Has anyone found new updates/info on limb regeneration?

Has anyone found new updates/info on limb regeneration?

www.cnn.com

Army Sgt. Shiloh Harris' doctors applied specially formulated powder to what's left of the finger in an effort to do for wounded soldiers what salamanders can do naturally: replace missing body parts.

(visit the link for the full news article)

I've been wondering how this guy is doing since I saw the video on CNN of the doctors applying the "pixie dust" to his severed finger in attempts to grow a new one.

Has anyone contacted him or anyone that knows how his progress has been going?

www.cnn.com
(visit the link for the full news article)

regeneration is a surgeon's nightmare, isn't it?

but to answer your question, afaik, no, these reports remain anecdotal. maybe unreliable of classified or both?