KNOXVILLE, Tenn.--(BUSINESS WIRE)--Provectus Pharmaceuticals, Inc. (OTC BB: PVCT), a development-stage oncology and dermatology biopharmaceutical company, announced today that the Lead Investigator for its Phase 2 melanoma study, Professor John F Thompson, MD, will address the inaugural Sydney Cancer Conference 2008 (SCC2008). Professor Thompson will speak at 11:15 am local time on Friday July 25th at the Eastern Avenue Auditorium and Lecture Theatre Complex at The University of Sydney, in Sydney, Australia.