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Other Disclosures4588Oncolys BioPharma Inc.Pharmaceuticals

Notice Regarding Publication of a Paper on the Oncolytic Virus OBP-301

Results from a Phase 1 trial of the company's proprietary oncolytic virus OBP-301 in combination with chemoradiotherapy for esophageal cancer have been published in an international medical journal. The company plans to determine its future development strategy in esophageal cancer through discussions with specialists in Japan.

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Announced details

OBP-301Telomelysin (development code: OBP-301)
Applicable field (uses covered by this announcement)

Combination treatment with chemoradiotherapy for esophageal cancer, particularly in patients with esophageal cancer who are unable to undergo surgery

Launch dateJune 2020 (trial start; actual)
What the company reported numerically
Quantitative Effects

Clinical complete response rate: 100% among 13 patients evaluable for efficacy and 87% among all 15 enrolled patients. One-year overall survival rate: 60%; progression-free survival rate: 53%. Severe adverse events: neutropenia, 40%; lymphopenia, 33%.

Usage history

15 patients enrolled in NRG-GI007, 14 received OBP-301, and 13 were evaluable for efficacy

Relationship between the counterparty and the company
Oncolys BioPharma Inc.4588
Relationship with the Company

The organization responsible for conducting the NRG-GI007 clinical trial using the company's proprietary OBP-301. Capital and personnel relationships: not disclosed.

CounterpartyNRG Oncology

A clinical trial group supported by the U.S. National Cancer Institute. It is described as one of the world's largest and most prestigious clinical trial groups.

Impact on Business Performance

No impact on the financial results for the fiscal year ending December 2026

The company does not address Contract Value / Offering price.

Source (materials cited by the company)

Paper published in the International Journal of Radiation Oncology・Biology・Physics; NRG-GI007

Announced details
ItemDetails
Names of Products / Services CoveredOBP-301, Telomelysin (development code: OBP-301)
CounterpartyNRG Oncology
Counterparty overviewA clinical trial group supported by the U.S. National Cancer Institute. It is described as one of the world's largest and most prestigious clinical trial groups.
Relationship with the CompanyThe organization responsible for conducting the NRG-GI007 clinical trial using the company's proprietary OBP-301. Capital and personnel relationships: not disclosed.
Launch dateJune 2020 (trial start; actual)
Applicable areaCombination treatment with chemoradiotherapy for esophageal cancer, particularly in patients with esophageal cancer who are unable to undergo surgery
Quantitative EffectsClinical complete response rate: 100% among 13 patients evaluable for efficacy and 87% among all 15 enrolled patients. One-year overall survival rate: 60%; progression-free survival rate: 53%. Severe adverse events: neutropenia, 40%; lymphopenia, 33%.
Usage history15 patients enrolled in NRG-GI007, 14 received OBP-301, and 13 were evaluable for efficacy
Impact on Business PerformanceNo impact on the financial results for the fiscal year ending December 2026
SourcePaper published in the International Journal of Radiation Oncology・Biology・Physics; NRG-GI007
Items this document does not state (8)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scale

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

The results of the NRG-GI007 trial were published in an international medical journal. The company states that its future development strategy will be determined through discussions with specialists in Japan, taking the trial results into account.

How to read this page

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Notice Regarding Publication of a Paper on the Oncolytic Virus OBP-301 | Oncolys BioPharma Inc. (4588) timely disclosure | Komori