Komori
Other Disclosures4880CellSource Co.,Ltd.Pharmaceuticals

Update to the Contract Processing Service for Adipose-Derived Mesenchymal Stem Cells (ASC)

The existing adipose-derived mesenchymal stem cell (ASC) contract processing service will be expanded to include serum-free, xeno-free culture and a cryopreservation medium that allows administration after thawing without washing or replacing the medium. The updated service will be rolled out sequentially by some partner medical institutions.

Worth reading
62In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
11400
Cumulative cases (as of the end of July 2026)
Wording
Conditional
How definitive the wording is.

Announced details

Adipose-derived mesenchymal stem cell (ASC) contract processing service
Applicable field (uses covered by this announcement)

Regenerative medicine; research and clinical applications for a wide range of diseases

Launch dateNovember 2026 (scheduled; sequential rollout by some partner medical institutions)
What the company reported numerically
Usage history

Cumulative 11,400 ASC contract processing cases (as of the end of July 2026). More than 130,000 cumulative cell and other processing cases

Relationship between the counterparty and the company
CellSource Co.,Ltd.4880
Relationship with the Company

To be rolled out sequentially by partner medical institutions. Detailed relationship: Not disclosed

Award/certification name

Certificate of Eligibility for Materials for Regenerative Medicine Products

Awarding / certifying body

Pharmaceuticals and Medical Devices Agency (PMDA)

Registration number and expiry date

Facility No.: FA3240004 (licensed facility for manufacturing specified cell-processed products and other materials)

Location (as indicated in this announcement)

Shibuya Cast 11F, 1-23-21 Shibuya, Shibuya-ku, Tokyo

Impact on Business Performance

The impact on the company’s results is expected to be minor.

The company does not address Contract Value / Offering price.

Announced details
ItemDetails
Names of Products / Services CoveredAdipose-derived mesenchymal stem cell (ASC) contract processing service
Relationship with the CompanyTo be rolled out sequentially by partner medical institutions. Detailed relationship: Not disclosed
Launch dateNovember 2026 (scheduled; sequential rollout by some partner medical institutions)
Applicable areaRegenerative medicine; research and clinical applications for a wide range of diseases
Award/certification nameCertificate of Eligibility for Materials for Regenerative Medicine Products
Awarding / certifying bodyPharmaceuticals and Medical Devices Agency (PMDA)
Registration number and expiry dateFacility No.: FA3240004 (licensed facility for manufacturing specified cell-processed products and other materials)
LocationShibuya Cast 11F, 1-23-21 Shibuya, Shibuya-ku, Tokyo
Usage historyCumulative 11,400 ASC contract processing cases (as of the end of July 2026). More than 130,000 cumulative cell and other processing cases
Impact on Business PerformanceThe impact on the company’s results is expected to be minor.
Items this document does not state (8)
CounterpartyCounterparty overviewContract ValueOffering priceContract DateLocation 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.

To reduce risks arising from materials of animal origin and lot-to-lot variation in raw materials, enhance and stabilize quality control, and eliminate the post-thaw washing and replacement steps, thereby reducing the workload at medical facilities and the risks of cell loss and contamination.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Update to the Contract Processing Service for Adipose-Derived Mesenchymal Stem Cells (ASC) | CellSource Co.,Ltd. (4880) timely disclosure | Komori