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Published on: August 1, 2019
A cluster randomized trial evaluating electronic prescribing in an ambulatory care setting
Merrick F Zwarenstein1, Katie N Dainty, Sherman Quan
1Institute For Clinical Evaluative Sciences and The Clinical Epidemiology Unit, Center For Health Services Sciences, Sunnybrook Hospital, Ontario, Canada. merrick.zwarenstein@ices.on.ca
This pragmatic trial evaluated electronic prescribing to reduce medication errors. The study used a cluster randomized design in outpatient clinics, aiming to improve prescription safety and reduce adverse drug events.
Area of Science:
- Health Informatics
- Clinical Pharmacy
- Patient Safety
Background:
- Medication errors and adverse drug events pose significant risks and costs to healthcare systems.
- Errors frequently occur during prescription ordering and administration stages.
- This study addresses limitations of traditional designs for evaluating interventions.
Purpose of the Study:
- To describe the protocol for a pragmatic trial of electronic prescribing.
- To evaluate the effectiveness of electronic prescribing in reducing prescription errors.
- To overcome limitations of traditional study designs in evaluating interventions.
Main Methods:
- A 65-week, cluster randomized, parallel trial conducted in ambulatory outpatient clinics.
- Utilized Canadian electronic prescribing software with point-of-care decision support via handheld computers (PDAs).
- Randomization by 'week' (system 'on' or 'off'); analysis by prescription, adjusting for clustering.
Main Results:
- N/A - Protocol description, results not yet available.
Conclusions:
- The paper outlines a pragmatic cluster randomized trial protocol for point-of-care electronic prescribing.
- The design specifically addresses and aims to overcome limitations of traditional research methodologies.
- This trial is registered with clinicaltrials.gov (ID: NCT00252395).
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