Phase IV studies

A phase IV study is a post-marketing study involving approved indications for use.

This type of study is conducted to:

1. Improving drug dosing regimens;
2. Obtaining information about drug interactions with food or other medications;
3. Comparative analysis with other standard therapy regimens;
4. Study of drug use in certain age groups or patients in special groups;
5. Impact of long-term effects of the drug on survival (decreased or increased mortality rates), etc.