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What is .Alpha.1-Proteinase Inhibitor Human used for?

A purified protein extracted from pooled human plasma used to augment deficient levels of alpha-1 antitrypsin in people with hereditary alpha-1 antitrypsin deficiency, a genetic condition that leads to progressive lung destruction resembling emphysema. Regular infusions help protect the lungs from neutrophil elastase, an enzyme that would otherwise break down lung tissue.

Is .Alpha.1-Proteinase Inhibitor Human an approved drug?

Yes, .Alpha.1-Proteinase Inhibitor Human is an approved drug. It has reached clinical phase 4. It is classified as a Protein.

{# References & Data Sources section for drug detail pages. Renders standard pharmacological database links plus the drug's data_sources field. #}

References & Data Sources

• ChEMBL — European Bioinformatics Institute (EBI). CHEMBL4297879. Open-access bioactivity database.

Data aggregated from publicly available pharmacological databases. Last updated 2026-02-27.