Clinical trials industry is constantly evolving, and also new clinical studies are being launched at an ever-growing pace. Clinical trial services have widely regarded as the principal method for obtaining a reliable evaluation of treatment effect on patients. Conducting clinical trials is a growing trend in the medical industry for testing the safety level and effectiveness of a newly developed medical device or drug. They provide the reliable basis for evaluating the efficacy and safety of new treatments in clinical trials industry. The historical perspective, present status, and future strategy for clinical trials provide a contextual framework.