Human medical treatment by aerosol inhalation of immunoglobulin A
US6967106B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 18, 2002 |
| Grant date | Nov 22, 2005 |
| Priority date | — |
| Expiry date | Oct 17, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07K2317/21
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pooled human plasma is processed by cold ethanol fractionation to produce purified immunoglobulin G antibodies for intravenous administration. Immunoglobulin A is an unwanted by-product since intravenous administration of immunoglobulin A-containing immunoglobulin G can cause life-threatening anaphylaxis in some people. The present invention is the topical application of immunoglobulin A coupled with J chain, and optionally coupled with secretory component in order to render the immunoglobulin A more physiologically active, for the prevention or treatment of ocular diseases including ocular immune deficiency and infections. Antigen-specific monoclonal immunoglobulin A may be used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.