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Other Disclosures4521KAKEN PHARMACEUTICAL CO.,LTD.Pharmaceuticals

Results of the Domestic Phase III Trial of "KAR" — Presented at the 125th Annual Meeting of the Japanese Dermatological Association

Results of the domestic Phase III trial of “KAR,” a treatment for head lice for which a marketing authorization application is pending, were presented at an academic meeting. The treatment success rate among index subjects was 85.2% in the KAR group and 7.4% in the vehicle group, confirming a statistically significant difference.

Worth reading
64In 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
77.8
Between-group difference in treatment success rate (percentage points)
Wording
Conditional
How definitive the wording is.

Announced details

KAR (generic name: ivermectin)
Applicable field (uses covered by this announcement)

Treatment of head lice in patients for whom existing treatments are insufficiently effective

What the company reported numerically
Quantitative Effects

Treatment success rate among index subjects: 85.2% in the KAR group (23/27 subjects) and 7.4% in the vehicle group (2/27 subjects), a between-group difference of 77.8 (95% confidence interval: 55.63, 89.66; P<0.001). Among all subjects, the treatment success rate was 87.5% in the KAR group (49/56 subjects) and 9.8% in the vehicle group (6/61 subjects), a between-group difference of 77.7 (95% confidence interval: 63.60, 86.74; P<0.001)

Relationship between the counterparty and the company
KAKEN PHARMACEUTICAL CO.,LTD.4521
Relationship with the Company

Kaken Pharmaceutical presented the results of the domestic Phase III trial of KAR, for which it has filed a marketing authorization application. Equity and personnel relationships: Not disclosed.

Counterparty125th Annual Meeting of the Japanese Dermatological Association (Japanese Dermatological Association)

An academic meeting held in Kyoto from 11 to 14 June 2026. Other details: Not disclosed.

Location (as indicated in this announcement)

Kaken Pharmaceutical headquarters: Bunkyo-ku, Tokyo

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

Results of the domestic Phase III trial presented at the 125th Annual Meeting of the Japanese Dermatological Association

Announced details
ItemDetails
Names of Products / Services CoveredKAR (generic name: ivermectin)
Counterparty125th Annual Meeting of the Japanese Dermatological Association (Japanese Dermatological Association)
Counterparty overviewAn academic meeting held in Kyoto from 11 to 14 June 2026. Other details: Not disclosed.
Relationship with the CompanyKaken Pharmaceutical presented the results of the domestic Phase III trial of KAR, for which it has filed a marketing authorization application. Equity and personnel relationships: Not disclosed.
Applicable areaTreatment of head lice in patients for whom existing treatments are insufficiently effective
LocationKaken Pharmaceutical headquarters: Bunkyo-ku, Tokyo
Quantitative EffectsTreatment success rate among index subjects: 85.2% in the KAR group (23/27 subjects) and 7.4% in the vehicle group (2/27 subjects), a between-group difference of 77.8 (95% confidence interval: 55.63, 89.66; P<0.001). Among all subjects, the treatment success rate was 87.5% in the KAR group (49/56 subjects) and 9.8% in the vehicle group (6/61 subjects), a between-group difference of 77.7 (95% confidence interval: 63.60, 86.74; P<0.001)
SourceResults of the domestic Phase III trial presented at the 125th Annual Meeting of the Japanese Dermatological Association
Items this document does not state (10)
Contract ValueOffering priceContract DateLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleUsage historyImpact on Business Performance

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 confirm the efficacy of the product in treating head lice where existing treatments have been insufficiently effective. In recent years, head lice showing resistance to existing treatment products have increased, particularly in Okinawa Prefecture, creating a treatment challenge.

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Results of the Domestic Phase III Trial of "KAR" — Presented at the 125th Annual Meeting of the Japanese Dermatological Association | KAKEN PHARMACEUTICAL CO.,LTD. (4521) timely disclosure | Komori