A Study of RO5313534 as Add-on to Donepezil Treatment in Patients With Mild to Moderate Alzheimer's Disease

NCT ID: NCT00884507

Last Updated: 2016-11-02

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

389 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-05-31

Study Completion Date

2010-11-30

Brief Summary

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This 4 arm study will assess the efficacy and safety of RO5313534 (MEM3454) versus placebo added to donepezil, in patients with mild to moderate Alzheimer's disease. Following a screening period, patients will be randomized to one of 4 treatments (placebo, or RO5313534 1mg, 5mg or 15mg po daily) with background therapy of donepezil (5mg or 10mg).The anticipated time on study treatment is 6 months, and the target sample size is 100-500 individuals.

Detailed Description

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Conditions

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Alzheimer's Disease

Study Design

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Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

po daily for 24 weeks

RO5313534 15mg

Group Type EXPERIMENTAL

RO5313534

Intervention Type DRUG

15mg po daily for 24 weeks

RO5313534 1mg

Group Type EXPERIMENTAL

RO5313534

Intervention Type DRUG

1mg po daily for 24 weeks

RO5313534 5mg

Group Type EXPERIMENTAL

RO5313534

Intervention Type DRUG

5mg po daily for 24 weeks

Interventions

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Placebo

po daily for 24 weeks

Intervention Type DRUG

RO5313534

1mg po daily for 24 weeks

Intervention Type DRUG

RO5313534

5mg po daily for 24 weeks

Intervention Type DRUG

RO5313534

15mg po daily for 24 weeks

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* adult patients, \>/=50 years of age;
* probable Alzheimer's disease;
* MMSE score at screening of 13-22;
* under stable donepezil treatment given at a fixed dose of 5 or 10mg daily for \>=4 months prior to baseline;
* not requiring nursing home care, but looked after by a caregiver/carer.

Exclusion Criteria

* dementia due to condition other than Alzheimer's disease;
* other significant neurological disorder;
* untreated/non-stabilized major depressive disorder;
* bipolar disorder, schizophrenia, or any other serious psychiatric condition.
Minimum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Hoffmann-La Roche

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Clinical Trials

Role: STUDY_DIRECTOR

Hoffmann-La Roche

Locations

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Orange, California, United States

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Torrance, California, United States

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Norwalk, Connecticut, United States

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Delray Beach, Florida, United States

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Fort Myers, Florida, United States

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Maitland, Florida, United States

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Tampa, Florida, United States

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Tampa, Florida, United States

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Paducah, Kentucky, United States

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Kalamazoo, Michigan, United States

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Creve Coeur, Missouri, United States

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Eatontown, New Jersey, United States

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Albuquerque, New Mexico, United States

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White Plains, New York, United States

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Portland, Oregon, United States

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Buenos Aires, , Argentina

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Buenos Aires, , Argentina

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Buenos Aires, , Argentina

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Caba, , Argentina

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Hornsby, New South Wales, Australia

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Chermside, Queensland, Australia

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Woodville, South Australia, Australia

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Medicine Hat, Alberta, Canada

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Vancouver, British Columbia, Canada

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Kingston, Ontario, Canada

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London, Ontario, Canada

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Ottawa, Ontario, Canada

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Peterborough, Ontario, Canada

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Toronto, Ontario, Canada

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Toronto, Ontario, Canada

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Montreal, Quebec, Canada

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Verdun, Quebec, Canada

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Regina, Saskatchewan, Canada

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Montpellier, , France

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Nice, , France

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Saint-Herblain, , France

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Toulouse, , France

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Günzburg, , Germany

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Leipzig, , Germany

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München, , Germany

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Nuremberg, , Germany

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Napoli, Campania, Italy

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Castellanza, Lombardy, Italy

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Milan, Lombardy, Italy

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Milan, Lombardy, Italy

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Aguascalientes, , Mexico

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Guadalajara, , Mexico

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Monterrey, , Mexico

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Saltillo, , Mexico

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Gdansk, , Poland

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Leszno, , Poland

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Torun, , Poland

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Warsaw, , Poland

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Bucharest, , Romania

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Bucharest, , Romania

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Bratislava, , Slovakia

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Michalovce, , Slovakia

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Barcelona, Barcelona, Spain

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BArcelon, Barcelona, Spain

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Salt, Girona, Spain

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Madrid, Madrid, Spain

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Málaga, Malaga, Spain

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Barakaldo, Vizcaya, Spain

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Blackpool, , United Kingdom

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Bradford, , United Kingdom

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Glasgow, , United Kingdom

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Southampton, , United Kingdom

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Countries

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United States Argentina Australia Canada France Germany Italy Mexico Poland Romania Slovakia Spain United Kingdom

Other Identifiers

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2008-004012-13

Identifier Type: -

Identifier Source: secondary_id

WN22018

Identifier Type: -

Identifier Source: org_study_id