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Other Disclosures4888STELLA PHARMA CORPORATIONPharmaceuticals

Progress in R&D toward expanding BNCT indications to deep-seated cancers through collaboration with Fujita Health University

The Company disclosed its participation in an exploratory study being conducted with Fujita Health University and others to collect data from 50 cases using 18F-FBPA PET, targeting pancreatic cancer, hepatocellular carcinoma and biliary tract cancer, among other deep-seated cancers. Following a memorandum of understanding signed in December 2024 and related agreements signed in January 2026, the research and development activities have moved into the implementation stage.

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Announced details

Steboronin®18F-FBPA PETBNCT
Applicable field (uses covered by this announcement)
Pancreatic cancerHepatocellular carcinomaBiliary tract cancerDeep-seated cancers
Contract DateDecember 2024 (memorandum of understanding among the Company, Fujita Health University, Atransen Pharma株式会社, SUMITOMO HEAVY INDUSTRIES,LTD. and 株式会社フジタ) / January 2026 (agreement between SUMITOMO HEAVY INDUSTRIES,LTD. and Fujita Health University for the introduction of a BNCT treatment system and BNCT dose calculation program)
What the company reported numerically
Usage history

50 cases scheduled for data collection and included in the study

Relationship between the counterparty and the company
STELLA PHARMA CORPORATION4888
Relationship with the Company

The Company has entered into a memorandum of understanding with Fujita Health University, Atransen Pharma株式会社, SUMITOMO HEAVY INDUSTRIES,LTD. and 株式会社フジタ concerning the promotion of BNCT research and development targeting deep-seated tumors, and is participating in the research and development project.

CounterpartyFujita Health UniversityAtransen Pharma株式会社SUMITOMO HEAVY INDUSTRIES,LTD.株式会社フジタ

Fujita Health University has a track record in clinical research. SUMITOMO HEAVY INDUSTRIES,LTD. has technology for developing BNCT systems. The location, representative, capital, year of establishment and business description of Atransen Pharma株式会社 and 株式会社フジタ are Not disclosed.

Impact on Business Performance

The initiative is positioned as contributing to the future expansion of BNCT indications and business opportunities, but the specific impact on results for the current fiscal year is Not disclosed.

The company does not address Contract Value / Offering price.

Announced details
ItemDetails
Names of Products / Services CoveredSteboronin®, 18F-FBPA PET, BNCT
CounterpartyFujita Health University, Atransen Pharma株式会社, SUMITOMO HEAVY INDUSTRIES,LTD., 株式会社フジタ
Counterparty overviewFujita Health University has a track record in clinical research. SUMITOMO HEAVY INDUSTRIES,LTD. has technology for developing BNCT systems. The location, representative, capital, year of establishment and business description of Atransen Pharma株式会社 and 株式会社フジタ are Not disclosed.
Relationship with the CompanyThe Company has entered into a memorandum of understanding with Fujita Health University, Atransen Pharma株式会社, SUMITOMO HEAVY INDUSTRIES,LTD. and 株式会社フジタ concerning the promotion of BNCT research and development targeting deep-seated tumors, and is participating in the research and development project.
Contract DateDecember 2024 (memorandum of understanding among the Company, Fujita Health University, Atransen Pharma株式会社, SUMITOMO HEAVY INDUSTRIES,LTD. and 株式会社フジタ) / January 2026 (agreement between SUMITOMO HEAVY INDUSTRIES,LTD. and Fujita Health University for the introduction of a BNCT treatment system and BNCT dose calculation program)
Applicable areaPancreatic cancer, Hepatocellular carcinoma, Biliary tract cancer, Deep-seated cancers
Usage history50 cases scheduled for data collection and included in the study
Impact on Business PerformanceThe initiative is positioned as contributing to the future expansion of BNCT indications and business opportunities, but the specific impact on results for the current fiscal year is Not disclosed.
Items this document does not state (10)
Contract ValueOffering priceLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scaleQuantitative EffectsSource

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.

Deep-seated cancers present technical challenges, including neutron penetration depth and effects on normal tissue. The study will assess the tumor accumulation of boron drugs in deep-seated cancers and obtain foundational data for the future expansion of BNCT indications.

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Progress in R&D toward expanding BNCT indications to deep-seated cancers through collaboration with Fujita Health University | STELLA PHARMA CORPORATION (4888) timely disclosure | Komori