Describe briefly the four Phases of Clinical trials. 

Clinical trials are a critical component of the drug development process. They are designed to evaluate the safety, efficacy, and side effects of new drugs or medical interventions in human subjects. Clinical trials typically consist of four phases, each serving a specific purpose in the drug development process. Here is a brief description of each phase:

Phase 1: Phase 1 trials are the first stage of human testing and involve a small group of healthy volunteers or individuals with the targeted disease or __________ _________ ____ ____ ________ ________.
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