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Other Disclosures4882Perseus Proteomics Inc.Pharmaceuticals

PPMX-T003: Notice of Publication of a Paper on Preclinical Research into an Anti-Transferrin Receptor 1 Antibody for Colorectal Cancer Metastasis

Research findings from the joint study with Gunma University on the anti-transferrin receptor 1 antibody PPMX-T003, which is under development, have been published online in an academic journal. In a preclinical study using mice, PPMX-T003 was confirmed to inhibit colorectal cancer growth, prevent liver metastasis, and prevent peritoneal dissemination of gastric cancer and extend survival.

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Announced details

PPMX-T003 (anti-transferrin receptor 1 (TfR1) antibody)
Applicable field (uses covered by this announcement)

Inhibition of colorectal cancer growth and prevention of liver metastasis; prevention and treatment of peritoneal dissemination of gastric cancer

What the company reported numerically
Quantitative Effects

In mouse models, inhibition of colorectal cancer growth, prevention of liver metastasis and peritoneal dissemination of gastric cancer, and a substantial extension of survival in a gastric cancer peritoneal dissemination model were confirmed (specific figures: Not disclosed).

Relationship between the counterparty and the company
Perseus Proteomics Inc.4882
Relationship with the Company

Joint research under the study titled “Investigation of the Therapeutic Effects of Cancer-Specific Antibodies in Solid Cancer Models”

CounterpartyNational University Corporation Gunma University

The authors are affiliated with the Division of Gastrointestinal Surgery, Department of General Surgical Science, Gunma University Graduate School of Medicine; the Division of Gene Therapy, Future Advanced Research Institute, Research Division of Integrative Oncology, Gunma University; and the Division of Hepato-Biliary-Pancreatic Surgery, Department of General Surgical Science, Gunma University Graduate School of Medicine.

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

Signal Transduction and Targeted Therapy (paper title: Clinical-stage human anti-transferrin receptor antibody suppresses colorectal cancer metastasis; DOI: 10.1038/s41392-026-02917-9)

Announced details
ItemDetails
Names of Products / Services CoveredPPMX-T003 (anti-transferrin receptor 1 (TfR1) antibody)
CounterpartyNational University Corporation Gunma University
Counterparty overviewThe authors are affiliated with the Division of Gastrointestinal Surgery, Department of General Surgical Science, Gunma University Graduate School of Medicine; the Division of Gene Therapy, Future Advanced Research Institute, Research Division of Integrative Oncology, Gunma University; and the Division of Hepato-Biliary-Pancreatic Surgery, Department of General Surgical Science, Gunma University Graduate School of Medicine.
Relationship with the CompanyJoint research under the study titled “Investigation of the Therapeutic Effects of Cancer-Specific Antibodies in Solid Cancer Models”
Applicable areaInhibition of colorectal cancer growth and prevention of liver metastasis; prevention and treatment of peritoneal dissemination of gastric cancer
Quantitative EffectsIn mouse models, inhibition of colorectal cancer growth, prevention of liver metastasis and peritoneal dissemination of gastric cancer, and a substantial extension of survival in a gastric cancer peritoneal dissemination model were confirmed (specific figures: Not disclosed).
SourceSignal Transduction and Targeted Therapy (paper title: Clinical-stage human anti-transferrin receptor antibody suppresses colorectal cancer metastasis; DOI: 10.1038/s41392-026-02917-9)
Items this document does not state (11)
Contract ValueOffering priceContract DateLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scaleUsage historyImpact on Business Performance

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 joint research conducted by our company and Gunma University have been published online in the academic journal Signal Transduction and Targeted Therapy. The study reported preclinical findings indicating that PPMX-T003 may inhibit metastasis and peritoneal dissemination of colorectal and gastric cancer.

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PPMX-T003: Notice of Publication of a Paper on Preclinical Research into an Anti-Transferrin Receptor 1 Antibody for Colorectal Cancer Metastasis | Perseus Proteomics Inc. (4882) timely disclosure | Komori