Patents by Inventor Yasuaki Osada

Yasuaki Osada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for treating Kaposi's sarcoma and blocking or inhibiting vascular permeability
    Patent number: 5518999
    Abstract: The present invention is directed to a method for arresting or inhibiting the growth of cells in Kaposi's Sarcoma lesions and a method for arresting or inhibiting the growth of the Kaposi's Sarcoma lesions, said methods comprising contacting the cells in the lesions with an effective amount of SP-PG, a naturally occurring sulfated polysaccharide-peptidoglycan produced by a specific species of the bacterium Arthrobacter, AT-25. The invention is also directed to blocking or inhibiting the activity of cellular vascular permeability factor(s), which comprises contacting vascular cells with an effective amount of SP-PG. In one embodiment, there is provided a method for blocking or inhibiting increased vascular permeability (and resulting edema) in diseases and disorders in which the increased vascular permeability contributes to the pathology, for example, in Kaposi's Sarcoma, tumorigenesis, inflammation, diabetic retinopathy, etc.
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: May 21, 1996
    Assignees: The United States of America as represented by the Secretary of the Department of Health and Human Services, Daiichi Pharmaceutical Co., Ltd.
    Inventors: Shuji Nakamura, Robert C. Gallo, Yasuaki Osada, Shinsaku Sakurada, Noriko G. Tanaka, Syed Z. Salahuddin