On the bleeding edge
My stock answer to inquiries about “promising” modern treatments that haven’t been studied adequately, provoked by a flood of such inquiries about platelet-rich plasma specifically:
I’m paying attention to where the research goes... but I am too experienced to be optimistic. The last several decades of medicine are packed with these horse-before-cart treatments, and most of them never amount to anything. There is always the faint hope that it prove to be helpful for a specific indications, but it seems like a long shot for any one example.