Comparative Efficacy, Safety, and Tolerability of Rivastigmine 10 and 15 cm^2 Patch in Patients With Alzheimer's Disease (AD) Showing Cognitive Decline
Alzheimer Disease
About this trial
This is an interventional treatment trial for Alzheimer Disease focused on measuring Alzheimer's, Patch, Cognitive, Decline
Eligibility Criteria
Inclusion Criteria:
- Male or female patients between 50 and 85 years of age with a diagnosis of probable Alzheimers Disease,
- Baseline Mini-Mental State Examination (MMSE) score 10-24 inclusive,
- A primary caregiver willing to accept responsibility for supervising treatment, assessing the patient's condition throughout the study, and for providing input into efficacy assessments.
- For double blind only: Meet the decline criteria of functional (as assessed by the investigator) and cognitive (assessed by a 1 point reduction in Mini-Mental State Examination) score between visits or a 3 point reduction from baseline) decline at weeks 23, 36 or 48.
Exclusion Criteria:
- Presence of an advanced, severe, progressive, or unstable disease of any type that could interfere with efficacy and safety assessments or put the patient at particular risk,
- Any medical or neurological condition other than Alzheimers Disease that could explain the patient's dementia,
- A diagnosis of probable or possible vascular dementia,
- A current diagnosis of unsuccessfully-treated depression, or any other mental disorder that may interfere with the evaluation of the patient's response to study medication,
- A history or current diagnosis of cerebrovascular disease (e.g. stroke),
- A current diagnosis of severe or unstable cardiovascular disease (e.g. unstable coronary artery disease).
Other protocol-defined inclusion/exclusion criteria may apply.
Sites / Locations
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Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
Open label: Rivastigmine (5 cm^2 / 10 cm^2)
Double blind: Rivastigmine (10 cm^2)
Double blind: Rivastigmine (15 cm^2)
Extended open label Rivastigmine (10 cm^2)
Rivastigmine 5 cm^2 transdermal patch once a day during the first 4 weeks of open label treatment followed by rivastigmine 10 cm^2 transdermal patch once a day from week 4 to week 24, 36 or 48.
Rivastigmine transdermal patch 10 cm^2 and placebo to rivastigmine 15 cm^2 once daily for 48 weeks during the double blind period.
Rivastigmine transdermal patch 15 cm^2 and placebo to rivastigmine 10 cm^2 once daily for 48 weeks during double blind period.
Rivastigmine 10 cm^2 transdermal patch once a day during 48 weeks open label treatment running in parallel to the double blind period.