Clinical trials

By | December 28, 2013

Clinical trials are conducted in a series of phases.

Phases

Phase 1

The drug is tested with a small group of people and evaluated for appropriate dosage and potential side effects. Normally, this is a group of healthy individuals, not individuals affected by the disease or condition.

Phase 2

The drug is given to a larger group of people to further test its efficacy.

Phase 3

The drug is given to an even larger group and is compared with other commonly used treatments. More details regarding the safety and proper use of the drug is collected.

Phase 4

Specific information about drug use is gathered, including longitudinal side effects and specific outcomes in subpopulations.

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