Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Reexamination Certificate
2006-05-09
2006-05-09
Azpuru, Carlos A. (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
C424S431000, C424S432000, C424S433000
Reexamination Certificate
active
07041310
ABSTRACT:
This invention provides to a novel pharmaceutical preparation for the treatment of gynecological diseases. The pharmaceutical preparation according to the invention comprises a therapeutic drug for the intrauterine, intravaginal or intrapelvic administration, or for the administration into the ovarian endometrioma, and a biodegradable polymer comprising a chemically modified hyaluronic acid or a salt thereof prepared by O-acylating, alkoxylating or crosslinking a complex of hyaluronic acid or a salt thereof and a cationic compound in a nonaqueous solvent. The preparation of the invention is preferably administered intrauterine, intravaginal, intrapelvic, and intratumor cavity.
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Yui et al., “Chemically Modified Hyaluronic Acid or Salts Thereof, and a Process for Producing Thereof”, U.S. Appl. No. 10/107,195, filed Mar. 28, 2002, pending.
Murakami Kouichi
Ooya Tooru
Sato Ikuo
Yui Nobuhiko
Azpuru Carlos A.
Chisso Corporation
Leydig , Voit & Mayer, Ltd.
Yui Nobuhiko
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