Veloxis Pharmaceuticals A/S’ board chairman, Michael Heffernan, said investors will find out in “the next four weeks” more details related to the $1.3 billion takeover by Tokyo-based Asahi Kasei Corp., which gets control of Envarsus XR, an improved formulation of tacrolimus for prophylaxis of organ rejection in kidney transplant patients converted from tacrolimus and for use in de novo kidney transplant patients.