A Study to Evaluate Crovalimab in People With Antiphospholipid Syndrome (APS)

Crovalimab will be administered at a dose of 680 mg (for participants with BW ≥ 40 kilograms \[kg\] to \< 100 kg) or 1020 mg (for participants with BW ≥ 100 kg), as a SC injection, at Weeks 1, 2, and 3 and Q4W from Week 5 onwards.

Placebo matching crovalimab will be administered as per the schedule specified in the respective arm.

Dose administration of VKA will be in accordance with the local prescribing information for the respective product. The VKA regimen will be titrated to a therapeutic target INR based on investigator discretion and local standard of care (SOC).