There are other treatment ideas in there as well, apart from the case study where they used interferon.
I have an FIV kitty to whom I give 250mg of lactoferrin daily. It's mentioned in the Veterinary News article above. The basis of the research is primarily as it relates to stomatitis. This is written from the perspective of FIV, but has links to the stomatitis studies (just keep scrolling until you find Bovine Lactoferrin: http://www.fivtherapy.com/bdmeds.htm#Botanicals ).
A number of members are using a treatment provided by a clinic in the Dallas/Ft. Worth area that specializes in the treatment: