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Our Products

Eisai Co., Ltd is a human health care (hhc) company that seeks to discover and develop innovative therapies that can help satisfy unmet medical needs and contribute to the health and well-being of people worldwide. Our hhc mission means that we regard patients and their families as the most important participants in the health care process and we are dedicated to helping improve their lives. As the Hong Kong pharmaceutical subsidiary of Tokyo-based Eisai Co., Ltd., we have 18 brands specializing in the fields of Oncology, Central Nervous System, Digestive System, Endocrine and Orthopedics. In addition to our marketed products, Eisai invests in a diverse R&D pipeline in an effort to bring new treatments to patients in need.


Alzhemier's disease
(Donepezil hydrochloride 5mg, 10mg)

(Perampanel 2mg, 4 mg)

Breast cancer
(Eribulin mesylate 0.88mg/2mL)

Peripheral neuropathies
(Mecobalamin 500 µg)

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Gastro-esophageal reflux disease
(Rabeprazole sodium 10 mg, 20 mg)

This is the website of Eisai (Hong Kong) Co. Ltd. This site is intended for Hong Kong residents only. The health information contained herein is provided for educational purposes only and is not intended to replace discussions with a health care provider. All decisions regarding patient care must be made with a health care provider, considering the unique characteristics of the patient.

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