Who are Belimumab Injection's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Belimumab plus Early Vaccination, Belimumab Injection [Benlysta], Belimumab (GSK1550188).

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Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-05-14 · How we verify

Belimumab Injection — Competitive Intelligence Brief

Belimumab Injection (Belimumab Injection) competitive landscape: 3 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: BLyS inhibitor monoclonal antibody. Area: Immunology.

phase 3 BLyS inhibitor monoclonal antibody BLyS (B-lymphocyte stimulator / BAFF) Immunology Small molecule Live · refreshed every 30 min

Target snapshot

Belimumab Injection (Belimumab Injection) — Nanjing University School of Medicine. Belimumab is a monoclonal antibody that inhibits B-lymphocyte stimulator (BLyS), reducing B cell proliferation and autoantibody production in autoimmune diseases.

Comparator set (3 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target
Belimumab Injection TARGET	Belimumab Injection	Nanjing University School of Medicine	phase 3	BLyS inhibitor monoclonal antibody	BLyS (B-lymphocyte stimulator / BAFF)
Belimumab plus Early Vaccination	Belimumab plus Early Vaccination	Human Genome Sciences Inc., a GSK Company	marketed	BLyS inhibitor monoclonal antibody	B-lymphocyte stimulator (BLyS)
Belimumab Injection [Benlysta]	Belimumab Injection [Benlysta]	National University Hospital, Singapore	marketed	BLyS inhibitor monoclonal antibody	B-lymphocyte stimulator (BLyS/BAFF)
Belimumab (GSK1550188)	Belimumab (GSK1550188)	GlaxoSmithKline	marketed	BLyS inhibitor monoclonal antibody	BLyS (B-lymphocyte stimulator / BAFF)

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (BLyS inhibitor monoclonal antibody class)

GlaxoSmithKline · 1 drug in this class
Human Genome Sciences Inc., a GSK Company · 1 drug in this class
Nanjing University School of Medicine · 1 drug in this class
National University Hospital, Singapore · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Belimumab Injection — Competitive Intelligence Brief. https://druglandscape.com/ci/belimumab-injection. Accessed 2026-05-14.

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