C1-inhibitor Other names: C1 esterase inhibitor C1-inh

Active ingredient description

C1 inhibitor is a single chain glycoprotein found in plasma and a member of the serine protease inhibitor, or serpin, superfamily of proteins. C1 inhibitor inhibits the complement system by binding C1r and C1s and is the most important inhibitor of contact activation, regulating the contact system and the intrinsic coagulation pathway by binding to and inactivating kallikrein and factor XIIa.

Medicine classification

This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:

ATC code Group title Classification
B06AC01 C1-inhibitor, plasma derived B Blood and blood forming organs → B06 Other hematological agents → B06A Other hematological agents → B06AC Drugs used in hereditary angioedema
Discover more medicines within B06AC01

Product monographs

Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):

Title Information Source Document Type  
CINRYZE Powder and solvent for solution for injection Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC

External identifiers

DrugBank Drug: DB06404
RxNorm Ingredient: 809864
SNOMED-CT Concept: 300898002
C1-esterase inhibitor (substance)
UNII Identifier: 6KIC4BB60G
HUMAN C1-ESTERASE INHIBITOR

Medicines

C1-inhibitor is an active ingredient of these brands:

United States (US)

Austria (AT)

Brazil (BR)

Canada (CA)

Croatia (HR)

Cyprus (CY)

Estonia (EE)

Finland (FI)

France (FR)

Ireland (IE)

Israel (IL)

Japan (JP)

Lithuania (LT)

Malta (MT)

Netherlands (NL)

Poland (PL)

Romania (RO)

Spain (ES)

Turkey (TR)

United Kingdom (UK)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.

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