different names of participants in phase i clinical trials

Background: clinical trials contribute to the generation of new knowledge and can lead to the discovery of novel treatments. by introducing more effective therapies, they can improve patients' quality of life and reduce the complications of diseases. for searching scientific resources in this context, one should focus on appropriate keywords, identify synonyms, related phrases, and academic terms in this field to expand the scope of the search. the first phase of clinical trials is the initial step in evaluating an investigational drug product in humans.conclusion: in this review, given the importance of phase i clinical trials, we first address the different and common names of phase i clinical trials and then provide examples of synonyms for study participants. it is hoped that researchers can, by identifying synonyms and related academic phrases, more quickly and accurately find relevant scientific resources and produce more precise and clear scientific writing.