Treats multicentric Castleman's disease (MCD). Sold as Sylvant. Every FDA application for this active ingredient.
As of Nov 15, 2026, FDA lists 1 application for Siltuximab (sold as Sylvant), first approved Apr 23, 2014, with 0 new uses approved and 0 published complete response letters.
| Sylvant | Part B | $13.6M | +8% | 91 |
| Sylvant | Part D | $229K | New | 0 |
| A Clinical Trial of Gocatamig (MK-6070) With Durvalumab in Participants With Small Cell Lung Cancer (MK-6070-004)Small Cell Lung Cancer · Merck Sharp & Dohme LLC | Phase 3 | Not yet recruiting | Nov 2, 2026 |
| A Clinical Trial of MK-6255 to Treat Endometrial and Ovarian Cancer (MK-6255-001)Ovarian Neoplasms, Endometrial Neoplasms · Merck Sharp & Dohme LLC | Phase 1 | Not yet recruiting | Oct 13, 2026 |
| A Clinical Trial of MK-1045 in People With B-cell Cancer (MK-1045-006)Chronic Lymphocytic Leukaemia, Small Lymphocytic Lymphoma · Merck Sharp & Dohme LLC | Phase 2 | Recruiting | Jul 16, 2026 |
| A Clinical Trial of MK-1045 in People With B-cell Acute Lymphoblastic Leukemia (MK-1045-005)B-cell Acute Lymphoblastic Leukemia · Merck Sharp & Dohme LLC | Phase 2 / Phase 3 | Recruiting | May 6, 2026 |
| A Phase II Study of Siltuximab for CRS/ICANs After CAR-T in Multiple MyelomaCRS - Cytokine Release Syndrome, Myeloma · Institute of Hematology & Blood Diseases Hospital, China | Phase 2 | Recruiting | Aug 6, 2025 |
| A Phase 1 Clinical Trial of Siltuximab for the Treatment of Antibody-Mediated Rejection After Lung TransplantationAntibody Mediated Rejection of Lung Transplant · Washington University School of Medicine | Phase 1 | Recruiting | May 25, 2025 |
| A Study of Melphalan With or Without Siltuximab in People With Multiple Myeloma Having an Autologous Stem Cell TransplantMultiple Myeloma · Memorial Sloan Kettering Cancer Center | Phase 2 | Recruiting | Nov 8, 2024 |
| Siltuximab for the Prevention of Severe Immune-Related Adverse Events During Immune Checkpoint Inhibitor Rechallenge in Patients With Advanced Cancer, CIRES TrialAdvanced Malignant Solid Neoplasm, Hematopoietic and Lymphatic System Neoplasm · Yuanquan Yang | Phase 2 | Recruiting | Jun 24, 2024 |
| Approved | Application | Sponsor | Supplements | Marketing |
|---|---|---|---|---|
| Apr 23, 2014 | SylvantBLA 125496 · New molecular entity | Recordati Rare Diseases, Inc. | 3 | Marketed |
Applications, approvals and products come from FDA's Drugs@FDA data files, refreshed weekly, grouped by active ingredient as FDA spells it. Complete response letters are FDA's published letters. Medicare spending is CMS's Part D and Part B dashboard, matched to this ingredient by generic name; shortages are FDA's shortage list, matched by application number; clinical trials are ClinicalTrials.gov studies naming the ingredient as an intervention, refreshed daily; safety programs are FDA's REMS list, matched by application number or, for shared programs, by ingredient. Drugs@FDA