News Ipsen to buy rare disease firm Clementia for up to $1.31bn Richard Staines Clementia, Ipsen, M&A, Rare diseases 0 Comment France’s Ipsen has agreed to buy Canadian rare diseases biotech Clementia Pharmaceuticals in a deal worth up to Share X Ipsen to buy rare disease firm Clementia for up to $1.31bn https://pharmaphorum.com/news/ipsen-to-buy-rare-disease-firm-clementia-for-up-to-1-31bn/