Clinical Study Designs

Clinical study design is the formulation of trials and experiments, as well as observational studies in medical, clinical and other types of research involving human beings. Clinical trials are typically conducted in four phases, each phase is considered as separate trial and, after completion of a phase, investigators are required to submit their data for approval from the FDA before continuing to the next phase. Types of study designs are Meta-Analysis, Systematic Review, Randomized Controlled Trial, Cohort Study, Comparative Study, Case-control Study, Cross-sectional study, Case Reports and Series, Animal Research Studies, Test-tube Lab Research.