Post marketing surveillance. Traps for the unwary

Area of Science:

• Pharmacovigilance
• General Practice Research

Background:

• Increasing demand for general practitioner (GP) involvement in post-marketing surveillance (PMS).
• Variability in the quality and utility of PMS studies.
• Need for GPs to discern valuable research opportunities.

Purpose of the Study:

• To equip general practitioners with criteria to evaluate the potential value of post-marketing surveillance studies.
• To identify key factors differentiating beneficial from non-beneficial studies.

Main Methods:

• Literature review on pharmacovigilance methodologies.
• Analysis of case studies in general practice-based drug surveillance.
• Development of a checklist for study appraisal.

Main Results:

• Identified critical factors include study design, data collection methods, and relevance to clinical practice.
• Established clear indicators of potential bias and methodological flaws.
• Highlighted the importance of clear objectives and feasible protocols.

Conclusions:

• General practitioners must critically assess PMS studies before participation.
• Awareness of specific quality indicators can optimize the value derived from GP involvement in drug safety research.
• Informed participation enhances the contribution of primary care to post-marketing drug surveillance.