Rallybio founders (L-R): Jeff Fryer, Martin Mackay and Steve Uden
As Sanofi prunes pipeline, ex-Alexion crew at Rallybio picks up anemia drug
More than a year after it bought Kymab for $1.5 billion, Sanofi is getting rid of a preclinical program that came with the deal.
Sanofi has out-licensed its KY1066 antibody to New Haven, CT-based Rallybio who has redubbed it RLYB331. The deal saw Rallybio make an upfront cash payment of $3 million to Sanofi in addition to promising development and commercial milestones and mid to high single-digit royalties on net sales.
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