Annals of Clinical Epidemiology
Online ISSN : 2434-4338
Community pharmacist-led educational intervention to recommend ophthalmology visits for patients with diabetes: a cluster randomized controlled trial
Ai OgawaShinji OkabayashiTatsuhiko SuzukiHiroshi SudoYosuke Yamamoto
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JOURNAL OPEN ACCESS Advance online publication

Article ID: 26005

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Abstract

Background: It remains unclear whether pharmacist-led educational programs in community pharmacies could increase appropriate ophthalmic visits for patients with diabetes. We assessed efficacy of pharmacist-led education on ophthalmology visits for diabetes.

Methods: We conducted a cluster randomized controlled trial at 32 community pharmacies in Japan, targeting individuals with diabetes with no ophthalmic visits over a year. Pharmacists in the intervention group received online training on diabetic retinopathy and educated patients, while the control group received a pamphlet. The primary outcome was ophthalmic visits during the follow-up period. Generalized estimating equations were performed with two adjusted models: age and sex (model 1), and additionally diabetic retinopathy factors (model 2). Key secondary outcomes were changes in behavior for ophthalmic visits and glycated hemoglobin (HbA1c) levels.

Results: Overall, 268 patients were included (133 intervention and 135 control). Participants' mean age was 60.1 years, and HbA1c level was 7.5%. Ophthalmic visits occurred in 18.8% (25/133) of the intervention and 20.7% (28/135) of the control group, yielding no significant difference (model 1, risk difference [RD] -0.03 [-0.14 to 0.08], risk ratio [RR] 0.88 (0.54 to 1.45); model 2, RD -0.07 [-0.21 to 0.08], RR 0.73 [0.41 to 1.30]). There was no significant difference between the two groups in the mean changes from baseline to 6 months in behavior for ophthalmic visits (0.07 [-0.23 to 0.37]) and HbA1c levels (-0.28 [-0.76 to 0.20]).

Conclusions: Pharmacist-led education on diabetic retinopathy did not increase ophthalmology visits or improve diabetes-related outcomes. Effective strategies to encourage ophthalmology visits are required.

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© 2025 Society for Clinical Epidemiology

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