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Parkinson's-adapted cognitive stimulation therapy: a pilot randomized controlled clinical trial
Iracema Leroi1, Sabina Vatter2, Lesley-Anne Carter3
1Greater Manchester Mental Health NHS Foundation Trust, Manchester, UK.
Therapeutic Advances in Neurological Disorders
|July 20, 2019
Summary
Home-based Cognitive Stimulation Therapy for Parkinson's Disease (CST-PD) showed no cognitive improvement but significantly enhanced care partner quality of life and reduced their burden and stress. Further research is warranted.
Area of Science:
- Neurology
- Gerontology
- Psychiatry
Background:
- Cognitive Stimulation Therapy (CST) is established for dementia but lacks evidence for Parkinson's disease with mild cognitive impairment (PD-MCI), Parkinson's disease dementia (PDD), or dementia with Lewy bodies (DLB).
- Home-based, individualized CST adaptations are needed for these specific neurodegenerative conditions.
Purpose of the Study:
- To explore the impact of a home-based, individualized CST program ('CST-PD') adapted for individuals with PD-MCI, PDD, or DLB and their care partners.
- To assess the effects of CST-PD on cognitive function, neuropsychiatric symptoms, care partner burden, stress, and relationship quality.
Main Methods:
- A single-blind, randomized controlled exploratory pilot trial involving 76 participant-dyads (patients and care partners).
- Participants were randomized to either CST-PD (delivered by a trained care partner) or treatment as usual (TAU).
- Outcomes measured at 12 weeks included cognition (ACE-III), neuropsychiatric symptoms, care partner burden and stress, and dyadic quality of life and relationship quality.
Main Results:
- The CST-PD group showed a non-statistically significant improvement in cognitive scores (ACE-III) compared to TAU.
- Neuropsychiatric symptoms significantly increased in the CST-PD group.
- Care partners in the CST-PD group reported significant improvements in quality of life, relationship satisfaction, and positive interactions, alongside significant reductions in burden and stress.
Conclusions:
- Care partner-delivered CST-PD may significantly benefit care partners by improving their quality of life and reducing burden and stress, which are crucial for supporting home-based care.
- While not demonstrating cognitive benefits in patients in this pilot study, the positive impact on care partners warrants further investigation.
- A large-scale randomized controlled trial is recommended to evaluate the clinical and cost-effectiveness of CST-PD.