KNOXVILLE, Tenn.--(BUSINESS WIRE)--Provectus Pharmaceuticals, Inc. (OTCBB: PVCT) has begun recruitment for its Phase 2 clinical trial of the Company's lead oncology agent PV-10 at a fourth major center, now covering Adelaide, Australia in addition to Sydney and Brisbane, Australia, as well as M.D. Anderson in Houston, Texas, USA. Over the next several months, the Company expects to continue expansion of the study to include sites in other major population centers in Australia as well as several sites in the United States.