Clinical trials are essential scientific studies designed to evaluate the safety, efficacy, and potential side effects of new medical treatments, interventions, or drugs before they are approved for widespread use. These trials involve rigorous testing on human volunteers who participate voluntarily, following strict protocols and guidelines set by regulatory authorities. Divided into phases, clinical trials progressively assess the treatment's effectiveness, safety profile, and optimal dosage levels. Researchers meticulously collect and analyse data to draw conclusions about the treatment's performance and potential benefits to patients. Successful clinical trials not only validate new therapies but also contribute to medical breakthroughs and advancements in healthcare. They play a critical role in enhancing medical understanding and improving therapies, ultimately benefiting individuals and communities worldwide by ensuring that only safe and effective treatments reach patients.