To overcome this challenge, we are interested in a "drug repurposing" strategy. Drug repurposing is the application of known drugs to new diseases. Current NIH director, Dr. Francis Collins, supports this concept and collaborates with the FDA director and major pharmaceutical companies to drive this idea.
http://www.tedmed.com/videos-info?name=Francis_S._Collins_at_TEDMED_2012&q=updated&year=all