Clinical trials, also known as clinical studies, are scientific studies of drugs, medical devices or other treatments in humans. These studies are most often conducted for the following reasons:
- To verify the safety and effectiveness of potential drugs, medical devices or other treatments,
- To compare trial-treatments against existing treatments,
- To determine better ways to use treatments to make them more effective, easier to use, or to decrease side effects,
- To determine how best to use a treatment in a specific population. For example, in children or in a particular ethnic group.
There are three main stages in clinical trials for drug development: Phases I, II and III. Phase I clinical trials are conducted with 50~200 healthy participants and involve incremental dose increases of investigational drug within a predefined dose range to evaluate tolerability and safety, monitor food and drug interaction, as well…
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