If you search the archives you will find many threads about megace including this one where I talked about it on this forum:
http://www.medhelp.org/posts/show/493160
Many of the threads talk about side effects and toxicity, etc, so they will probably be of more value to you, as I took it as an appetite stimulant while on TPN to gain weight back. I believe it is more often used for breast cancer, so there are quite a few posts in the archives from that forum. I hope you find what you are looking for.