The Clinical Response of Choline Acetyltransferase and Apolipoprotein Epsilon Gene Polymorphisms to Donepezil in Alzheimer's Disease

This study attempts to differentiate the clinical responses of Choline Acetyltransferase and Apolipoprotein Epsilon gene polymorphism to donepezil in Alzheimer's Disease patients...

Date First Received: September 25, 2006

Last Updated: March 26, 2008

Verified by: Eisai Medical Research Inc., March 2008

Clinical Trial Phase: Phase 4 | Start Date: August 2006

Overall Status: Active, not recruiting

Estimated Enrollment: 145

Brief Summary

Official Title: “A Multi-Center Study for the Clinical Response of Choline Acetyltransferase and Apolipoprotein Epsilon Gene Polymorphisms to Donepezil in Alzheimer's Disease”

Condition Keyword(s):

Intervention(s):

This study attempts to differentiate the clinical responses of Choline Acetyltransferase and Apolipoprotein Epsilon gene polymorphism to donepezil in Alzheimer's Disease patients.

Study Type: Interventional

Study Design: Treatment, Non-Randomized, Open Label, Uncontrolled, Single Group Assignment, Efficacy Study

Study Primary Completion Date: August 2008

Intervention(s) in this Clinical Trial

  • Drug: Donepezil
    • 2.5mg once daily for the first 7 days, 5mg once daily for the next 3 weeks, after then the dose can be increased 10mg once daily under the investigator's decision.

Arms, Groups and Cohorts in this Clinical Trial

  • Experimental: 1

Outcome Measures for this Clinical Trial

Primary Measures

  • CERAD-K(N), CIBIS/CIBIC-plus, NPI
    • Time Frame: 0, 12, 26 weeks
      Safety Issue?: Yes

Criteria for Participation in this Clinical Trial

Inclusion criteria:

  • 1. Age: 60 - 90 years old.
  • 2. Education: over six years.
  • 3. CDR: 0.5 - 2.0.
  • 4. Patients who do not have severe depressive symptoms that affect cognition on depression scale of CERAD-K(C), GDS-K: 19 and below.
  • 5. Modified Hachinski Ischemic Score (Rosen, et. al., 1979): 3 and below.
  • 6. NINCDS-ADRDA criteria: Probable AD.

Exclusion criteria:

  • 1. Patients who have delusion and other conscious dysfunction.
  • 2. Patients who have neurologic diseases such as Parkinson's disease, stroke, tumor, normal pressure hydrocephalus, etc., on history and neurologic examination.
  • 3. Patients who have history of infectious and inflammatory brain disease owing to virus, fungus and syphilis.
  • 4. Patients with severe cerebrovascular pathology.
  • 5. Patients who have present history of major psychological diseases such as depression and mania according to DSM-IV criteria.
  • 6. Patients who have history of alcoholism or drug addiction.
  • 7. Patients who have severe depressive symptoms that affect cognition on depression scale of CERAD-K.

Gender Eligibility for this Clinical Trial: Both

Minimum Age for this Clinical Trial: 60 Years

Maximum Age for this Clinical Trial: 90 Years

Are Healthy Volunteers Accepted for this Clinical Trial?: No

Clinical Trial Sponsor Information

Lead Sponsor: Eisai Korea Inc.

Overall Clinical Trial Officials and Contacts

Jihee Mun Study Director Eisai Korea Inc.  

Additional Information

Information obtained from ClinicalTrials.gov on November 19, 2008

Link to the current ClinicalTrials.gov record. http://clinicaltrials.gov/show/NCT00381381

Study ID Number: EKI-6-00457

ClinicalTrials.gov Identifier: NCT00381381

Health Authority: Korea: Food and Drug Administration

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