The purchase hands Ipsen an experimental medicine in late-stage testing for a virus that often affects kidney transplant patients.

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 purchase hands Ipsen an experimental medicine in late-stage testing for a virus that often affects kidney transplant patients.

Ipsen buys Memo Therapeutics for €200M upfront, gaining kidney-transplant drug potravitug in its second deal this week.