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Details for Patent: 5,543,150

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Summary for Patent: 5,543,150

Title: Method of progesterone delivery and affect thereof
Abstract:The present invention teaches that relatively low levels of serum progesterone, 1 to 6 ng/ml, may be used to prevent endometrial cancer. The vaginal delivery of progesterone using a cross-linked polycarboxylic polymer produces this low serum progesterone level while also providing the full secretory transformation of the endometrium, indicating the efficacy of the progesterone. Such low levels of serum progesterone will decrease the risk of breast cancer experienced by women undergoing hormone replacement therapy ("HRT") and minimize the potential of other undesirable progesterone associated side effects.
Inventor(s): Bologna; William J. (New York, NY), Levine; Howard L. (Oceanside, NY)
Assignee: Columbia Laboratories, Inc. (Coconut Grove, FL)
Application Number:08/122,371
Patent Claim Types:
see list of patent claims
Use; Delivery; Device;

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International Patent Family for Patent: 5,543,150

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada2171939<disabled in preview>
Colombia4290332<disabled in preview>
Germany69415543<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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