Maintenance Treatment With BGB-290 Versus Placebo in Participants With Platinum-sensitive Recurrent Ovarian Cancer

A Phase 3 Randomized, Double-blind, Placebo-controlled, Multicenter Trial of Maintenance Treatment With BGB-290 Versus Placebo in Patients With Platinum-sensitive Recurrent Ovarian Cancer

To evaluate the efficacy, safety and tolerability of maintenance therapy with BGB-290(Pamiparib) versus placebo in Chinese participants with recurrent ovarian cancer who achieved a complete response (CR) or partial response (PR) after platinum-based chemotherapy

Key Inclusion Criteria:

1. Histologically diagnosed high-grade serous or endometrioid ovarian cancer (including primary peritoneal and fallopian tube cancer)
2. Completion of ≥2 previous platinum-containing regimens (eg, carboplatin or cisplatin)
3. Complete response (CR) or partial response (PR) achieved with last platinum-based chemotherapy regimen as determined by investigator per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1
4. Ability to be randomized ≤8 weeks after last dose of platinum

Key Exclusion Criteria:

1. Prior treatment with a poly (ADP-ribose) polymerase (PARP) inhibitor
2. Progressive disease (PD) as per CA-125 criteria before randomization
3. Diagnosis of myelodysplastic syndrome (MDS)
4. Known history of intolerance to the excipients of the Pamiparib capsule

NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.