Do they have any available information? Preliminary test? Cured it in vitro, animal models, a few humans? Patents? Any other interesting medical/biological result published?

There are a lot of people that proclaim that have cure for AIDS/cancer/whatever, and many of them blame the establishment for blocking it. The same history appears with perpetual movement machines. Without more proof, probably it just another too optimistic investigator, a scammer or a crackpot.