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Intervention

Financial Intervention: Formulary

Definition

Medications added to or removed from reimbursable available products.

Effectiveness

Two key reviews (Arnold, Davey) were identified. Findings from one review (Davey) found changes to drug formularies to be effective for improving appropriate care behaviours only as there was insufficient evidence to make conclusions regarding prescribing behaviours. One review (Arnold) had an insufficient number of studies to draw any conclusions about the effectiveness of this intervention.

Summary of Overall Findings from Reviews

2 reviews that evaluated the effectiveness of formulary interventions were identified. Of these, 1/1 high quality/key reviews with a sufficient number of studies to draw conclusions found this intervention to be generally effective.

Summary of Findings Related to Prescribing

No high quality or key reviews with a sufficient number of studies to draw conclusions about prescribing outcomes were identified.

Reviews listed as "Summary Pending" will be analyzed, summarized and reported at a later date.

The findings will then be incorporated in the overall evidence summaries of the interventions they address.

Reviews Addressing This Intervention Quality Assessment Tool:
AMSTAR Score (of 11 points)
Arnold SR, Straus SE. Interventions to improve antibiotic prescribing practices in ambulatory care. Cochrane Database of Systematic Reviews 2005 4:CD003539. 7 (Medium)
Davey P, Brown E, Fenelon L, Finch R, Gould I, Hartman G, Holmes A, Ramsay C, Taylor E, Wilcox M, Wiffen P. Interventions to improve antibiotic prescribing practices for hospital inpatients. Cochrane Database of Systematic Reviews 2005 4:CD003543. 7 (Medium)
Cohen J, Millier A, Karray S, Toumi M. Assessing the economic impact of Rx-to-OTC switches: systematic review and guidelines for future development. Journal of Medical Economics 2013 16 (6):835-844. Summary Pending