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

Key Inclusion Criteria:

1. Histologically diagnosed high-grade serous or endometrioid ovarian cancer (includingprimary peritoneal and fallopian tube cancer)

2. Completion of ≥2 previous platinum-containing regimens (eg, carboplatin orcisplatin)

3. Complete response (CR) or partial response (PR) achieved with last platinum-basedchemotherapy regimen as determined by investigator per Response Evaluation Criteriain 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.