Majority of healthcare professionals are struggling with conducting and writing a protocol for a research study. Thus, the purpose of this article is to summarize significant steps and necessary guidelines for producing a standard research protocol, roles and responsibilities of various team members involved in the study, and conduction of actual clinical trial including its initiation, phases (I-III), termination or post-marketing surveillance phase. It is important to note that the quality of a clinical trial largely depends on the protocol to achieve success in the research study.

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