This is a plain language summary of an article published in the Journal of Alzheimer’s Disease. It describes an adhesive patch placed on the skin’s surface, also referred to as a transdermal delivery system (or TDS), that delivers donepezil (called donepezil TDS going forward) through the skin of patients with mild, moderate, and severe dementia of the Alzheimer’s type. This summary focuses on how fast and how much of the medication donepezil enters the body through the skin, and how it compares with taking a pill form of donepezil by mouth (oral donepezil). This summary also looks at how much donepezil is circulating through the body with the use of the once-a-week donepezil TDS versus the once-a-day donepezil pill. We show that the same amount of donepezil circulates through the body when donepezil TDS is used once a week as when a participant takes an oral donepezil pill once a day.This Plain Language Summary of Publication article from Neurodegenerative Disease Management focuses on how fast and how much of the medication donepezil enters the body through the skin, and how it compares with taking a pill form of donepezil by mouth (oral donepezil). This summary also looks at how much donepezil circulates through the body with the use of the once-a-week donepezil TDS versus the once-a-day donepezil pill.

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The original article on which this summary is based is called ‘Comparison of Steady-State Pharmacokinetics of Donepezil Transdermal Delivery System with Oral Donepezil’ and it was published in the Journal of Alzheimer’s Disease.

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