Provectus Biopharmaceuticals, Inc., a clinical-stage biotechnology company, engages in developing immunotherapy medicines for various diseases in the United States. The company's lead molecule is rose bengal sodium, a member of a class of molecules called halogenated xanthenes. Its clinical development programs include PV-10 for the treatment of stage III and IV melanoma and different types of liver cancers and blood cancers; PH-10 for the treatment of psoriasis and atopic dermatitis, and skin i...