Definition
Trial design randomizing participants to treatment arms; high-level clinical evidence.
受试者随机分配至不同治疗组的临床试验设计，证据等级较高。
Common collocations
Example from literature
This randomized controlled trial enrolled 500 patients with advanced NSCLC.
本随机对照试验纳入 500 例晚期 NSCLC 患者。