This document provides an overview of clinical trials, including definitions, types of research, ethics considerations, trial design, and data management and analysis. It defines clinical trials as research studies that prospectively assign participants to interventions to evaluate health outcomes. Key points include that clinical trials have various phases and are regulated by organizations like the WHO, NIH, and IRB to ensure ethics standards around informed consent and protecting vulnerable groups. Randomization and control groups are discussed as important design aspects, as is the role of sponsors. Data collection, grading scales, statistical analysis, and presenting results are covered as important parts of the research process.