By Colin Kellaher

 

Pfizer Inc. (PFE) on Wednesday said it agreed to buy clinical-stage biotechnology company Therachon Holding AG for up to $810 million in a deal that expands the New York drug maker's rare-disease portfolio.

Pfizer said it will pay $340 million upfront for Therachon, which has assets in development for the treatment of achondroplasia and short bowel syndrome.

The deal also includes $470 million in additional milestone payments based on the development and commercialization of Therachon TA-46 for achondroplasia, a genetic condition that is the most common form of short-limbed dwarfism, Pfizer said, adding that there are currently no approved treatments for achondroplasia.

 

Write to Colin Kellaher at colin.kellaher@wsj.com

 

(END) Dow Jones Newswires

May 08, 2019 07:15 ET (11:15 GMT)

Copyright (c) 2019 Dow Jones & Company, Inc.
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