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Jazz Pharmaceuticals Provides Update on Zepzelca® (lurbinectedin) Phase 3 LAGOON Trial in Second-Line Small Cell Lung Cancer

$JAZZPress releaseJun 12, 2026, 8:00 AM ETRead the release

Jazz Pharmaceuticals announced that the Phase 3 LAGOON trial for Zepzelca in second-line small cell lung cancer failed to meet its primary endpoint of overall survival. Zepzelca monotherapy showed a median OS of 8.7 months versus 10.7 months for the control arm (HR 1.19), while the combination with irinotecan showed 10.9 months versus 10.7 months (HR 0.90), neither achieving statistical significance.

Key figures

Drug Name
Zepzelca (lurbinectedin)
Phase Of Trial
Phase 3
Median os combo
10.9 months
Trial enrollment
724
Median os control
10.7 months
Hr combo vs control
0.902
Median os monotherapy
8.7 months
Hr monotherapy vs control
1.190

AI analysis

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    JAZZ: Jazz Pharmaceuticals Provides Update on Zepzelca® (lurbinectedin) Phase 3 LAGOON Trial in Second-Line Small Cell Lung Cancer — AI Analysis | Signal8