COMMENTARY

9 Drugs Top 100 Billion Yen in FY2025 Japan Sales; Keytruda Retains Crown: Jiho Tally

By Koji Shimomura and Kimi Orita August 20, 2026
Nine prescription drugs generated domestic sales of more than 100 billion yen in FY2025, three more than a year earlier, according to a Jiho tally, with MSD’s Keytruda (pembrolizumab) retaining the top spot for the third consecutive year. Keytruda sales…

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COMMENTARY

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