The Efficacy and Safety Study of High Dose Donepezil in Parkinson's Disease With Dementia

NCT ID: NCT02415062

Last Updated: 2015-08-06

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

UNKNOWN

Clinical Phase

PHASE2

Total Enrollment

150 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-07-31

Study Completion Date

2017-12-31

Brief Summary

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The purpose of this study to evaluate the safety and efficacy of high-dose donepezil (23mg) in Parkinson's disease with dementia compared to standard dose donepezil.

Detailed Description

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This study is open-label, prospective, randomized paralleled study. The investigators evaluate the efficacy of high-dose donepezil in patients with Parkinson's disease with dementia (PDD) who have taken standard donepezil (10mg) for 12 weeks. The participants, who sign the informed consent, are assigned into two groups randomly (high-dose donepezil group and standard donepezil group). All participants will be maintained the medication for 24 weeks and assessed cognitive function at 24 weeks. They will visit to clinic for 3 times (4, 12, 24 weeks) to assess cognitive function and adverse event. After the end of study, all participants were administrated by standard dose donepezil again.

Conditions

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Parkinson's Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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high dose donepezil (23mg)

Patients with dementia in Parkinson's disease, who are treated with high dose donepezil (23mg)

Group Type EXPERIMENTAL

Donepezil

Intervention Type DRUG

23mg/day for 24 weeks versus 10mg/day for 24 weeks

standard dose denepezil (10mg)

Patients with dementia in Parkinson's disease, who are treated with standard dose donepezil (10mg)

Group Type ACTIVE_COMPARATOR

Donepezil

Intervention Type DRUG

23mg/day for 24 weeks versus 10mg/day for 24 weeks

Interventions

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Donepezil

23mg/day for 24 weeks versus 10mg/day for 24 weeks

Intervention Type DRUG

Other Intervention Names

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aricept

Eligibility Criteria

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Inclusion Criteria

* Patients diagnosed as Parkinson's disease according to Queen Brain Bank criteria
* Patients who have been diagnosed as dementia after diagnosing Parkinson's disease at least 1 year.
* Patients with Hoehn and Yahr staging from 2 to 4
* Patients with MMSE score from 10 to 24
* Patients who have taken donepezil for at least 12 weeks before screening period
* Patients whose medications for Parkinson's disease have not change for 1 month
* Patients who give informed consent

Exclusion Criteria

* Patients who cannot be performed neuropsychiatric test because of hearing and visual difficulty
* Patients who have taken medicine affecting cognitive function such as anticholinergic drug and memantine -Patients diagnosed as dementia with Lewy body and vascular dementia-
* Patients who have history of neurosyphilis, head trauma, encephalitis or other movement disorders
* Patients who have psychiatric disease
* Except patients who are stable state under antidepressant or atypical neuroleptics
* Patients with child-bearing periods
* Patients who have severe liver or kidney disease necessary for aggressive treatment
* Patients who have gastrointestinal disease needed for treatment
* Patients who cannot taken tablet per oral
* Patients who are participated in other clinical trial except observational study
Minimum Eligible Age

50 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Inje University

OTHER

Sponsor Role lead

Responsible Party

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Sangjin Kim

Busan Paik Hospital, Inje University

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Sangjin Kim, Professor

Role: PRINCIPAL_INVESTIGATOR

Inje University Haeundae Paik Hospital

Locations

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Inje university, busan paik hospital

Busan, , South Korea

Site Status RECRUITING

Countries

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South Korea

Central Contacts

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Sangjin Kim, Professor

Role: CONTACT

82-51-797-8736

Facility Contacts

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Sang-jin kim, professor

Role: primary

82-10-9525-6207

References

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Ravina B, Putt M, Siderowf A, Farrar JT, Gillespie M, Crawley A, Fernandez HH, Trieschmann MM, Reichwein S, Simuni T. Donepezil for dementia in Parkinson's disease: a randomised, double blind, placebo controlled, crossover study. J Neurol Neurosurg Psychiatry. 2005 Jul;76(7):934-9. doi: 10.1136/jnnp.2004.050682.

Reference Type BACKGROUND
PMID: 15965198 (View on PubMed)

Leroi I, Brandt J, Reich SG, Lyketsos CG, Grill S, Thompson R, Marsh L. Randomized placebo-controlled trial of donepezil in cognitive impairment in Parkinson's disease. Int J Geriatr Psychiatry. 2004 Jan;19(1):1-8. doi: 10.1002/gps.993.

Reference Type BACKGROUND
PMID: 14716693 (View on PubMed)

Aarsland D, Laake K, Larsen JP, Janvin C. Donepezil for cognitive impairment in Parkinson's disease: a randomised controlled study. J Neurol Neurosurg Psychiatry. 2002 Jun;72(6):708-12. doi: 10.1136/jnnp.72.6.708.

Reference Type BACKGROUND
PMID: 12023410 (View on PubMed)

Other Identifiers

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CUPID-01

Identifier Type: -

Identifier Source: org_study_id

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