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Keytruda: How Merck's Pembrolizumab Became the Best-Selling Cancer Drug of All Time (Part One) | Approved with Alex Kesin and Matthew Pech

Summary by Podcast Notes
Keytruda (pembrolizumab) reshaped modern oncology treatment and generated $31.7 billion of revenue in 2025 alone. However, it didn't become the best-selling cancer drug of all time overnight. Part one of this Podcast Notes Premium Series explains why immunotherapies were blackballed by big pharma for almost 100 years, how scientists discovered that the immune system can be driven like a racecar, why you should never ignore a serendipitous discov…
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Podcast Notes broke the news on Saturday, September 19, 2026.
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