The potential for endolysins is really exciting but at this point hard evidence from human trials is very thin on the ground. As such safe well understood Lysin/endolysin treatments are someway off.
There are various links on this website to product and other articles. I would read them as background knowledge but not as subsitiute to seeking proper medical advice.
The internet knows lots, but I’d sooner hear any medical advice from a Doctor and not some webpage or blog!