November 2018 ABC’S (Application of Basic Concepts) in Dermatology Research

An introduction to observational studies

Mara Padilla Evangelista-Huber MD, DPDS

A clinical trial is a planned experiment designed to evaluate the benefits of a treatment for a specific medical condition. A welldesigned clinical trial is the most rigorous research design for evaluating treatments. However, there several situations where it is neither possible nor ethical to conduct a clinical trial.