See Also: Phases of clinical trials(health)
Clinical Trials(medicine)
Clinical trials(health)
controlled clinical trials(medicine)
Coding in clinical trials(health)
clinical trials, phase IV(medicine)
clinical trials, phase III(medicine)
clinical trials, phase II(medicine)
clinical trials, phase I(medicine)
clinical research trials(medicine)

Phases of clinical trials (health)


Clinical trials are generally categorised into four (sometimes five) phases. An investigational medicine or product may be evaluated in two or more phases simultaneously in different trials, and some trials may overlap two different phases.