Interleukin-6 Antagonist
Where is Siltuximab made?
1 company sell it under their own name. Their labels name 2 factories in Switzerland and the United States.
Switzerland 1United States 1
Companies and their factories
| Company on the label | Factory | Where | Last FDA inspection |
|---|---|---|---|
| Recordati Rare Diseases, Inc. Sylvant100 mg, 400 mg · NDC 73090-420, 73090-421 | Cilag AGMakes it | Schaffhausen, Switzerland | No problems foundNov 2025 |
| Janssen Biotech, Inc.Makes the active ingredient | Malvern, PA, United States | Problems found, fixed voluntarilyJul 2025 |