Patent 7199157 was granted and assigned to United Therapeutics on April, 2007 by the United States Patent and Trademark Office.
The present invention describes novel methods for using Treprostinil or its derivative, or a pharmaceutically acceptable salt thereof, for improving kidney functions, such as urine output, and treating symptoms associated with kidney malfunction or failure. The invention also relates to kits for the improvement of kidney functions and the treatment of symptoms associated with kidney malfunction or failure, comprising an effective amount of Treprostinil or its derivative, or a pharmaceutically acceptable salt thereof.