Provectus announces notice of allowance for US patent on RBS

Provectus Biopharmaceuticals announced that the United States Patent and Trademark Office has allowed patent application 17/232,393, titled “Halogenated Xanthene Composition and Method for Treating Hematologic Cancers”. The application covers the use of Provectus’s pharmaceutical grade rose bengal sodium, RBS, active pharmaceutical ingredient for the single agent or combination therapy treatment of pediatric and adult leukemias. Earlier this year, Provectus announced notices of allowance and award for U.S. patents of RBS in virology, pediatric solid tumor cancers, and vaccines. Dominic Rodrigues, President and Vice Chairman of Provectus’s Board of Directors said, “As we remain focused on advancing intratumoral administered cancer immunotherapy PV-10 towards initial drug approval for metastatic pancreatic cancer, our evidence-based confidence in the potential and possibilities of oral administration of rose bengal sodium for the treatment of disease continues to grow.”