Methods and devices for the sustained release of multiple drugs
First Claim
1. A drug delivery device comprising two or more segments, wherein each unitary segment comprises a drug-permeable polymeric substance, and wherein at least one unitary segment comprises a mixture of the drug-permeable polymeric substance and a drug.
3 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to an drug delivery device and a method for delivering multiple drugs over a prolonged period of time. The drug delivery device has two or more unitary segments comprising a drug-permeable polymeric substance, wherein at least one of the segments further comprises a pharmaceutically active agent. The invention also relates to a method for the treatment of a benign ovarian secretory disorder in a female mammal, a method of contraception, and a method of relieving the symptoms associated with menopausal, perimenopausal and post-menopausal periods in a woman.
-
Citations
86 Claims
- 1. A drug delivery device comprising two or more segments, wherein each unitary segment comprises a drug-permeable polymeric substance, and wherein at least one unitary segment comprises a mixture of the drug-permeable polymeric substance and a drug.
- 16. A drug delivery system for the simultaneous release of two or more drugs, which system comprises two or more unitary segments, wherein each unitary segment comprises a mixture of a drug-permeable polymeric substance and a drug.
-
24. A method for delivering a drug to a female mammal, said method comprising the steps of:
-
(a) preparing a drug delivery device comprising two or more unitary segments, wherein each unitary segment comprises a drug-permeable polymeric substance, and wherein at least one unitary segment comprises a mixture of the drug-permeable polymeric substance and a drug;
(b) positioning in the vaginal tract of the female mammal the drug delivery device of step (a); and
(c) maintaining the drug delivery device in the vaginal tract of the female mammal for a period of time sufficient to deliver an effective amount of the drug to the female mammal. - View Dependent Claims (25, 26, 27, 28, 29, 30)
-
-
31. A method of making a ring-shaped drug delivery device, comprising the steps of:
-
(a) mixing a first drug-permeable polymeric substance with a first drug to form a first polymeric mixture;
(b) molding the first polymeric mixture of step (a) to form a first ring;
(c) cutting the first ring of step (b) to form a first unitary segment;
(d) repeating steps (a) to (c) with a second drug-permeable polymeric substance and a second drug to form a second unitary segment; and
(e) connecting an end of a first unitary segment with an end of a second unitary segment to form a ring-shaped drug delivery device. - View Dependent Claims (32, 33, 34, 35, 36, 37)
-
-
38. A method of making a ring-shaped drug delivery device, comprising the steps of:
-
(a) mixing a first drug-permeable polymeric substance with a first drug to form a first polymeric mixture;
(b) molding the first polymeric mixture of step (a) to form a first unitary segment;
(c) repeating steps (a) and (b) with a second drug-permeable polymeric substance and a second drug to form a second unitary segment; and
(d) connecting an end of a first unitary segment with an end of a second unitary segment to form a ring-shaped drug delivery device. - View Dependent Claims (39, 40, 41, 42, 43, 44)
-
-
45. A method of making a drug delivery device, comprising the steps of:
-
(a) mixing a first drug-permeable polymeric substance with a first drug to form a first polymeric mixture;
(b) injecting the first polymeric mixture of step (a) into a mold to form a first unitary segment; and
(c) repeating steps (a) and (b) with a second drug-permeable polymeric substance and a second drug to form a second unitary segment to form the drug delivery device. - View Dependent Claims (46, 47, 48, 49, 50)
-
-
51. A method for the treatment of a benign ovarian secretory disorder in a female mammal, comprising:
-
(a) providing a drug delivery device comprising a first segment and a second segment, wherein said first segment comprises a drug-permeable polymeric substance and a luteinizing hormone releasing hormone (LHRH), and wherein said second segment comprises the drug-permeable polymeric substance and an estrogenic steroid; and
(b) inserting into the vagina of said mammal the drug delivery device of step (a) to release a therapeutically effective amount of the LHRH and an effective amount of the estrogenic steroid to said female mammal. - View Dependent Claims (52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66)
-
-
67. A method for preventing pregnancy in a female mammal, comprising:
-
(a) providing a drug delivery device comprising a first segment comprising a drug-permeable polymeric substance and a luteinizing hormone releasing hormone (LHRH), a second segment comprising the drug-permeable polymeric substance and an estrogenic steroid, and a third segment comprising the drug-permeable polymeric substance and a progestational steroid; and
(b) inserting into the vagina of said mammal the drug delivery device of step (a) to release a therapeutically effective amount of the LHRH, an effective amount of the estrogenic steroid, and an effective amount of the progestational steroid to said female mammal. - View Dependent Claims (68, 69, 70, 71)
-
-
72. A method of treating a decrease in estrogen secretion in a woman exhibiting symptoms of a cessation of cyclical ovulation, which method comprises:
-
(a) providing a drug delivery device comprising a first segment and a second segment, wherein said first segment comprises a drug-permeable polymeric substance and a hormone replacement steroid, and wherein said second segment comprises a drug-permeable polymeric substance and progestational steroid; and
(b) inserting into the vagina of said woman the drug delivery device of step (a) to release an effective amount of the hormone replacement steroid to said woman. - View Dependent Claims (73, 74, 75, 76)
-
-
77. A method for relieving the symptoms associated with menopausal, perimenopausal and post-menopausal periods in a woman having said periods and in need of estrogen therapy, which method comprises:
-
(a) providing a drug delivery device comprising a first segment and a second segment, wherein said first segment comprises a drug-permeable polymeric substance and an estrogenic steroid; and
(b) inserting into the vagina of said woman the drug delivery device of step (a) to release an effective amount of the estrogenic steroid to said woman. - View Dependent Claims (78, 79, 80, 81, 82, 83, 84, 85, 86)
-
Specification