AMLN/Pramlintide-Metreleptin combo They are working on it: In 2008, we plan to continue developing a delivery system that will provide both pramlintide and metreleptin in a single injection. http://sec.edgar-online.com/amylin-pharmaceuticals-inc/10-k-annual-report/2008/02/27/section3.aspx (about half-way down)