Legacy Pharma buys Roche’s InterMune unit

11 February 2025

Caymen Islands-headquartered specialty drug firm Legacy Pharma has announced the completion of the acquisition of InterMune, along with the intellectual property rights to Esbriet (pirfenidone) in the USA, from Genentech, a subsidiary of Swiss pharma giant Roche (ROG: SIX).

Financial terms of the transaction have not been disclosed. Roche acquired InterMune about 10 years ago for $8 billion.

While Esbriet brought in over $1 billion in global sales each year from 2018 to 2022, its revenue fell off significantly in 2023 - down to $229 million - due to generic competition.

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