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Background <p>Global aging makes polypharmacy in older adults a critical concern. Pharmacist-led deprescribing shows promise, but lacks routine implementation. Japan introduced “the Medication Adjustment Support Fee (the Adjustment Fee)” in 2018 for deprescribing medications in patients with polypharmacy based on pharmacists’ recommendations.</p> Objective <p>We aimed to investigate: (1) medication distribution among older patients; (2) medications most frequently deprescribed based on pharmacists’ recommendations; and (3) factors associated with successful deprescribing.</p> Methods <p>This retrospective study analysed patients aged ≥ 65 years who had prescriptions dispensed for ≥ 60 days from 2069 community pharmacies (April 2020–September 2023). Eligibility for the adjustment fee required six or more oral medications for ≥ 4 weeks, with pharmacists receiving remuneration when two or more medications were deprescribed and sustained for ≥ 4 weeks. We examined: (1) medication distribution in older patients; (2) most frequently deprescribed medications based on pharmacists’ recommendations; and (3) factors associated with deprescribing using multi-level logistic regression.</p> Results <p>Amongst 1,458,323 older patients, 36.9% (537,884) met the eligibility criteria for the adjustment fee, but only 0.08% had medications deprescribed based on pharmacist recommendations. At the pharmacy level, 10% of pharmacies (213/2069) claimed the fee at least once. The most frequently deprescribed medications were rebamipide (0.05%), mecobalamin (0.06%) and magnesium oxide (0.02%). Older age, higher number of medications taken, presence of a family pharmacist, and longer evaluation periods were significantly associated with claiming for the adjustment fee (<i>p</i> &lt; 0.001 for all).</p> Conclusions <p>Pharmacist-led deprescribing is infrequently implemented. Future studies could investigate the potential of strengthened incentives, enhanced collaboration, and robust protocols to optimize medication management in older adults.</p>

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Pharmacist-Led Deprescribing Interventions for Older Adults with Polypharmacy: A Retrospective Cohort Study of Community Pharmacy Practice in Japan

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月4日

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  • Kenji Fujita,
  • Noriko Sato,
  • Ayumi Okizaki,
  • Ruri Endo,
  • Maho Taguchi,
  • Sarah N Hilmer,
  • Timothy F Chen,
  • Kazuki Kushida,
  • Tomoya Kudo

摘要

Background

Global aging makes polypharmacy in older adults a critical concern. Pharmacist-led deprescribing shows promise, but lacks routine implementation. Japan introduced “the Medication Adjustment Support Fee (the Adjustment Fee)” in 2018 for deprescribing medications in patients with polypharmacy based on pharmacists’ recommendations.

Objective

We aimed to investigate: (1) medication distribution among older patients; (2) medications most frequently deprescribed based on pharmacists’ recommendations; and (3) factors associated with successful deprescribing.

Methods

This retrospective study analysed patients aged ≥ 65 years who had prescriptions dispensed for ≥ 60 days from 2069 community pharmacies (April 2020–September 2023). Eligibility for the adjustment fee required six or more oral medications for ≥ 4 weeks, with pharmacists receiving remuneration when two or more medications were deprescribed and sustained for ≥ 4 weeks. We examined: (1) medication distribution in older patients; (2) most frequently deprescribed medications based on pharmacists’ recommendations; and (3) factors associated with deprescribing using multi-level logistic regression.

Results

Amongst 1,458,323 older patients, 36.9% (537,884) met the eligibility criteria for the adjustment fee, but only 0.08% had medications deprescribed based on pharmacist recommendations. At the pharmacy level, 10% of pharmacies (213/2069) claimed the fee at least once. The most frequently deprescribed medications were rebamipide (0.05%), mecobalamin (0.06%) and magnesium oxide (0.02%). Older age, higher number of medications taken, presence of a family pharmacist, and longer evaluation periods were significantly associated with claiming for the adjustment fee (p < 0.001 for all).

Conclusions

Pharmacist-led deprescribing is infrequently implemented. Future studies could investigate the potential of strengthened incentives, enhanced collaboration, and robust protocols to optimize medication management in older adults.