MSD’s anti-PD-1 antibody Keytruda (pembrolizumab) once again held on to its title as Japan’s best-selling drug in the April-June quarter of 2025, according to data released by IQVIA Japan on August 19. Keytruda generated sales of 55.8 billion yen on…
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I recently sat down with one of the leading medical directors in Japan to discuss the critical evolution of the medical science liaison (MSL) role.The MSL has transformed from a scientific resource into a strategic partner essential for successful product…





