Tip - What is a clinical trial and how does a trial work?

Published 9 years ago | Submitted by Michael 2445

Carefully conducted clinical trials are performed in human volunteers to provide answers to important questions. Every new treatment is usually tested in three phases of clinical trials before regulatory agencies consider it safe and effective.

For further reading: http://www.roche.com/research_and_development/who_we_are_how_we_work/clinical_trials/what_is_a_clinical_trial.htm

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Posted: 9 years ago

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