STOCKHOLM, Sept. 25, 2023 /PRNewswire/ — BioArctic AB’s (publ) (Nasdaq Stockholm: BIOA B) partner Eisai announced today that “LEQEMBI® Intravenous Infusion” (200 mg, 500mg, lecanemab) has been approved in Japan as a treatment for slowing progression of mild cognitive impairment (MCI) and…