To conduct medical research, a well-defined research goal is required first. Further, the design of the study is developed, the sponsor of the study is selected, the scope and timing of the study is determined, the research organizations are determined, and a sample of study participants is made. You can read more about medical research here https://crlabcro.com/provedenie-klinicheskih-issledovanij
Dear Denis! The list of necessary conditions, documents and rules for conducting clinical and laboratory scientific research is set out in the Guidelines for conducting clinical trials (2008). You can also familiarize yourself with the rules of evidence-based medicine in the article "Systems for assessing the reliability of scientific evidence and the persuasiveness of recommendations: comparative characteristics and prospects for unification." First of all, the source of funding is determined, the study design is appropriate for a specific type of medical research and the purpose, the group of researchers, equipment and data processing method is determined, an appropriate sample of sick and healthy volunteers is selected (provided that clinical trials have been successfully completed on laboratory animals), etc. .д.