI 1.11-4.38, p = 0.025); EFS was frequently used in frontline compared to relapsed/refractory AML RCTs (OR 10.11, 95%CI 1.34-76.34, p = 0.025). A higher trend in the use of clinically meaningful and objective endpoint of OS over the last 15 years.
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