Eisai announces launch of Rozebalamin and Tasfygo

21 November 2024

Japanese drugmaker Eisai (TYO: 4523)has announced that the amyotrophic lateral sclerosis (ALS) treatment Rozebalamin for Injection (mecobalamin) has been launched in Japan as a treatment for slowing progression of functional impairment in amyotrophic lateral sclerosis.

The product received manufacturing and marketing approval in Japan on September 24, 2024, and was published in Japan’s National Health Insurance Drug Price List on November 20.

This approval is based on the results of JETALS (The Japan Early-Stage Trial of Ultrahigh-Dose Methylcobalamin for ALS), multicenter, placebo-controlled, double-blind, randomized Phase III clinical trial in 130 patients with ALS,

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