Wow he is truly a lucky person to have a friend who cares so much, and you are very special person to want to help him.
I have not heard of the PJ's you are referring to, but i would try anything!! I have similar symptoms in my feet and hands.
I wish your friend good luck on the copaxone, I tried it but it wasn't for me, I am abouts to start Avonex
I wish you and your friend good luck. xx