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Other Disclosures4591RIBOMIC Inc.Pharmaceuticals

Notice Regarding a Presentation on the Results of the Phase II Clinical Trial of umedaptanib pegol for the Treatment of Achondroplasia at Fusion Conference 2026

The Company announced that it will present the results of the Phase II clinical trial of umedaptanib pegol, including improvements in annualized height velocity and safety, at an international conference. The presentation is scheduled for 9 May 2026.

Worth reading
61In 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
1.43
cm/year (difference in mean annualized height velocity before and after dosing)
Wording
Conditional
How definitive the wording is.

Announced details

umedaptanib pegol
Applicable field (uses covered by this announcement)

Achondroplasia treatment, the FGF-FGFR growth factor axis, genetic diseases and regenerative medicine

Launch date9 May 2026 (scheduled presentation date)
What the company reported numerically
Quantitative Effects

Difference in mean annualized height velocity: +1.43 cm/year; proportion with increased AHV: 72.7% (8 of 11 cases); comparative response rate versus Voxzogo: 72.7% vs. 50%; AHV improved in 2 of 3 patients with prior Voxzogo treatment

Usage history

11 cases included in the Phase II clinical trial analysis, excluding 1 case with fewer than 50% of the specified number of doses administered

Relationship between the counterparty and the company
RIBOMIC Inc.4591
Relationship with the Company

The Company's Representative Director and President has been invited to give a presentation.

CounterpartyFusion Conference 2026

A biennial international research meeting held in St Julian's, Malta, covering embryology, genetic diseases, tissue homeostasis, tissue regeneration and related fields. It provides a forum for researchers from academia and industry, clinicians and other experts to exchange views and engage in discussion.

Location (as indicated in this announcement)

St Julian's, Malta (venue for Fusion Conference 2026)

Impact on Business Performance

No impact on full-year results for the fiscal year ending March 2027

The company does not address Contract Value / Offering price.

Source (materials cited by the company)

Savarirayan R, Tofts L, Irving M, et al., Lancet 2020; 396: 684–92 (comparative values for Voxzogo)

Announced details
ItemDetails
Names of Products / Services Coveredumedaptanib pegol
CounterpartyFusion Conference 2026
Counterparty overviewA biennial international research meeting held in St Julian's, Malta, covering embryology, genetic diseases, tissue homeostasis, tissue regeneration and related fields. It provides a forum for researchers from academia and industry, clinicians and other experts to exchange views and engage in discussion.
Relationship with the CompanyThe Company's Representative Director and President has been invited to give a presentation.
Launch date9 May 2026 (scheduled presentation date)
Applicable areaAchondroplasia treatment, the FGF-FGFR growth factor axis, genetic diseases and regenerative medicine
LocationSt Julian's, Malta (venue for Fusion Conference 2026)
Quantitative EffectsDifference in mean annualized height velocity: +1.43 cm/year; proportion with increased AHV: 72.7% (8 of 11 cases); comparative response rate versus Voxzogo: 72.7% vs. 50%; AHV improved in 2 of 3 patients with prior Voxzogo treatment
Usage history11 cases included in the Phase II clinical trial analysis, excluding 1 case with fewer than 50% of the specified number of doses administered
Impact on Business PerformanceNo impact on full-year results for the fiscal year ending March 2027
SourceSavarirayan R, Tofts L, Irving M, et al., Lancet 2020; 396: 684–92 (comparative values for Voxzogo)
Items this document does not state (7)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation 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.

To present at Fusion Conference 2026 and facilitate in-depth expert discussion on the research's significance and future potential in the treatment of achondroplasia.

How to read this page

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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding a Presentation on the Results of the Phase II Clinical Trial of umedaptanib pegol for the Treatment of Achondroplasia at Fusion Conference 2026 | RIBOMIC Inc. (4591) timely disclosure | Komori