Clinical Trial

Tiny Nair

Abstract


Clinical Trials can be either observational (we observe) or assign an intervention. In the ‘observational’ trials there are several types like cohort study, case controlled study, or cross sectional study. Interventional trials allocate an intervention (usually a new drug) to one arm while the other arm acts as placebo for comparison of outcome. Randomized controlled trials(RCT) are example of this type of trials

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