MSD’s anti-PD-1 antibody Keytruda (pembrolizumab) retained its position as Japan’s best-selling drug in the July-September quarter of 2025, according to market data released by IQVIA Japan on November 13. Keytruda recorded sales of 57.3 billion yen, up 26.2% year 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…





