Clinical Trial is one of the final stages of a long and careful research process. The process often begins in a laboratory, where scientists first develop and test new ideas. It research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. It involve healthy subjects with no pre-existing medical conditions. Clinical Trial conducted to collect data regarding the safety and efficacy of new drug and device development. It recruit study subjects to sign a document representing their “informed consent”.