Immunomedics Awarded Three US Patents Covering Its Cancer Therapeutic Product Candidates and Technologies

Immunomedics, Inc. IMMUtoday reported that 3 US patents were awarded. US Patent 7,910,103 issued on March 22, 2010, with claims covering the treatment of a B-cell malignancy with a therapeutic comprising a human, humanized or chimeric anti-CD22 monoclonal antibody conjugated with a drug or radioisotope, and used in combination with an unconjugated (naked) anti-CD20 antibody. This includes any anti-CD22 antibody, such as the Company's epratuzumab, conjugated with an anticancer drug or therapeutic radionuclide, combined with an anti-CD20 antibody, such as rituximab or veltuzumab. This patent is due to expire in October, 2020. US Patent 7,919,087 will issue on April 5, 2011, covering a method of treating CD74-positive multiple myeloma with its anti-CD74 humanized monoclonal antibody, milatuzumab, either alone or conjugated with an anticancer drug. This patent is due to expire in March, 2023. US Patent 7,919,090 will issue on April 5, 2011, encompassing claims for treating carcinoembryonic antigen (CEA)-expressing cancers, wherein a specific anti-CEACAM5 monoclonal antibody or fragment thereof is given in combination with a cancer therapeutic agent, such as a drug, radionuclide, toxin, immunomodulator, photoactive agent, immunoconjugate, hormone, or any combinations thereof.