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A Data Integration Workflow to Identify Drug Combinations Targeting Synthetic Lethal Interactions

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Published on: May 27, 2021

Management of drug-interaction alerts in community pharmacies.

J Indermitte¹, M Beutler, R Bruppacher

¹Department of Pharmaceutical Sciences, Institute of Clinical Pharmacy, University of Basel, Basel, Switzerland.

Journal of Clinical Pharmacy and Therapeutics

|March 27, 2007

Summary

Community pharmacy drug-interaction alert systems often lead to overrides, especially for less severe interactions. Pharmacists may adjust settings to flag only high-severity alerts, but severe interactions are generally managed effectively.

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Area of Science:

Pharmacology
Health Informatics
Community Pharmacy Practice

Background:

Drug-interaction alert systems are crucial in community pharmacies for identifying potential drug-drug interactions.
Overriding alerts due to excessive notifications is a common issue influenced by software default settings.

Purpose of the Study:

To investigate how community pharmacies in Switzerland handle drug-interaction alerts.
To understand the factors influencing the override of these alerts by pharmacists.

Main Methods:

Data collection involved 15 pharmacy students across 15 Swiss community pharmacies.
Assessed medication histories and drug-interaction alerts for 600 patients with multiple prescriptions.
Conducted interviews with pharmacists regarding their management of drug-interaction alerts.

Main Results:

Alert system severity settings varied, impacting alert frequency.
A significant proportion of alerts (71.9%) were overridden by default settings or pharmacists.
Pharmacists intervened in 63.2% of closely examined relevant alerts, with high severity and first-time alerts being key determinants.

Conclusions:

Pharmacists frequently override alerts for minor/moderate severity interactions or adjust systems to prioritize high-severity ones.
There is a need for more sophisticated alert systems with better sensitivity and specificity.
Current systems largely succeed in ensuring severe drug interactions are not missed.