Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – C-o-group doai
Reexamination Certificate
2005-01-27
2010-02-23
Kwon, Brian-Young S (Department: 1614)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
C-o-group doai
C424S195150
Reexamination Certificate
active
07666913
ABSTRACT:
The object of the present invention is to provide a drug effective in treating or preventing osteoporosis. The present invention discloses a therapeutic or preventive drug for osteoporosis having a compound shown in the formula (1)(wherein R1is an alkyloxy group with the carbon number of 1 to 4)or a pharmaceutically acceptable salt or ester of said compound in the formula (1) as an effective ingredient. In the compound of the formula (1), a substance in which R1is CH3O is isotaxiresinol derived fromTaxus yunanennsisand showed physiological activities in inhibiting bone resorption and improving bone formation.
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Kadota Shigetoshi
Nobukawa Takahiro
Kotosugi Inc.
Kwon Brian-Young S
Westerman Hattori Daniels & Adrian LLP
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