A Double-blind Study of E2020 (Donepezil Hydrochloride) in Patients With Dementia With Lewy Bodies (DLB) (Study E2020-J081-431)
Dementia With Lewy Bodies (DLB)
About this trial
This is an interventional treatment trial for Dementia With Lewy Bodies (DLB) focused on measuring Lewy Body Disease, Dementia, Clinical Trial, Phase II, E2020, donepezil hydrochloride
Eligibility Criteria
Inclusion criteria:
Patients diagnosed as probable Dementia With Lewy Bodies (DLB) according to the diagnostic criteria for DLB.
Participants having caregivers who submit written consent for cooperative involvement in this study, can routinely stay with participants 3 days a week (at least 4 hours a day), provide participants' information necessary for this study, assist treatment compliance, and escort participants on required visits to study institution.
Exclusion criteria:
Participants with past experience of donepezil (Aricept) therapy at the same study institution.
Participants treated with donepezil in 3 months immediately before starting the observation period.
Participants with a complication of serious neuropsychiatric disease(s) such as stroke, brain tumor, schizophrenia, epilepsia, normal pressure hydrocephalus, mental retardation, brain trauma with unconsciousness, and/or experience of brain surgery causing unsolved deficiency.
Participants with severe complication of cardiovascular, hepatic, renal, hematological, or other diseases unable to secure the safety.
Pregnant or lactating women, or women who are willing to become pregnant no later than 1 month after the scheduled study completion
Participants with severe extrapyramidal disorders (Hoehn & Yahr staging score is ≥IV)
Participants whose systolic blood pressure is <90 mmHg or pulse rate is <50 beats/min.
Participants suspected to have a complication of vascular dementia based upon neurological findings.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Placebo Comparator
3 mg Donepezil hydrochloride
5 mg Donepezil hydrochloride
10 mg Donepezil hydrochloride
Placebo