Johnson & Johnson secures option to acquire CAR-T biotech Sail Biomedicines for $2.6 billion

Johnson & Johnson has secured an exclusive option to acquire Sail Biomedicines for $2.58 billion, paying $785 million up front to advance its preclinical in vivo CAR-T pipeline. This deal highlights a broader pharmaceutical trend, with companies like Eli Lilly and Bristol Myers Squibb acquiring in vivo startups to bypass the costly laboratory cell manipulation required by traditional ex vivo therapies.

J&J Sail Biomedicines acquisition

• ▪Johnson & Johnson secured an exclusive option to acquire Sail Biomedicines for $2.58 billion.
• ▪Johnson & Johnson agreed to pay $785 million up front, including a $465 million equity investment, to advance Sail Biomedicines' lead program.

In vivo CAR-T technology

• ▪Traditional ex vivo CAR-T therapies require manipulating cells in a laboratory, which is a costly process that typically requires chemotherapy conditioning.
• ▪In vivo CAR-T technology aims to reprogram immune cells inside the body, offering a more accessible alternative to traditional ex vivo cell therapies.

Pharma in vivo acquisitions

• ▪Large pharmaceutical companies have acquired at least six startups focused on in vivo cell therapy technology since early 2025.
• ▪Major pharmaceutical companies, including Eli Lilly and Bristol Myers Squibb, have recently acquired in vivo cell therapy developers.

Sail Biomedicines pipeline

• ▪Sail Biomedicines was formed in 2023 through the merger of Senda Biosciences and Laronde, combining endless RNA and programmable nanoparticle technologies.
• ▪Sail Biomedicines' lead program, SAIL-0839, is in preclinical testing for undisclosed therapeutic targets.
• ▪Sail Biomedicines has four in vivo cell therapy programs in preclinical development.

J&J cell therapy portfolio

• ▪Johnson & Johnson previously partnered with Kelonia Therapeutics on in vivo CAR-T therapies before Kelonia Therapeutics was acquired by Eli Lilly.
• ▪Johnson & Johnson co-developed the multiple myeloma cell therapy Carvykti with Legend Biotech.

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