Ruboxistaurin
Ruboxistaurin is an investigational drug for diabetic retinopathy being investigated by Eli Lilly and Company. It is a member of the bisindolylmaleimide family.
On February 2006, Lilly submitted a New Drug Application for ruboxistaurin, and on August 18, 2006, Lilly received an approvable letter from the US FDA for ruboxistaurin, with a request for an additional clinical trial, which would take 5 years to complete. Lilly has not made any further request for approval and ruboxistaurin is not approved by the FDA for any medical use.Ruboxistaurin is an inhibitor of protein kinase C-beta.