Komori
Occurring Fact4591RIBOMIC Inc.Pharmaceuticals

Achondroplasia Treatment (umedaptanib pegol), Japan-Based Phase III Clinical Trial: Notice of Obtaining Informed Consent from More Trial Participants Than the Target Enrollment

In the domestic Phase III clinical trial (WAKABA trial), informed consent to participate in the clinical trial was obtained from more than the target enrollment of 16 patients. The actual number enrolled will be determined after eligibility is confirmed and any required washout period is completed.

Worth reading
43Recurring
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
16
patients (target enrollment)
Wording
Conditional
How definitive the wording is.

Obtaining Informed Consent from More Patients Than the Target Enrollment

Subject Entity

RIBOMIC Inc.

Target Locations / Products

umedaptanib pegol (RBM-007), a domestic Phase III clinical trial for achondroplasia (WAKABA trial)

Occurrence22 October 2026 (the date the company announced this matter; the date on which consent exceeding the target was obtained is Not disclosed)
Same day
Awareness or receipt of notice22 October 2026 (date of announcement)
This disclosure10/22/2026
Cause

Strong expectations for our ACH drug candidate amid ongoing development of multiple treatments for ACH (the company's view)

Amount of Impact on Business Performance

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

Accounting period in which recognized

Full year ending March 2027 (no impact on results from this matter)

Impact on Earnings Forecast

This matter will have no impact on full-year results for the fiscal year ending March 2027.

Outlook

For patients who have provided consent, eligibility under the inclusion criteria and other requirements will be confirmed. Patients receiving existing drug therapy will proceed to enrollment in the trial after completing the prescribed washout period. We will steadily advance subject enrollment and focus on conducting the WAKABA trial.

Event that occurred
ItemDetails
Event nameObtaining Informed Consent from More Patients Than the Target Enrollment
Date of occurrence22 October 2026 (the date the company announced this matter; the date on which consent exceeding the target was obtained is Not disclosed)
Date recognized / date notice received22 October 2026 (date of announcement)
Subject EntityRIBOMIC Inc.
Target Locations / Productsumedaptanib pegol (RBM-007), a domestic Phase III clinical trial for achondroplasia (WAKABA trial)
CauseStrong expectations for our ACH drug candidate amid ongoing development of multiple treatments for ACH (the company's view)
Amount of Impact on Business PerformanceNo impact (full-year results for the fiscal year ending March 2027)
Accounting period in which recognizedFull year ending March 2027 (no impact on results from this matter)
Impact on Earnings ForecastThis matter will have no impact on full-year results for the fiscal year ending March 2027.
OutlookFor patients who have provided consent, eligibility under the inclusion criteria and other requirements will be confirmed. Patients receiving existing drug therapy will proceed to enrollment in the trial after completing the prescribed washout period. We will steadily advance subject enrollment and focus on conducting the WAKABA trial.
Items this document does not state (15)
Type of litigation or proceedingCourt or authorityPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionSuspended operationsScheduled resumption dateInvestigation structureMeasures to prevent recurrenceDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the changePlanned follow-up disclosure

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.

Amid ongoing development of multiple treatments for ACH, we view the ability to obtain consent from more patients than the target enrollment within a short period as demonstrating strong expectations for our ACH drug candidate.

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.
Achondroplasia Treatment (umedaptanib pegol), Japan-Based Phase III Clinical Trial: Notice of Obtaining Informed Consent from More Trial Participants Than the Target Enrollment | RIBOMIC Inc. (4591) timely disclosure | Komori