Phase IV
Phase IV
Phase IV (pronounced: /feɪz fɔːr/) is a term used in clinical trials to describe the stage of post-marketing surveillance. This phase involves the monitoring of pharmaceutical drugs or medical devices after they have been approved and are on the market.
Etymology
The term "Phase IV" is derived from the sequential numbering of the stages in clinical trials, with Phase IV being the final stage. The term is used in the context of pharmacology and drug development.
Related Terms
- Clinical trials: Research studies performed in people that are aimed at evaluating a medical, surgical, or behavioral intervention.
- Pharmacovigilance: The science and activities relating to the detection, assessment, understanding and prevention of adverse effects or any other drug-related problem.
- Post-marketing surveillance: The practice of monitoring the safety of a pharmaceutical drug or medical device after it has been released on the market.
- Drug development: The process of bringing a new pharmaceutical drug to the market once a lead compound has been identified through the process of drug discovery.
- Pharmacology: The branch of medicine that deals with the uses, effects, and modes of action of drugs.
External links
- Medical encyclopedia article on Phase IV
- Wikipedia's article - Phase IV
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