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C1 inhibitor (human) [C1 INH] — Competitive Intelligence Brief

C1 inhibitor (human) [C1 INH] (C1 inhibitor (human) [C1 INH]) competitive landscape: 0 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Complement inhibitor / Serine protease inhibitor. Area: Immunology / Rare disease.

marketed Complement inhibitor / Serine protease inhibitor C1s protease / Classical complement pathway Immunology / Rare disease Biologic Live · refreshed every 30 min

Target snapshot

C1 inhibitor (human) [C1 INH] (C1 inhibitor (human) [C1 INH]) — Shire. C1 inhibitor (human) is a plasma protein that regulates the initial step of the classical complement cascade by inhibiting C1s protease activity.

Comparator set

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

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
C1 inhibitor (human) [C1 INH] TARGET C1 inhibitor (human) [C1 INH] Shire marketed Complement inhibitor / Serine protease inhibitor C1s protease / Classical complement pathway

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 (Complement inhibitor / Serine protease inhibitor class)

  1. Shire · 1 drug in this class

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Cite this brief

Drug Landscape (2026). C1 inhibitor (human) [C1 INH] — Competitive Intelligence Brief. https://druglandscape.com/ci/c1-inhibitor-human-c1-inh. Accessed 2026-05-17.

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