Patents Assigned to Hitoshi Shichi
  • Immunosuppressive agent
    Patent number: 4843092
    Abstract: The present invention provides an immunosuppressive agent containing an effective amount of one or more of the macrolide antibiotics of the formula (I): ##STR1## (wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a methyl or ethyl group). The immunisuppressive agent has excellent immuno-suppressive activity and can be employed as an agent for suppressing rejection occurring after organ transplantation and as an agent for treating autoimmune diseases.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: June 27, 1989
    Assignee: Hitoshi Shichi
    Inventors: Hitoshi Shichi, Yoshihito Tanouchi, Yoshio Kamada