Eisai Co., Ltd. announces the start of operations at Eisai Saudi Arabia, a wholly-owned subsidiary in Riyadh, focusing on pharmaceutical sales. Established in April 2024, it aims to build an in-house sales system, taking over commercial rights from local partners. The company plans to expand its product portfolio, including Methycobal, Fycompa, Lenvima, and Halaven, and has submitted an application for Alzheimer’s treatment lecanemab. Saudi Arabia’s pharmaceutical market, the largest in the Middle East, grew at an average rate of 7% from 2019 to 2023.