Most of us with APS take blood thinners of one sort or another. This is a news story link about studies of 3 new drugs to possibly replace Warfarin.
http://www.comcast.net/articles/news-health/20080715/MED.HealthBeat.Blood.Thinners/
http://www.comcast.net/articles/news-health/20080715/MED.HealthBeat.Blood.Thinners/