治ち験けんTop 25000MeaningsNoun1. clinical trialKanji used治rein in験verificationPitch accentちけんUsed in vocabulary治ち験けん薬やくinvestigational new drugNoun治ち験けん実じっ施し計けい画かく書しょtrial implementation protocolNoun治ち験けん者しゃclinical trial participant; clinical trial subjectNoun