Drug – bio-affecting and body treating compositions – Conjugate or complex of monoclonal or polyclonal antibody,... – Conjugated to proteinaceous toxin or fragment thereof
Patent
1995-05-26
1997-02-11
Eisenschenk, Frank C.
Drug, bio-affecting and body treating compositions
Conjugate or complex of monoclonal or polyclonal antibody,...
Conjugated to proteinaceous toxin or fragment thereof
4241781, 5303917, 5303919, A61K 39395, C07K 1900, C07K 1630, C07K 1620
Patent
active
056018258
ABSTRACT:
Provided are conjugates useful in cancer or infectious disease therapy. The conjugate is a drug or modified toxin which is a native toxin devoid of a functioning receptor binding domain and a protein which reacts with a substance associated with a targeted cell or pathogen. The targeted substance internalizes the conjugate into the cell cytoplasm, and the kills the cell. The protein prior to conjugation has at least one mercapto group which becomes a site for conjugation to the toxin or drug. Also provided are methods of therapy, methods for producing the conjugate and pharmaceuticals compositions of the conjugates.
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Goldenberg David M.
Griffiths Gary L.
Hansen Hans J.
Lentine-Jones Anastasia
Eisenschenk Frank C.
Immunomedics Inc.
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