Alfa1 antitrypsin Other names: α1-antitrypsin Serpin family A member 1 Alpha1 proteinase inhibitor A1PI A1AT

Active ingredient description

Human alpha1-proteinase inhibitor is understood to be the primary anti-protease in the lower respiratory tract, where it inhibits neutrophil elastase (NE). Normal healthy individuals produce sufficient alpha1-proteinase inhibitor to control the NE produced by activated neutrophils and are thus able to prevent inappropriate proteolysis of lung tissue by NE.

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
B02AB02 Alfa1 antitrypsin B Blood and blood forming organs → B02 Antihemorrhagics → B02A Antifibrinolytics → B02AB Proteinase inhibitors
Discover more medicines within B02AB02

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  
RESPREEZA Powder and solvent for solution European Medicines Agency (EU) MPI, EU: SmPC

External identifiers

CAS Substance: 9041-92-3
DrugBank Drug: DB00058
RxNorm Ingredient: 535
SNOMED-CT Concept: 14767006
Human alpha1 proteinase inhibitor (substance)
UNII Identifier: F43I396OIS
.ALPHA.1-PROTEINASE INHIBITOR HUMAN

Medicines

Alfa1 antitrypsin 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)

Italy (IT)

Lithuania (LT)

Netherlands (NL)

New Zealand (NZ)

Poland (PL)

Romania (RO)

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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