Background Within the EU-funded project PRIMA-eDS (P olypharmacy in chronic diseases:
R eduction of I nappropriate M edication and A dverse drug events in older populations by e
lectronic D ecision S upport) an electronic decision support tool (the “PRIMA-eDS-tool”) was
developed for general practitioners (GPs) to reduce inappropriate medication in their older
polypharmacy patients. After entering patient data relevant to prescribing in an electronic
case report form the physician received a comprehensive medication review (CMR) on …

Objective We sought to investigate the experiences of general practitioners (GPs) with an
electronic decision support tool to reduce inappropriate polypharmacy in older patients (the
PRIMA-eDS [Polypharmacy in chronic diseases: Reduction of Inappropriate Medication and
Adverse drug events in older populations by electronic Decision Support] tool) in a
multinational sample of GPs and to quantify the findings from a prior qualitative study on the
PRIMA-eDS-tool. Materials and Methods Alongside the cluster randomized controlled …