Cancer
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The late effects of treatment for acute lymphoblastic leukemia (ALL) include disordered body composition, especially obesity. Less attention has been focused on the loss of skeletal muscle mass (SMM) and the combined morbidity of sarcopenic obesity. ⋯ Sarcopenic obesity is prevalent in long-term survivors of ALL, and this places them in double jeopardy from excess body fat and inadequate SMM (eg, a combination of metabolic and frailty syndromes). It is associated with an adverse impact on overall HRQL. Cancer 2018;124:1225-31. © 2017 American Cancer Society.
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Overall survival (OS) is a critical endpoint in adjuvant trials but requires long durations to events and significant patient resources. In the current study, the authors assessed whether disease-free survival (DFS) can be an early clinical surrogate for OS in the adjuvant setting for localized renal cell carcinoma (RCC). ⋯ Across RCTs of adjuvant systemic therapy for localized RCC, there was no strong correlation noted between 5-year DFS and 5-year OS rates or between treatment effects on these endpoints. These results highlight the need to identify alternative and more rapid clinical or biologic endpoints to hasten drug development and improve clinical outcomes. Cancer 2018;124:925-33. © 2017 American Cancer Society.