Tacrolimus (FK506)

I am pretty new here and not the smartest person in regards to PFS, so hopefully I won’t get bashed on this question. Has anyone ever tried Tacrolimus (FK506) and what benefit could it hold for us? Any thoughts on this would be appreciated. Thanks

onlinelibrary.wiley.com/doi/10.1002/micr.20483/pdf

Cannot access the link, need to login. Is there another site with same document?

Here is the abstract for the study Airborne is talking about: http://onlinelibrary.wiley.com/doi/10.1002/micr.20483/abstract