U.S., Aug. 6 -- ClinicalTrials.gov registry received information related to the study (NCT07748429) titled 'Placebo Effect on Cycling Performance: Laboratory Crossover Study' on July 21.
Brief Summary: This study aims to determine the impact of the placebo (PLA) effect on physical and cognitive performance in a controlled laboratory setting. The study investigates how expectations and beliefs about substance intake (caffeine vs. placebo) interact with actual consumption to influence performance and physiological stress markers. Healthy adults (n = 80) will participate in four testing sessions using a randomized, double-blind, placebo-controlled crossover design. Physiological stress markers (cortisol and alpha-amylase), heart rate, and per...