I posted this in the steroid questions forum but no one read it. For anyone that's interested in science biology it's a great read
http://www.mdausa.org/news/021127micedmd.html
This is a summary article on the inhibition of a certain protien called myostatin that inhibits muscle growth.
the clinical trial is done with mice with muscualar dystrophy.
Makes sense to me that the next big drug will be whatever they come out with to inhibit myostatin.