what are prospective randomised controlled trial
Randomized controlled trial: (RCT) A study in which people are allocated at random (by chance alone) to receive one of several clinical interventions. One of these interventions is the standard of comparison or control.The control may be a standard practice, a placebo (sugar pill), or no intervention at all.Someone who takes part in a randomized controlled trial (RCT) is called a participant or subject.RCTs seek to measure and compare the outcomes after the participants receive the interventions. Because the outcomes are measured, RCTs are quantitative studies.he control may be a standard practice, a placebo (sugar pill), or no intervention at all. Someone who takes part in a randomized controlled trial (RCT) is called a participant or subject. RCTs seek to measure and compare the outcomes after the participants receive the interventions.