SECRETORY IMMUNOGLOBULIN A PREPARATION POSSESSING ANTIVIRAL OR ANTIBACTERIAL EFFECT Russian patent published in 2005 - IPC

FIELD: biotechnology, immunology.

SUBSTANCE: invention proposes preparation that comprises the immunoelectrophoretically pure secretory immunoglobulin A isolated from whey milk and/or colostrum of immunized ungulate animals and pharmaceutically acceptable vehicles. The base preparation (substance) comprises 6-12% of secretory immunoglobulin A at pH 4-8, an anti-complementary activity at least 10 mg of protein, not activating 2 CH₅₀, protects in >70% against corresponding infections (in infection macroorganism in doses ≥10 ID₅₀), shows areactogenic property in intravenous administration, can comprise stabilizing additives in the total concentration 4%, not above. The preparation possesses high purity, low anti-complementary activity, stable in storage, useful for oral, parenteral and topical using and possesses therapeutic activity with respect to microorganisms and viruses against which humans and animals immunization have been carried out. Invention can be used in treatment and prophylaxis of immunodeficiency states, bacterial and viral infections in humans and animals.

EFFECT: valuable medicinal and veterinary properties of preparation.

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