The planned acquisition of Kartos Therapeutics would hand Ipsen a late-stage asset for myelofibrosis. Elsewhere, Sobi hit a regulatory setback and BeOne unveiled more positive Brukinsa data.

Ipsen will pay $450 million upfront to buy Kartos Therapeutics and its MDM2 protein-targeting drug candidate that it in-licensed from Amgen back in 2016.

The planned acquisition of Kartos Therapeutics would hand Ipsen a late-stage asset for myelofibrosis. Elsewhere, Sobi hit a regulatory setback and BeOne unveiled more positive…