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Patterns of clinically detectable treatment effects with galantamine: a qualitative analysis
Christine Joffres1, Romola S Bucks, Judy Haworth
1Geriatric Medicine Research Unit, Queen Elizabeth II Health Sciences Centre, Halifax, Canada.
Dementia and Geriatric Cognitive Disorders
|November 29, 2002
Summary
The Clinician's Interview Based Impression of Change, plus carer interview (CIBIC-Plus) notes reveal complex patient changes in Alzheimer's trials. Clinicians weigh cognitive, functional, and behavioral shifts, often finding improvements offset by declines.
Area of Science:
- Neuroscience
- Clinical Psychology
- Pharmacology
Background:
- The Clinician's Interview Based Impression of Change, plus carer interview (CIBIC-Plus) is a standard tool in anti-dementia drug trials.
- It combines clinician observations of behavior, function, and cognition with a global rating of change.
Purpose of the Study:
- To analyze the narrative content of clinician notes from a galantamine trial for Alzheimer's disease.
- To understand how clinicians interpret and rate patient changes using the CIBIC-Plus.
Main Methods:
- Analysis of narrative clinician notes from a randomized, controlled trial of galantamine.
- Identification of patterns in reported patient improvements and declines across cognitive, functional, and behavioral domains.
Main Results:
- Most patients were rated 'no change', yet exhibited mixed improvements and declines.
- Cognitive improvements were noted across various ratings, while functional improvements led to 'improved' or 'no change' ratings.
- Cognitive decline, especially when paired with functional decline, strongly predicted worsening ratings.
Conclusions:
- CIBIC-Plus notes offer valuable insights into treatment effects if data are consistent and contradictory information is explored.
- Clinicians may require functional or behavioral changes to corroborate reported cognitive improvements.