KNOXVILLE, Tenn.--(BUSINESS WIRE)--Provectus Pharmaceuticals, Inc. (OTCBB: PVCT), a development-stage oncology and dermatology biopharmaceutical company, announced that that the interim safety analysis on the first 20 subjects in its phase 2 clinical trial for the treatment of metastatic melanoma has been completed. PV-10 injection was well tolerated by this group, with an adverse event profile similar to that observed in phase 1. In addition, long-term survival data for subjects participating in the phase 1 trial were presented.