Prescription Event Monitoring (PEM) is essential because the safety database on newly licensed drugs is limited by both the number and characteristics of the patients involved (8). PEM enlarges the available safety database on newly marketed medicines. It also provides information on the ‘real-world’ use of these medicines: the data show the age, sex and geographical distribution that typifies the everyday clinical use of these drugs in general medical practice. Various organizations world over took responsibility of starting the Prescription Event Monitoring program in their countries, for example, it was undertaken by the NZ Intensive Medicines Monitoring Programme (IMMP) in 1977 for new Zealand, and by the Drug Safety Research Unit, UK in 1980.

Prescription Event Monitoring (PEM)

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