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Proposed guidance on cost-avoidance studies in pharmacy practice.

Asad E Patanwala1,2, Sujita W Narayan1, Curtis E Haas3

  • 1School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Australia.

American Journal of Health-System Pharmacy : AJHP : Official Journal of the American Society of Health-System Pharmacists
|May 19, 2021
PubMed
Summary
This summary is machine-generated.

This guide provides best practices for cost-avoidance studies on pharmacist interventions. Following this methodology improves the quality and validity of these important economic impact assessments.

Keywords:
costs and costs analysisdrug-related side effects and adverse reactionsmedication errorspatient safetypharmacists

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Area of Science:

  • Health Economics
  • Clinical Pharmacy
  • Pharmacoeconomics

Background:

  • Cost-avoidance studies are frequently used to assess the economic impact of clinical pharmacy services.
  • These studies differ from traditional pharmacoeconomic analyses by estimating savings based on a counterfactual scenario.

Purpose of the Study:

  • To provide guidance for conducting cost-avoidance studies related to clinical pharmacy practice.
  • To improve the quality and validity of cost-avoidance investigations.

Main Methods:

  • Define the counterfactual scenario: what would have happened without the pharmacist's intervention?
  • Carefully assess the probability and cost of non-action.
  • Perform sensitivity analyses due to inherent uncertainties in assumptions.
  • A step-by-step methodology and calculation formulas are provided.

Main Results:

  • Cost-avoidance studies provide pilot data for future clinical trials.
  • These studies are considered low-level evidence but are valuable for initial economic impact assessments.

Conclusions:

  • Cost-avoidance studies are a common first step in quantifying the economic value of clinical pharmacy.
  • Adhering to the provided guidance enhances the rigor and reliability of these studies.