NCT03748641 2026-03-16MAGNITUDEJanssen Research & Development, LLCPhase 3 Active not recruiting765 enrolled 16 charts 1 FDA
NCT02655016 2026-03-10A Study of Niraparib (GSK3985771) Maintenance Treatment in Participants With Advanced Ovarian Cancer Following Response on Front-Line Platinum-Based ChemotherapyTesaro, Inc.Phase 3 Active not recruiting733 enrolled 21 charts 2 FDA
NCT04497844 2026-02-13AMPLITUDEJanssen Research & Development, LLCPhase 3 Active not recruiting696 enrolled 15 charts 1 FDA
NCT06388733 2026-02-03A Study Comparing Niraparib With Temozolomide in Adult Participants With Newly-diagnosed, MGMT Unmethylated GlioblastomaNeuroTrials, LLCPhase 3 Recruiting450 enrolled