Methods and formulations for use in inhibiting conception and in treating benign gynecological disorders
First Claim
1. A composition comprising:
- a slow-release formulation of a gonadotropin hormone releasing hormone composition which maintains serum level of said gonadotropin hormone releasing hormone composition in a female mammal at a level effective to suppress ovarian estrogen and progesterone production over a first period of time, said GnRH composition being administered so as to provide between about 0.0001 and about 10 mg/kg of body weight per day;
a slow-release formulation of an estrogenic composition which maintains serum level of said estrogenic composition over said first period of time at a level effective to prevent symptoms of estrogen deficiency, said level being equivalent to a serum level of estradiol of between about 25 and about 140 pg/ml; and
a slow-release formulation of a progestogen which maintains serum level of said progestogen at a first level effective to induce a secretory endometrium for at least 5 to about 20 days and at a second lower level effective to decrease endometrial cell proliferation for a remainder, if any, of a second period of time, said second period of time being substantially shorter than and running simultaneously with a portion of said first period of time, said first level being equivalent to a serum level of progesterone of between about 5 and about 20 ng/ml and said second level being equivalent to a serum level of progesterone of between about 0.5 and about 4 ng/ml.
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Abstract
Compositions and methods which are effective to inhibit conception and to treat benign gynecological disorders for extended periods of time are described, wherein an effective amount of a gonadotropin hormone releasing hormone composition and an effective amount of an estrogenic composition are provided over a first period of time, in addition to a progestogen and optionally an androgenic composition. According to one protocol, the progestogen is provided for a second, shorter period of time; the progestogen is provided at a higher level for at least 5 to about 20 days, and then at a lower level for the remainder, if any, of the second period of time. In an alternative protocol, the progestogen is provided at a lower level substantially throughout the period of administration of gonadotropin hormone releasing hormone composition and estrogenic composition. An effective amount of the androgenic hormone is optionally provided over the first period of time.
139 Citations
32 Claims
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1. A composition comprising:
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a slow-release formulation of a gonadotropin hormone releasing hormone composition which maintains serum level of said gonadotropin hormone releasing hormone composition in a female mammal at a level effective to suppress ovarian estrogen and progesterone production over a first period of time, said GnRH composition being administered so as to provide between about 0.0001 and about 10 mg/kg of body weight per day; a slow-release formulation of an estrogenic composition which maintains serum level of said estrogenic composition over said first period of time at a level effective to prevent symptoms of estrogen deficiency, said level being equivalent to a serum level of estradiol of between about 25 and about 140 pg/ml; and a slow-release formulation of a progestogen which maintains serum level of said progestogen at a first level effective to induce a secretory endometrium for at least 5 to about 20 days and at a second lower level effective to decrease endometrial cell proliferation for a remainder, if any, of a second period of time, said second period of time being substantially shorter than and running simultaneously with a portion of said first period of time, said first level being equivalent to a serum level of progesterone of between about 5 and about 20 ng/ml and said second level being equivalent to a serum level of progesterone of between about 0.5 and about 4 ng/ml. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A composition comprising:
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a slow-release formulation of a gonadotropin hormone releasing hormone composition which maintains serum level of said gonadotropin hormone releasing hormone composition in a female mammal at a level effective to suppress ovarian estrogen and progesterone production over a period of time, said GnRH composition being administered so as to provide between about 0.0001 and about 10 mg/kg of body weight per day; a slow-release formulation of an estrogenic composition which maintains serum level of said estrogenic composition over said period of time at a level effective to prevent symptoms of estrogen deficiency, said level being equivalent to a serum level of estradiol of between about 25 and about 140 pg/ml; and a slow-release formulation of a progestogen which maintains serum level of said progestogen over said period of time at a level effective to decrease endometrial cell proliferation, said level being equivalent to a serum level of progesterone of between about 0.5 and about 4 ng/ml. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for preventing conception in a mammal or for treating benign gynecological disorders, comprising:
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administering a gonadotropin hormone releasing hormone composition for a first period of time in an amount effective to maintain serum level of said gonadotropin hormone releasing hormone composition at a level effective to suppress ovarian estrogen and progesterone production, said GnRH composition being administered so as to provide between about 0.0001 and about 10 mg/kg of body weight per day; simultaneously administering an estrogenic composition in an amount effective to maintain serum level of said estrogenic composition over said first period of time at a level effective to prevent symptoms of estrogen deficiency, said level being equivalent to a serum level of estradiol of between about 25 and about 140 pg/ml; and administering a progestogen for a second, shorter period of time in an amount effective to maintain serum level of said progestogen at a first level effective to induce a secretory endometrium for at least 5 to about 20 days and at a second lower level effective to decrease endometrial cell proliferation for a remainder, if any, of said second period of time, said second period of time being substantially shorter than and running simultaneously with a portion of said first period of time, said first level being equivalent to a serum level of progesterone of between about 5 and about 20 ng/ml and said second level being equivalent to a serum level of progesterone of between about 0.5 and about 4 ng/ml. - View Dependent Claims (24, 25, 26, 27, 28)
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29. A method for preventing conception in a mammal or for treating benign gynecological disorders, comprising:
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administering a gonadotropin hormone releasing hormone composition for a period of time in an amount effective to maintain serum level of said gonadotropin hormone releasing hormone composition at a level effective to suppress ovarian estrogen and progesterone production, said GnRH composition being administered so as to provide between about 0.0001 and about 10 mg/kg of body weight per day; simultaneously administering an estrogenic composition in an amount effective to maintain serum level of said estrogenic composition over said period of time at a level effective to prevent symptoms of estrogen deficiency, said level being equivalent to a serum level of estradiol of between about 25 and about 140 pg/ml; and simultaneously administering a progestogen in an amount effective to maintain serum level of said progestogen over said period of time at a level effective decrease endometrial cell proliferation, said level being equivalent to a serum level of progesterone of between about 0.5 and about 4 ng/ml. - View Dependent Claims (30, 31, 32)
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Specification