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IDEAYA Biosciences and Servier Provide Complete Data from Phase 2/3 Registrational OptimUM-02 Trial of the Darovasertib Combination in First Line HLA*A2:01 Negative Metastatic Uveal Melanoma in a Late-Breaking Oral Presentation at ASCO

$IDYAPress releaseJun 1, 2026, 11:00 AM ETRead the release

IDEAYA Biosciences presented complete registrational data from the Phase 2/3 OptimUM-02 trial of darovasertib plus crizotinib in metastatic uveal melanoma at ASCO. The combination therapy met the primary endpoint, showing a statistically significant improvement in median progression-free survival of 6.9 months versus 3.1 months for investigator's choice of therapy (HR 0.42). The treatment also demonstrated a robust overall response rate of 37.1% compared to 5.8% in the control arm, with a manageable safety profile including a low 9.2% rate of treatment-related serious adverse events.

Key figures

Drug Name
darovasertib
Phase Of Trial
Phase 2/3
Dcr ict pct
31.1
Orr ict pct
5.8
Total patients
313
Tr sae rate pct
9.2
Hazard ratio pfs
0.42
Dcr darovasertib pct
73.3
Orr darovasertib pct
37.1
Median pfs ict months
3.1
Pfs risk reduction pct
58
Median pfs darovasertib months
6.9
Discontinuation rate crizotinib pct
10
Discontinuation rate darovasertib pct
2.5

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