I know that Talecris Biotherapeutics did a phase II study that was completed on January 2004 and probably failed to show efficacy (because nothing happened since then). <A HREF="http://clinicaltrials.gov/ct/show/NCT00486837?order=1" target="_blank">http://clinicaltrials.gov/ct/show/NCT00486837?order=1</A> Thanks for the info. Idit.