Thought I'd look up if any clinical trials were going on. Looks like there are two in Norway.
Effectiveness of Group Based Schema Therapy in the Treatment of Personality Disorders
http://clinicaltrials.gov/ct/show/NCT00247234?order=1
Ullevål PersonalityProject
http://clinicaltrials.gov/ct/show/NCT00378248?order=11
Here's the link for all personality disorder clinical trials:
http://clinicaltrials.gov/ct/screen/Bro ... iting=true
Just BEWARE that the ones involving medications mean you would be a guinea pig for a new (or "old") drug. Personally, I would never do these.