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Randomized Controlled Trial
. 2022 Dec;47(12):2074-2082.
doi: 10.1111/jcpt.13752. Epub 2022 Aug 10.

Effects of caregiver counselling on medication persistence and adherence in patients with dementia at a pharmacist-managed clinic: A pilot study

Chu-Yun Huang  1   2 , Chaur-Jong Hu  3   4   5 , Li-Kai Huang  3   4   5 , Elizabeth H Chang  1   6   7
Affiliations
Randomized Controlled Trial

Effects of caregiver counselling on medication persistence and adherence in patients with dementia at a pharmacist-managed clinic: A pilot study

Chu-Yun Huang et al. J Clin Pharm Ther. 2022 Dec.

Abstract

What is known and objective: Low treatment persistence and adherence in patients with dementia results in a rapid loss of disease control. This pilot study evaluated the impact of pharmacist-provided caregiver counselling on treatment persistence, adherence, quality of life (QoL) in patients with dementia, as well as caregiver's knowledge of dementia, and caregiver burden.

Methods: This prospective, randomized controlled study was performed at a hospital-based pharmacist-managed clinic from December 2017 to December 2019. Patients with mild-to-moderate Alzheimer's disease (AD), initiating cholinesterase inhibitors within 3 months, and coming with their caregivers were included and randomized 1:1 to intervention or control group. The intervention group received pharmacist counselling and education sheets about AD, whereas the control group only received standard of care. Patients' treatment persistence and adherence were assessed at months 3, 6, 9, and 12; QoL, and caregiver burden were assessed at baseline and month 12. Caregiver's knowledge of dementia was assessed at baseline and 2 weeks after counselling in the intervention group. Nonparametric statistics and generalized estimating equation models were used for statistical analysis.

Results and discussion: A total of 40 patients and 40 caregivers were included, with 20 pairs for each group. One-year medication persistence (16/20 vs. 16/20) and adherence rates (87%-99%) were high in both groups without significant differences. Dementia knowledge scores improved significantly after counselling in the intervention group (77.5 vs. 95.8, p < 0.01). Although the change of caregiver burden was non-significant between groups, the score decreased in the intervention group (-0.89; p = 0.78) but increased in the control group (+6.01; p = 0.07).

What is new and conclusion: In this pilot study, pharmacist's counselling for patients with dementia and their caregivers is feasible and can enhance caregiver knowledge of dementia. Further study with larger scale is needed to confirm the impact on these outcomes.

Keywords: adherence; dementia; knowledge; persistence; pharmacist counselling.

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References

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