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PROLASTIN (Alpha(1)-Proteinase Inhibitor [Human]) is derived from human plasma and is administered intravenously to raise the levels of A1PI in the blood and lungs.
A1PI raises levels of AAT in the body and provides the lung with a protective shield against neutrophil elastase, the destructive enzyme.
A1PI is intended only for AAT deficient patients who have begun to show symptoms of emphysema.