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Vivos Inc. has developed an Yttrium-90 based injectable brachytherapy device, for the treatment of tumors in animals (IsoPet®) and in humans (RadioGel™). Brachytherapy uses highly localized radiation to destroy cancerous tumors by placing a radioactive isotope directly inside the treatment area using the company’s proprietary hydrogel technology. The injection delivers therapeutic radiation from within the tumor without the entrance skin dose and associated side effects of treatment that characterize external-beam radiation therapy. This feature allows safe delivery of higher doses needed for treating both non-resectable and radiation-resistant cancers.


RadioGel™ is a hydrogel liquid containing tiny yttrium-90 phosphate particles that may be administered directly into a tumor. The hydrogel is an yttrium-90 carrier at room temperature that gels within the tumor interstitial spaces after injection to keep the radiation sources safely in place. The short-range beta radiation from yttrium-90 localizes the dose within the treatment area so that normal organs and tissues are not adversely affected.


RadioGel™ also has a short half-life – delivering more than 90% of its therapeutic radiation within 10 days. This compares favorably to other available treatment options requiring up to six weeks or more to deliver a full course of radiation therapy. Therapy can be safely administered as an out-patient procedure and the patient may return home without subsequent concern for radiation dose to family members.


The IsoPet® Solutions division used university veterinary hospitals to demonstrate the safety and therapeutic effectiveness for different animal cancers. Testing on feline sarcoma at the Washington State University was completed in 2018 and testing on canine soft tissue sarcomas at the University of Missouri was completed in 2019.


In 2018 the Company obtained confirmation from the FDA Center for Veterinary Medicine that IsoPet® is classified as a medical device according to its intended use and means by which it achieves its intended purpose. The FDA also reviewed the product labeling which included canine and feline sarcomas as the initial indications for use. The FDA does not require pre-market approval for veterinary devices so no additional approval is required. Following the demonstration phase, Vivos is able to generate revenue through the sale of IsoPet® to University animal hospitals and private veterinary clinics.


IsoPet® for treating animals uses the same technology as RadioGel™ for treating humans. The Food and Drug Administration advised using different product names in order to avoid confusion and cross-use.

Recent Financial News

IR Contacts

Dr. Mike Korenko | President • CEO

email: mkorenko@radiogel.com

phone: 509.736.4000

Stock Performance

Stock Fundamentals Value
Today's Open 0.1027
Volume 463,223
Day Range 0.0950 - 0.1032
52 Week Range 0.0188 - 0.3100
Bid/Ask 0.0000 / 0.0000
Bid/Ask Size 0 X 0
Previous Close 0.1032
Market Cap 33.49 million
Shares Outstanding 334.94 million
Dividend/Yield 0.0000 / 0.0000%
EPS (TTM) N/A
P/E Ratio (TTM) N/A

Recent XBRL Filings

Filing DateSort Arrow Form Type Description View
Aug 02, 2021 10-Q Quarterly report htmlhtml   xbrlxbrl  
May 10, 2021 10-Q Quarterly report htmlhtml   xbrlxbrl  
Mar 24, 2021 10-K Annual report htmlhtml   xbrlxbrl  
Nov 02, 2020 10-Q Quarterly report htmlhtml   xbrlxbrl  
Aug 13, 2020 10-Q/A Quarterly report (Amendment) htmlhtml   xbrlxbrl  

Management Team

Dr. Mike Korenko, President • CEO

David J. Swanberg, Chief Technical Manager

Dr. Donald A. Ludwig, Director of Special Projects

Dr. Nigel R. Stevenson, Chief Science Officer

Board of Directors

Dr. Carlton Cadwell, Chairman • Director

Dr. Mike Korenko, President • CEO • Director