Clinical trials
Clinical Trials
Clinical trials (/ˈklɪnɪkəl ˈtraɪəlz/), from the Latin clinicus meaning "bedside" and trial meaning "a test of the performance, qualities, or suitability of someone or something", are research investigations in which people volunteer to test new treatments, interventions or tests as a means to prevent, detect, treat or manage various diseases or medical conditions. Some investigations look at how people respond to a new intervention* and what side effects might occur. This helps to determine if a new intervention works, if it is safe, and if it is better than the interventions that are already available.
Clinical trials might also compare existing interventions, test new ways to use or combine existing interventions or observe how people respond to other factors that might affect their health (such as dietary changes).
Types of Clinical Trials
There are several types of clinical trials, including Treatment Trials, Prevention Trials, Diagnostic Trials, and Screening Trials. Each of these trials has a different purpose and can help scientists answer different questions.
Phases of Clinical Trials
Clinical trials are conducted in a series of steps, called phases - Phase I Trials, Phase II Trials, Phase III Trials, and Phase IV Trials. Each phase has a different purpose and helps researchers answer different questions.
Importance of Clinical Trials
Clinical trials are a key research tool for advancing medical knowledge and patient care. They provide the basis for the development and marketing of new drugs, biological products, and medical devices. Sometimes, clinical trials can also lead to new ways of diagnosing, treating, and preventing diseases.
Risks and Benefits of Clinical Trials
Participation in clinical trials can have risks, as well as benefits. It's important for potential participants to understand and consider both before they decide to enroll in a trial.
See Also
References
External Links
External links
- Medical encyclopedia article on Clinical trials
- Wikipedia's article - Clinical trials
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