Dementia Clinical Trial
Official title:
Investigate the Efficacy and Effectiveness of Aromatherapy for the Management of Behavioral and Psychological Symptoms of Dementia
In recent decades, following an increased longevity in Hong Kong, there is a drastic increase
in the prevalence chronic conditions, including dementia. Behavioral and psychological
symptoms of dementia (BDSP) seem to be the main reasons of suffering for many older adults.
This condition does not only pose a burden to the whole family but also the healthcare
system.
While conventional treatment of BPSD using pharmacotherapy and non-pharmacological treatments
has been effective for managing symptoms, owing to the adverse side effects caused by
anti-psychotic drugs and the short effective period incurred by non-pharmacological
interventions, development of alternative and non-pharmacological approaches for the
management of behavioral disturbances and pain is of urgent need. Research has shown that
aromatherapy (both administered through inhalation and therapeutic massage) has been
effective in reducing behavioral disturbances of dementia patients. These findings support
the premise that aromatherapy and the investigators hope to provide further evidence to
support the use of aromatherapy as an evidence-based mainstream intervention for reducing
behavioral and psychological symptoms of dementia (BPSD).
Whilst there is sufficient evidence to support the effectiveness of aromatherapy, few studies
compared the effectiveness of the use of aromatherapy by inhalation and/or therapeutic
massage. The investigators aim to address the above research gaps on the clinical application
of aromatherapy on BPSD, with a focus on comparing the differential effectiveness between
administration by inhalation and administration by therapeutic massage. The proposed research
aims to (1) test the efficacy and effectiveness of aromatherapy on the symptom management of
BPSD in older adults; (2) compare the effects of aromatherapy-scent (i.e., inhalation) and
aromatherapy-touch (i.e., therapeutic massage) in older adults with BPSD. This study also
explores the benefits of aromatherapy on cognitive functioning, functional performance and
social engagement as secondary outcomes.
A randomized, controlled, and single blinded trial is proposed. 120 older adults with BPSD
will be randomly assigned to aroma inhalation (intervention), aroma-touch or wait-list
(control) treatments. The primary outcomes measured are a caregiver-rated inventory of
agitated behaviors and abnormalities of mood and psychotic phenomenal, cognitive functioning,
functional performance and social engagement (secondary outcome) will be assessed three time
points the study hypotheses are supported, the findings will provide empirical support for a
treatment option that could improve psychological well-being and also improve cognitive
functioning, functional performance, and social engagement of older adults.
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