<unk> (extended release) is a calcineurin inhibitor that is FDA approved for the prophylaxis of organ rejection in kidney transplant patients converted from<unk> immediate-release formulations in combination with other immunosuppressants. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include diarrhea and increased blood creatinine.
Tacrolimus 
Sirolimus
Temsirolimus
Pimecrolimus
Aldesleukin
Ruxolitinib
Interferon alfa-2b
Interferon alfa-2a