What's so disturbing about the FDA's actions? Prochymal was found to be no better than a placebo when used as a treatment in two clinical trials for graft-versus-host disease. Sounds to me like the FDA is doing exactly what it is supposed to be doing -- preventing companies from selling snake oil as a legitimate medical treatment in the US.
http://www.nature.com/news/2009/090909/full/news.2009.894.ht...