Merck & Company IncKeytruda's orbital protein-crystallization research aided development of a faster subcutaneous formulation, advancing Merck's drug technology.

Merck shares rose approximately 1.0% to $146.39 Thursday as the pharmaceutical and oncology heavyweight entered the next era of commercial space research, with its blockbuster cancer drug Keytruda already benefiting from work conducted in orbit. Research aboard the International Space Station helped scientists better understand protein crystallization, contributing to the development of a faster subcutaneous formulation of Keytruda, and NASA's research overview explains that microgravity can produce larger and more orderly protein crystals, potentially giving researchers clearer structural information. As the ISS approaches retirement, commercial stations could offer drugmakers dedicated equipment and more predictable research schedules, although regulators still lack a purpose-built approval framework for medicines manufactured in space. The commercial stakes are already enormous: Keytruda generated about $8.37 billion of Merck's latest $16.61 billion quarter, roughly half of total revenue, while the subcutaneous version contributed $463 million, or around 5.5% of Keytruda sales. At $146.39, Merck trades 21.85% above its GF Value estimate of $120.14, signaling that investors are already paying a meaningful premium to the model's estimate of fair value.
Merck & Company IncKeytruda's orbital protein-crystallization research aided development of a faster subcutaneous formulation, advancing Merck's drug technology.
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