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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00151398
Registration number
NCT00151398
Ethics application status
Date submitted
6/09/2005
Date registered
8/09/2005
Date last updated
6/05/2022
Titles & IDs
Public title
Study Evaluating Lecozotan SR in Mild to Moderate Alzheimer's Disease (AD)
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Scientific title
A 3-Month, Randomized, Double-Blind, Placebo-Controlled, Multicenter, Safety, Tolerability, and Efficacy Study Of 3 Doses Of Lecozotan (SRA-333) SR In Outpatients With Mild To Moderate Alzheimer's Disease With Donepezil As Active Control.
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Secondary ID [1]
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B343-1057, B343-1058
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Secondary ID [2]
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3098B1-201, 3098B1-202
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Alzheimer Disease
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Condition category
Condition code
Neurological
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Alzheimer's disease
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Neurological
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Dementias
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - lecozotan SR
Treatment: Drugs - Donepezil
Experimental: A -
Experimental: B -
Experimental: C -
Active comparator: D -
Treatment: Drugs: lecozotan SR
evaluation of long term therapy with 3 doses of lecozotan sr ( 2, 5, and 10 mg)administered to patients with AD who have completed week 12 evaluations in the short-term study. Patient duration is 42 weeks.
Arms include lecozotan sr 2 mg, 5mg, and 10 mg as well as donepezil.
Treatment: Drugs: Donepezil
10 mg donepezil QD dosed up to 40 weeks
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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The primary endpoints will be the change from baseline in ADAS-Cog total score and ADCS-CGIC total score.
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Assessment method [1]
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Timepoint [1]
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weeks 12, 14, 26 and 40.
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Secondary outcome [1]
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Secondary efficacy outcome variables include additional cognitive, functional,and behavioral measures.
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Assessment method [1]
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Timepoint [1]
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weeks 12, 14, 26 and 40.
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Eligibility
Key inclusion criteria
* Diagnosis of probable AD according to the NINCDS-ADRDA criteria.
* Able to give informed consent. Patient' s caregiver must consent to participate in the study.
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Minimum age
50
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Use of medications for cognitive enhancement within 3 months of baseline.
* Significant neurologic disease other than AD that may affect cognition.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
6/10/2005
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
15/03/2008
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Sample size
Target
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Accrual to date
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Final
229
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Recruitment in Australia
Recruitment state(s)
NSW,VIC
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Recruitment hospital [1]
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- Hornsby
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Recruitment hospital [2]
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- Heidelberg Heights
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Recruitment postcode(s) [1]
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2077 - Hornsby
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Recruitment postcode(s) [2]
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3081 - Heidelberg Heights
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Recruitment outside Australia
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United States of America
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Arizona
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United States of America
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California
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Florida
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Missouri
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New York
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North Carolina
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Ohio
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Oklahoma
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Pennsylvania
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Rhode Island
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Tennessee
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Texas
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Vermont
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Argentina
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Av. Belgrano
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Argentina
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Calle Adolfo Alsina
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Argentina
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Cervino
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Larrea
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Argentina
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Nueva York
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Argentina
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Pilar
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Canada
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Alberta
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New Brunswick
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Ontario
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Saskatchewan
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South Africa
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Bloemfontein
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South Africa
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Cape Town
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South Africa
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Johannesburg
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South Africa
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Western Cape
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Wyeth is now a wholly owned subsidiary of Pfizer
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is determine the safety, tolerability, and efficacy of 3 doses of lecozotan SR in patients with mild to moderate Alzheimer's Disease over 12 weeks.
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Trial website
https://clinicaltrials.gov/study/NCT00151398
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
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Medical Monitor
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Address
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Wyeth is now a wholly owned subsidiary of Pfizer
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT00151398
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