source: Dolan, Eric W. "PTSD-related Study Finds a Single Dose of MDMA Helps Conditioned Fear Go Extinct." PsyPost. N.p., 29 Dec. 2015. Web. 30 Dec. 2015.
Interesting, the findings of the study seem like it has implications that could potentially be applied to phobias as well.
I do remember it helped me get over a relationship that ended badly once (well, thats the way it seemed to me anyhow). After the roll, thinking it through and talking about it it was like I was brand new again.