There was a trial going on in Canada for this a few years ago, and the procedure was grueling to say the least. The good news is that those people who did it (and lived to tell about it, one died), are all doing really, really well.

Here's a recent update, which starts off with information about another drug trial:

http://www.cbc.ca/national/blog/vide...erapies_1.html

Cherie