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Safety and Efficacy Study Evaluating Dimebon in Patients With Mild to Moderate Alzheimer's Disease on Donepezil (CONCERT)
This study is currently recruiting participants.
Verified by Medivation, Inc., August 2009
First Received: January 23, 2009   Last Updated: August 12, 2009   History of Changes
Sponsor: Medivation, Inc.
Collaborator: Pfizer
Information provided by: Medivation, Inc.
ClinicalTrials.gov Identifier: NCT00829374
  Purpose

The purpose of this study is to determine if Dimebon is safe and effective in patients with mild to moderate Alzheimer's disease on Donepezil.


Condition Intervention Phase
Alzheimer's Disease
Drug: Dimebon
Drug: Placebo comparator
Phase III

Study Type: Interventional
Study Design: Treatment, Randomized, Double-Blind, Parallel Assignment, Safety/Efficacy Study
Official Title: CONCERT: A Phase 3 Multicenter, Randomized, Placebo-Controlled, Double-Blind Twelve-Month Safety and Efficacy Study Evaluating Dimebon in Patients With Mild-to-Moderate Alzheimer's Disease on Donepezil

Resource links provided by NLM:


Further study details as provided by Medivation, Inc.:

Primary Outcome Measures:
  • Alzheimer's Disease Cooperative Study - Activities of Daily Living (ADCS-ADL) [ Time Frame: Week 52 ] [ Designated as safety issue: No ]
  • Alzheimer's Disease Assessment Scale - Cognitive Subscale [ Time Frame: Week 52 ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Clinician's Interview Based Impression of Change, plus caregiver input (CIBIC-plus) [ Time Frame: Week 52 ] [ Designated as safety issue: No ]
  • Neuropsychiatric Inventory (NPI) [ Time Frame: Week 52 ] [ Designated as safety issue: No ]
  • Resource Utilization in Dementia Lite (RUD lite) [ Time Frame: Week 52 ] [ Designated as safety issue: No ]
  • Euro Quality of Life 5 (EQ-5D) [ Time Frame: Week 52 ] [ Designated as safety issue: No ]

Estimated Enrollment: 1050
Study Start Date: March 2009
Estimated Study Completion Date: December 2011
Estimated Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
1: Experimental
Dimebon, 5 mg orally three times daily
Drug: Dimebon
5 mg orally three times daily
2: Experimental
Dimebon, 20 mg orally three times daily
Drug: Dimebon
20 mg orally three times daily
3: Placebo Comparator
placebo orally three times daily
Drug: Placebo comparator
Placebo orally three times daily

  Eligibility

Ages Eligible for Study:   50 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Mild-to-moderate Alzheimer's disease
  • Probable AD (DSM-IV-TR)
  • MMSE score between 12 and 24, inclusive
  • Stable on donepezil for at least 6 months

Exclusion Criteria:

  • Other causes of dementia
  • Major structural brain disease
  • Unstable medical condition or significant hepatic or renal disease
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00829374

Contacts
Contact: Anthony Golsorkhi, MD 415-829-4196 anthony.golsorkhi@medivation.com
Contact: Stewart Hallett, MBA 415-829-4113 stewart.hallett@medivation.com

  Show 55 Study Locations
Sponsors and Collaborators
Medivation, Inc.
Pfizer
  More Information

No publications provided

Responsible Party: Medivation, Inc. ( Andria Langenberg, MD / Vice President, Clinical Development )
Study ID Numbers: DIM18
Study First Received: January 23, 2009
Last Updated: August 12, 2009
ClinicalTrials.gov Identifier: NCT00829374     History of Changes
Health Authority: United States: Food and Drug Administration

Keywords provided by Medivation, Inc.:
Alzheimer's disease
clinical trial
mitochondria
memory loss
neurodegenerative disease
dementia
investigational drug

Additional relevant MeSH terms:
Delirium, Dementia, Amnestic, Cognitive Disorders
Mental Disorders
Nervous System Diseases
Alzheimer Disease
Central Nervous System Diseases
Neurodegenerative Diseases
Tauopathies
Brain Diseases
Dementia

ClinicalTrials.gov processed this record on November 22, 2009