Method of treating or preventing osteoporosis using...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – C-o-group doai

Reexamination Certificate

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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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Notification of Reason(s) for Refusal, dated Oct. 2, 2009, in corresponding Japanese Application No. 2005-517653.

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