Express Scripts adds Imprimis' Daraprim alternative

Express Scripts Holding Co. (NASDAQ:ESRX) added Imprimis Pharmaceuticals Inc. (NASDAQ:IMMY) to its pharmacy network and said it will offer Imprimis' compounded formulation of pyrimethamine and leucovorin to patients in the network. Imprimis said in October it had launched the formulation as a low-cost alternative to toxoplasmosis drug Daraprim pyrimethamine from Turing Pharmaceuticals AG (Zug, Switzerland) (see BioCentury Extra, Oct. 22).

Express Scripts will make the formulation available to patients in its network for $1 per pill as early as this week. ...