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Other Disclosures4591RIBOMIC Inc.Pharmaceuticals

Notice Regarding Changes to the Dosage and Administration Regimen (1 mg/kg Once Weekly) and Safety in a Domestic Phase II Long-Term Clinical Trial

In a domestic Phase II long-term dosing study, the administration method was changed to subcutaneous administration of 1 mg/kg once weekly for subjects who had received treatment for more than 1 year. In the first subject whose regimen was changed, no new safety concerns had been identified through 3 months after the change.

Worth reading
45Recurring
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
mg/kg once weekly
Wording
Conditional
How definitive the wording is.

Announced details

umedaptanib pegol (RBM-007, anti-FGF2 aptamer)
Applicable field (uses covered by this announcement)

Treatment and clinical trials for pediatric patients with achondroplasia (ACH) aged 5–14 years

What the company reported numerically
Quantitative Effects

After changing to subcutaneous administration of 1 mg/kg once weekly, no new safety concerns through 3 months in the first subject

Usage history

Of the 12 patients who completed the domestic Phase II clinical trial, 11 participated in the long-term dosing study, 7 remain on treatment, and 3 transitioned to 1 mg/kg once-weekly dosing (all as of the current date)

Award/certification name

Orphan drug designation

Awarding / certifying body

Ministry of Health, Labour and Welfare

Impact on Business Performance

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

The company does not address Contract Value / Offering price.

Announced details
ItemDetails
Names of Products / Services Coveredumedaptanib pegol (RBM-007, anti-FGF2 aptamer)
Applicable areaTreatment and clinical trials for pediatric patients with achondroplasia (ACH) aged 5–14 years
Award/certification nameOrphan drug designation
Awarding / certifying bodyMinistry of Health, Labour and Welfare
Quantitative EffectsAfter changing to subcutaneous administration of 1 mg/kg once weekly, no new safety concerns through 3 months in the first subject
Usage historyOf the 12 patients who completed the domestic Phase II clinical trial, 11 participated in the long-term dosing study, 7 remain on treatment, and 3 transitioned to 1 mg/kg once-weekly dosing (all as of the current date)
Impact on Business PerformanceNo impact on full-year earnings for the fiscal year ending March 2027
Items this document does not state (11)
CounterpartyCounterparty overviewRelationship with the CompanyContract ValueOffering priceContract DateLaunch dateRegistration number and expiry dateLocationLocation scaleSource

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 evaluate long-term safety using the same dosage and administration as the domestic Phase III clinical trial (WAKABA trial), and to supplement the safety information from the WAKABA trial in advance.

How to read this page

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Notice Regarding Changes to the Dosage and Administration Regimen (1 mg/kg Once Weekly) and Safety in a Domestic Phase II Long-Term Clinical Trial | RIBOMIC Inc. (4591) timely disclosure | Komori