Stocks in play: Oncolytics Biotech Inc.

Announced preclinical data demonstrating the synergistic immunotherapeutic effects of pelareorep combined with radiotherapy in a murine cancer model. The data were featured in a poster presentation at The International Conference on Immunotherapy Radiotherapy Combinations , which took place in Paris, France from September 14 – 17, 2021. Preclinical studies presented in the poster evaluated various treatment combinations of pelareorep, ionizing radiation (radiotherapy), and anti-PD-1 therapy in mice with two bilateral tumors, each located subcutaneously (under the skin) on a different side of the body. Radiotherapy and/or pelareorep treatment was delivered locally to one tumor (denoted the primary tumor), while the second tumor (denoted the abscopal tumor) was not directly exposed to either therapy. Anti-PD-1 therapy was delivered systemically. Results showed that in primary tumors, pelareorep monotherapy led to a numerical increase in the number of infiltrating anti-cancer CD8+ T cells, which reached statistical significance when combined with radiotherapy (a 15-fold increase compared to control). In abscopal tumors, both pelareorep monotherapy and pelareorep-radiation combination therapy led to a statistically significant increase in infiltrating anti-cancer CD8+ T cells. This effect was not seen with single-agent radiotherapy in either the primary or the abscopal tumors. Oncolytics Biotech Inc. shares T.ONC are trading unchanged at $2.68.

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