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Related Experiment Video

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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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Clinical Manifestations.

Tiffany J Pan1,2, Hui Jue Wang1,2, Nathan Herrmann1,2

  • 1Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
PubMed
Summary
This summary is machine-generated.

Nabilone effectively reduced anxiety and depression symptoms in patients with moderate-severe Alzheimer's disease (AD). Further research is needed to understand its effects on appetite changes in AD patients.

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Area of Science:

  • Neuroscience
  • Gerontology
  • Psychiatry

Background:

  • Neuropsychiatric symptoms (NPS) significantly impact Alzheimer's disease (AD) patients' quality of life.
  • Nabilone demonstrated potential in treating agitation in a prior AD trial.
  • This study investigates nabilone's effects on non-agitation NPS in moderate-to-severe AD.

Purpose of the Study:

  • To explore the efficacy of nabilone in alleviating non-agitation NPS in moderate-to-severe Alzheimer's disease.
  • To analyze nabilone's impact on anxiety, depression, and appetite/eating habits in AD patients.

Main Methods:

  • A randomized crossover trial involving 39 moderate-to-severe AD patients with agitation.
  • Participants received nabilone and placebo in separate 6-week treatment phases with a 1-week washout.
  • Linear mixed models analyzed changes in Neuropsychiatric Inventory-Nursing Home version (NPI-NH) sub-scales.

Main Results:

  • Nabilone treatment led to significant decreases in anxiety and depression compared to placebo.
  • Greater changes in appetite/eating habits were observed with nabilone.
  • Higher baseline scores for anxiety, depression, and appetite predicted greater symptom reduction during treatment.

Conclusions:

  • Nabilone shows potential for alleviating anxiety and depression in moderate-to-severe AD patients.
  • Exploratory findings suggest nabilone may improve mood-related symptoms beyond agitation.
  • The impact of nabilone on appetite requires further investigation due to unclear changes.