Alexion Pharmaceuticals Inc. revealed on 5 May that it has agreed to acquire Portola Pharmaceuticals Inc. for about $1.4bn in cash, but analysts don’t see the value in that price or in Portola’s Factor Xa inhibitor reversal drug Andexxa, a product stuck in neutral more than a year past its initial launch.
On a same-day investor call, Alexion executives cited multiple strategies for growing Andexxa (coagulation factor Xa (recombinant), inactivated-zhzo) and said...








