Human Alpha1-Proteinase Inhibitor

Products

Human alpha1-proteinase inhibitor was approved in many countries in 2016 as a powder and solvent for the preparation of an intravenous infusion solution (Respreeza, USA: Zemaira). It has been approved in the United States since 2003 and in the EU since 2015.

Structure and properties

Human alpha1-proteinase inhibitor is a glycoprotein derived from human plasma. It has not yet been produced recombinantly using biotechnological methods.

Effects

Human alpha1-proteinase inhibitor (ATC B02AB02) is an antagonist of neutrophil elastase (NE) in the lower respiratory tract. Deficiency leads to proteolysis and lung disease. The half-life is 6.8 days.

Indications

As maintenance therapy for adults with severe alpha1-proteinase inhibitor deficiency and clinically manifest lung disease.

Dosage

According to the SmPC. The drug is administered as an intravenous infusion.

Contraindications

  • Hypersensitivity
  • IgA deficiency and antibodies to IgA
  • Decompensated cor pulmonale

For complete precautions, see the drug label.

Adverse effects

The most common possible adverse effects include dizziness and headache. Rarely, hypersensitivity reactions have been reported.