Overview A Study to Evaluate the Safety of Long-term Treatment With Siltuximab in Patients With Multicentric Castleman's Disease Status: Completed Trial end date: 2017-03-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the long-term safety of siltuximab in patients with multicentric Castleman's disease (MCD). Phase: Phase 2 Details Lead Sponsor: Janssen Research & Development, LLCTreatments: Antibodies, MonoclonalSiltuximab