March 15, 2023

Notice of Launch of ALLYDONE® Patches 27.5 mg / ALLYDONE® Patches 55 mg in Japan as Japan’s First Donepezil Transdermal Therapeutic System

Teikoku Seiyaku Co., Ltd. (Head Office: Higashikagawa City, Kagawa, Japan) and Kowa Company, Ltd. (Head Office: Nagoya City, Aichi, Japan) have announced today that on April 14, 2023, Teikoku Seiyaku and Kowa will launch ALLYDONE® Patches 27.5 mg / ALLYDONE® Patches 55 mg(hereinafter referred to as ALLYDONE® Patches;tape formulations)for the treatment of dementia due to Alzheimer’s disease. ALLYDONE® Patches are indicated for the suppression of progression of dementia symptoms in dementia due to Alzheimer’s disease by the Ministry of Health, Labour and Welfare following today’s listing of ALLYDONE® Patches on the National Health Insurance (NHI) drug price standard.


These tape formulations are Japan’s first transdermal therapeutic system containing donepezil as an active pharmaceutical ingredient. Donepezil suppresses progression of cognitive decline associated with dementia due to Alzheimer’s disease. This is due to the activation of cholinergic neurons through the elevation of the brain’s acetylcholine levels by inhibiting acetylcholinesterase, an acetylcholine degrading enzyme contained in the nervous system.


On December 23, 2022, Teikoku Seiyaku acquired manufacturing and marketing approval for ALLYDONE® Patches. Teikoku Seiyaku will supply the product to Kowa, and Kowa will distribute and market it.
Teikoku Seiyaku and Kowa would like to contribute to the welfare of more patients, care givers and healthcare providers by providing these tape formulations as a new treatment option for dementia due to Alzheimer’s disease.


For further information, please contact:


Teikoku Seiyaku Co., Ltd. General Affairs Department
TEL:+81-3-3661-3331


Overview of ALLYDONE® Patches 27.5 mg / ALLYDONE® Patches 55 mg


Product namesALLYDONE® Patches 27.5 mg / ALLYDONE® Patches 55 mg
Generic nameDonepezil
IndicationsSuppression of progression of dementia symptoms in dementia due to Alzheimer’s disease
Dosage and AdministrationThe dosage for patients with mild to moderate dementia due to Alzheimer’s disease is 27.5 mg once daily.
The dosage for patients with severe dementia due to Alzheimer’s disease, is increased to 55 mg after at least 4 weeks at 27.5 mg. The dose may be reduced to 27.5 mg once daily according to patients’ symptoms.
Apply to the affected area (normal and healthy skin on back, upper arms and upper chest) and change every 24 hours.
PackagingALLYDONE® Patches 27.5 mg  14 patches (1 patch×14), 28 patches (1 patch×28)
ALLYDONE® Patches 55 mg  14 patches (1 patch×14), 28 patches (1 patch×28)
National Health Insurance (NHI) Drug PriceALLYDONE® Patches 27.5 mg  289.80 yen/patch
ALLYDONE® Patches 55 mg  441.40 yen/patch
Date of Manufacturing and Marketing ApprovalDecember 23rd, 2022
Date of listing on the NHI Drug Price StandardMarch 15th, 2023
Date of LaunchApril 14th, 2023
Manufacturing and Marketing Authorization HolderTeikoku Seiyaku Co., Ltd.
DistributorKowa Company, Ltd.