Effective deprescribing strategies for reducing potentially inappropriate medications and improving economic outcomes in community-based settings: a systematic review and meta-analysis.

TL;DR

A systematic review and meta-analysis of 27 studies found that deprescribing interventions (guided efforts to reduce unnecessary medications) significantly reduced potentially inappropriate medications in older adults and people taking multiple drugs, with consistent evidence of healthcare cost savings .

What the Study Found

Deprescribing, the clinical process of systematically reducing or stopping medications that may no longer provide benefit, has emerged as an important strategy in healthcare. This systematic review represents the first broad examination of deprescribing effectiveness across community-based settings without limiting the analysis to specific drug classes or patient populations.

The researchers identified 27 eligible studies and performed a meta-analysis on nine of them. The results were statistically significant: deprescribing interventions reduced prescribing-related medication use with an effect size of -0.3234. This means that across the included studies, patients who received deprescribing interventions experienced measurable reductions in their use of potentially inappropriate medications (PIMs). The descriptive findings from the remaining studies further supported this pattern, consistently showing that deprescribing reduced unnecessary or questionable medications without compromising patient safety in the community settings studied.

The economic analysis was particularly striking. Eight studies that assessed healthcare costs found that deprescribing interventions led to cost savings across different healthcare systems. This aligns with the clinical rationale for deprescribing: unnecessary medications drive healthcare expenditures while potentially exposing patients to adverse effects with minimal therapeutic benefit. The consistency of cost-reduction findings across multiple studies suggests this is not a narrow phenomenon but reflects a broader economic reality of medication overuse in community populations.

The review noted that deprescribing was most relevant for older adults and patients with polypharmacy (concurrent use of many medications). Both populations face heightened risks from drug interactions and adverse effects, making medication reduction a legitimate clinical goal rather than a cost-cutting measure alone.

What This Means for You

This research provides evidence-based support for a conversation many people should have with their healthcare providers: do all of my current medications still serve a purpose?

If you are taking multiple medications, particularly if you are older or if your condition has changed since you started them, deprescribing should be on your radar. The research suggests this is not about abruptly stopping drugs but rather a guided process that can reduce harm and cost simultaneously. Importantly, the studies reviewed were conducted in community settings, meaning the findings are more applicable to typical outpatient care than to complex hospital environments.

The economic savings identified in this analysis may translate to direct benefits for you: lower medication costs and fewer pharmacy visits. Beyond economics, reducing unnecessary medications often means fewer side effects, simpler daily routines, and reduced drug-drug interactions.

However, the authors acknowledge that long-term safety outcomes and the scalability of deprescribing across diverse healthcare systems remain understudied. This is not a reason to dismiss the findings but rather a call for nuance: deprescribing should happen under clinical guidance, not as a DIY project.

Study Details

Sources

Kamstra, T.I., et al. (2025). Effective deprescribing strategies for reducing potentially inappropriate medications and improving economic outcomes in community-based settings: a systematic review and meta-analysis. BMC Health Services Research. PubMed: 42251391