I've had several "ego death" experiences due to my heavy drug abuse, and I don't think it's a cure. It's an experience that anyone can have, but it can also be dangerous (if you're afraid of CTB). On the other hand, it was something different every time. For the first time I had the feeling of who I am, why I am, what I should forget and only my CTB thoughts in my head, which almost cost me my life.
AMA if you have any questions about ego death!