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Eton Pharmaceuticals Expands Infantile Hemangioma Franchise with Acquisition of U.S. Rights to Late-Stage Product Candidate ASN-001

$ETONPress releaseAug 5, 2026, 6:50 AM ETRead the release

Eton Pharmaceuticals licensed the U.S. rights to ASN-001, a late-stage topical treatment for infantile hemangiomas, from Auson Pharmaceuticals to complement its existing HEMANGEOL franchise. Phase II/III trial results showed that 56% of patients treated twice daily achieved elimination or near-elimination of hemangiomas at week 24, compared to 15% for placebo.

Key figures

Drug Name
ASN-001 (timolol topical gel)
Phase Of Trial
Phase II/III
Patent expiry
2044
Trial patients
168
Response rate bid
56%
Response rate tid
42%
Response rate placebo
15%
Target annual patients
20,000 to 30,000
Nda submission timeline
2H 2027
Off label patients annually
>10,000

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