Who are Mepolizumab IV's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Mepolizumab Injection [Nucala], Liquid mepolizumab, Mepolizumab 100 milligrams, Mepolizumab SC.

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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 2026-05-16 · How we verify

Mepolizumab IV — Competitive Intelligence Brief

Mepolizumab IV (Mepolizumab IV) competitive landscape: 4 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: IL-5 antagonist monoclonal antibody. Area: Immunology.

phase 3 IL-5 antagonist monoclonal antibody IL-5 (Interleukin-5) Immunology Small molecule Live · refreshed every 30 min

Target snapshot

Mepolizumab IV (Mepolizumab IV) — GlaxoSmithKline. Mepolizumab is a monoclonal antibody that binds to and neutralizes interleukin-5 (IL-5), reducing eosinophil production and activation in the immune system.

Comparator set (4 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
Mepolizumab IV TARGET	Mepolizumab IV	GlaxoSmithKline	phase 3	IL-5 antagonist monoclonal antibody	IL-5 (Interleukin-5)
Mepolizumab Injection [Nucala]	Mepolizumab Injection [Nucala]	KU Leuven	marketed	IL-5 antagonist monoclonal antibody	IL-5 (Interleukin-5)
Liquid mepolizumab	Liquid mepolizumab	GlaxoSmithKline	phase 3	IL-5 antagonist monoclonal antibody	IL-5 (Interleukin-5)
Mepolizumab 100 milligrams	Mepolizumab 100 milligrams	GlaxoSmithKline	phase 3	IL-5 antagonist monoclonal antibody	IL-5 (Interleukin-5)
Mepolizumab SC	Mepolizumab SC	GlaxoSmithKline	phase 3	IL-5 antagonist monoclonal antibody	IL-5 (Interleukin-5)

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 (IL-5 antagonist monoclonal antibody class)

GlaxoSmithKline · 4 drugs in this class
KU Leuven · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Mepolizumab IV — Competitive Intelligence Brief. https://druglandscape.com/ci/mepolizumab-iv. Accessed 2026-05-16.

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