Postmarketing studies (phase IV)

InfoLex closely cooperates with leading research centers, has wide practical experience which allows providing qualitative services for performance of all CS stages on favorable terms.

phase IV is necessary for:

• improvement of product dosage schemes;
• investigation of interaction with other drug products;
• comparative analysis with other standard products;
• administration of the product in other age groups or in patients of other categories;
• effects of late effects of the product on survival (decrease or increase of mortality level);
• the results of long-term administration in patients of different groups;
• for subjective evaluation of risks associated with the drug product administration;
• creation of pharmacovigilance system for timely determination of unfavorable adverse reactions for more precise phase IV clinical studies.