Provectus Biopharmaceuticals Announces Publication of Preclinical Data of Oral Administration of Provectus Rose Bengal for Solid Tumor Cancers

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Provectus Biopharmaceuticals announced the publication of preclinical data on the oral administration of Provectus Rose Bengal for solid tumor cancers. The research focused on breast, colorectal, head and neck, and testicular cancers, highlighting novel downregulation of WNK1 and Wnt signaling. The University of Calgary conducted the preclinical research, demonstrating the efficacy of Provectus's rose bengal in adult solid tumors. The findings suggest potential broader applications for treating solid tumor cancers.

Positive

• Publication of preclinical data on oral administration of Provectus Rose Bengal for solid tumor cancers
• Research on breast, colorectal, head and neck, and testicular cancers
• Identification of unique anti-oncogenic mechanisms involving protein kinase signaling and autophagy
• University of Calgary's research supporting the efficacy of Provectus's rose bengal in adult solid tumors
• Downregulation of WNK1 and Wnt signaling by Provectus's rose bengal
• Potential broader applications for treating solid tumor cancers

Negative

• None.

• Research on breast, colorectal, head and neck, and testicular cancers
• Novel downregulation of WNK1 and Wnt signaling

KNOXVILLE, TN, April 18, 2024 (GLOBE NEWSWIRE) -- Provectus Biopharmaceuticals, Inc. (“Provectus” or the “Company”) (OTCQB: PVCT) today announced that data from preclinical research by the University of Calgary on oral administration of Provectus’s pharmaceutical-grade rose bengal for the treatments of solid tumor cancers were published in the open access journal of oncology Cancers.

Titled Identification and In Vivo Validation of Unique Anti-Oncogenic Mechanisms Involving Protein Kinase Signaling and Autophagy Mediated by the Investigational Agent PV-10, a copy of the University of Calgary’s journal article is available here: https://www.mdpi.com/2072-6694/16/8/1520.

This work has been part of research conducted by Aru Narendran, M.D., Ph.D., professor in the departments of Pediatrics, Oncology, and Biochemistry & Molecular Biology, and members of the Narendran Lab at the University of Calgary’s Cumming School of Medicine in Calgary, Alberta, Canada.

The Narendran Lab provided preclinical proof-of-concept data supporting the efficacy of Provectus’s rose bengal in a panel of adult solid tumors. The Lab identified that the Company’s rose bengal downregulated WNK1 and Wnt signaling. In mice, the Narendran Lab also confirmed the clinical utility of Provectus’s rose bengal by intratumoral (aka intralesional) administration and demonstrated potential utility by oral administration.

Dominic Rodrigues, the Company’s President and Vice Chairman of its Board of Directors stated, “Provectus is focused on initiating an FDA-cleared, lead clinical development program for intratumoral cancer immunotherapy PV-10 to treat hepatic metastatic pancreatic cancer, and pursuing a path to an initial drug approval for PV-10. The Company previously demonstrated its systemic response and systemic immune signaling and activation in clinical settings for metastatic liver cancers.”

Mr. Rodrigues added, “Building on PV-10’s clinical safety, efficacy, and immunotherapeutic profile, the Narendran Lab’s preclinical data suggest that Provectus’s pharmaceutical-grade rose bengal delivered by oral administration may have the potential to treat a larger pool of solid tumor cancers.”

About Provectus

Provectus Biopharmaceuticals, Inc. is a clinical-stage biotechnology company developing immunotherapy medicines for different diseases that are based on a class of synthetic small molecule immuno-catalysts called halogenated xanthenes. Provectus’s lead HX molecule is named rose bengal sodium.

Provectus’s medical science platform includes clinical development programs in oncology, dermatology, and ophthalmology; proof-of-concept in vivo development programs in oncology, hematology, full-thickness cutaneous wound healing, and canine cancers; and in vitro discovery programs in infectious diseases, tissue regeneration and repair, and proprietary targets.

Information about the Company’s clinical trials can be found at the National Institutes of Health (NIH) registry, ClinicalTrials.gov. For additional information about Provectus, please visit the Company’s website at www.provectusbio.com.

FORWARD-LOOKING STATEMENTS: The information provided in this press release may include forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995, relating to the business of Provectus and its affiliates, which are based on currently available information and current assumptions, expectations, and projections about future events and are subject to a variety of risks and uncertainties and other factors that could cause actual events or results to differ materially from those projected in the forward-looking statements. Such statements are made in reliance on the safe harbor provisions of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements are often, but not always, identified by the use of words such as “aim,” “likely,” “outlook,” “seek,” “anticipate,” “budget,” “plan,” “continue,” “estimate,” “expect,” “forecast,” “may,” “will,” “would,” “project,” “projection,” “predict,” “potential,” “targeting,” “intend,” “can,” “could,” “might,” “should,” “believe,” and similar words suggesting future outcomes or statements regarding an outlook.

The safety and efficacy of Provectus’s drug agents and/or their uses under investigation have not been established. There is no guarantee that the agents will receive health authority approval or become commercially available in any country for the uses being investigated or that such agents as products will achieve any revenue levels.

Due to the risks, uncertainties, and assumptions inherent in forward-looking statements, readers should not place undue reliance on these forward-looking statements. The forward-looking statements contained in this press release are made as of the date hereof or as of the date specifically specified herein, and the Company undertakes no obligation to update or revise any forward-looking statements, whether because of new information, future events, or otherwise, except in accordance with applicable securities laws. The forward-looking statements are expressly qualified by this cautionary statement.

Risks, uncertainties, and assumptions include those discussed in the Company’s filings with the Securities and Exchange Commission, including those described in Item 1A of:

• The Company’s Annual Report on Form 10-K for the period ended December 31, 2023.
  

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Contact:

Provectus Biopharmaceuticals, Inc.
Heather Raines, CPA
Chief Financial Officer
Phone: (866) 594-5999

FAQ

What type of cancers were the focus of the research on Provectus Rose Bengal?

The research focused on breast, colorectal, head and neck, and testicular cancers.

Who conducted the preclinical research on Provectus Rose Bengal?

The University of Calgary conducted the preclinical research.

What unique mechanisms were identified in the research involving Provectus Rose Bengal?

Novel downregulation of WNK1 and Wnt signaling was identified.

Where can the journal article on the research be found?

The journal article can be found at https://www.mdpi.com/2072-6694/16/8/1520.

What was the potential utility of Provectus Rose Bengal shown in mice?

In mice, the potential utility of Provectus's rose bengal was shown by intratumoral and oral administration.

Who is the President and Vice Chairman of Provectus Biopharmaceuticals?

Dominic Rodrigues is the President and Vice Chairman of the Company's Board of Directors.