Lavage and/or infusion using CSA compounds for increasing fertility in a mammal
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-031/575
A61K-009/00
출원번호
US-0644946
(2015-03-11)
등록번호
US-9867836
(2018-01-16)
발명자
/ 주소
Beus, Chad S.
Savage, Paul B.
출원인 / 주소
BRIGHAM YOUNG UNIVERSITY
대리인 / 주소
Workman Nydegger
인용정보
피인용 횟수 :
0인용 특허 :
33
초록▼
Increasing fertility in a mammal utilizes cationic steroidal antimicrobial (CSA) compounds and CSA-containing compositions. Such treatment in a mammal includes administering a formulation (e.g., lavage and/or infusion) including at least one CSA compound, or pharmaceutically acceptable salt thereof,
Increasing fertility in a mammal utilizes cationic steroidal antimicrobial (CSA) compounds and CSA-containing compositions. Such treatment in a mammal includes administering a formulation (e.g., lavage and/or infusion) including at least one CSA compound, or pharmaceutically acceptable salt thereof, to the reproductive structure(s) of the mammal (e.g., horse, dairy cow, human, etc.). The formulation may be applied topically as lavage and/or infusion to desired reproductive structures, such as the vagina, cervix, uterus, penis, or combinations thereof. The formulation may kill both planktonic and biofilm forms of sperm killing microbes, and may at least partially break up a microbial plaque or film located within any of the reproductive structures (e.g., the uterus). The CSA or pharmaceutically acceptable salt thereof may be selective or preferential in its action, so as to preferentially kill sperm killing microbes without causing harm to beneficial microbes also residing within the reproductive structure of the mammal.
대표청구항▼
1. A method for increasing fertility in a mammal, comprising: administering a therapeutically effective amount of at least one cationic steroid antimicrobial (CSA) compound of Formula (I), or a pharmaceutically acceptable salt thereof, to a reproductive structure of a mammal: where,rings A, B, C, an
1. A method for increasing fertility in a mammal, comprising: administering a therapeutically effective amount of at least one cationic steroid antimicrobial (CSA) compound of Formula (I), or a pharmaceutically acceptable salt thereof, to a reproductive structure of a mammal: where,rings A, B, C, and D are independently saturated, or are fully or partially unsaturated, provided that at least two of rings A, B, C, and D are saturated;m, n, p, and q are independently 0 or 1;R1 through R4, R6, R7, R11, R12, R15, R16, and R18 are independently selected from the group consisting of hydrogen, hydroxyl, a substituted or unsubstituted alkyl, a substituted or unsubstituted hydroxyalkyl, a substituted or unsubstituted alkyloxyalkyl, a substituted or unsubstituted alkylcarboxyalkyl, a substituted or unsubstituted alkylaminoalkyl, a substituted or unsubstituted alkylaminoalkylamino, a substituted or unsubstituted alkylaminoalkylamino-alkylamino, a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted arylaminoalkyl, a substituted or unsubstituted haloalkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted alkynyl, oxo, a linking group attached to a second steroid, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted aminoalkyloxyalkyl, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted aminoalkylaminocarbonyl, a substituted or unsubstituted aminoalkylcarboxamido, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, a substituted or unsubstituted azidoalkyloxy, a substituted or unsubstituted cyanoalkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, a substituted or unsubstituted guanidinoalkyloxy, a substituted or unsubstituted quaternary ammonium alkylcarboxy, and a substituted or unsubstituted guanidinoalkyl carboxy, where Q5 is a side chain of an amino acid and P.G. is an amino protecting group; andR5, R8, R9, R10, R13, R14 and R17 are independently deleted when one of rings A, B, C, or D is unsaturated so as to complete the valency of the carbon atom at that site, or when present, R5, R8, R9, R10, R13, and R14 are independently selected from the group consisting of hydrogen, hydroxyl, a substituted or unsubstituted alkyl, a substituted or unsubstituted hydroxyalkyl, a substituted or unsubstituted alkyloxyalkyl, a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted haloalkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted alkynyl, oxo, a linking group attached to a second steroid, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted aminoalkylaminocarbonyl, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, azidoalkyloxy, cyano-alkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, guanidinoalkyloxy, and guanidine-alkylcarboxy, where Q5 is a side chain of an amino acid and P.G. is an amino protecting group,provided that at least two or three of R1-4, R6, R7, R11, R12, R15, R16, R17, and R18 are independently selected from the group consisting of a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted alkylcarboxyalkyl, a substituted or unsubstituted alkylaminoalkylamino, a substituted or unsubstituted alkylaminoalkylamino-alkylamino, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted arylaminoalkyl, a substituted or unsubstituted aminoalkyloxyaminoalkylaminocarbonyl, a substituted or unsubstituted aminoalkylamino-carbonyl, a substituted or unsubstituted aminoalkylcarboxyamido, a quaternaryammoniumalkylcarboxy, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, azidoalkyloxy, cyanoalkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, a substituted or unsubstituted guanidinoalkyloxy, and a substituted or unsubstituted guanidinoalkylcarboxy, andthe administered at least one CSA compound, or pharmaceutically acceptable salt thereof, at least partially breaking up a bacterial biofilm associated with the reproductive structure of the mammal to increase fertility of the mammal. 2. A method as in claim 1, wherein the reproductive structure of the mammal is selected from the group consisting of a vagina, cervix, uterus, and combinations thereof of a female mammal. 3. A method as in claim 1, wherein the at least one CSA compound or pharmaceutically acceptable salt thereof is administered to the reproductive structure of the mammal as a lavage and/or infusion composition including a solvent or liquid carrier and the at least one CSA compound or pharmaceutically acceptable salt thereof. 4. A method as in claim 1, wherein the reproductive structure of the mammal is a penis of a male mammal. 5. A method as in claim 1, wherein the at least one CSA compound or pharmaceutically acceptable salt thereof is administered to the reproductive structure of the mammal as an ointment or other topical composition including a liquid or emollient carrier and the at least one CSA compound or pharmaceutically acceptable salt thereof. 6. A method as in claim 1, wherein at least one bacterial strain associated with the bacterial biofilm interferes with sperm activity, and wherein the administered at least one CSA compound or pharmaceutically acceptable salt thereof kills the at least one bacterial strain that interferes with sperm activity. 7. A method as in claim 1, wherein the at least one CSA compound or pharmaceutically acceptable salt thereof kills at least 90% of one or more types of microbes. 8. A method as in claim 1, wherein infertility is caused by metritis or endometritis and wherein the at least one CSA compound or pharmaceutically acceptable salt thereof hastens uterine epithelial cell healing and modulates inflammation. 9. A method as in claim 1, wherein the at least one CSA compound or pharmaceutically acceptable salt thereof is adapted to and present in a concentration sufficient to kill both planktonic and biofilm forms of sperm killing microbes without causing harm to beneficial microbes residing within the reproductive structure of the mammal. 10. A method as in claim 1, wherein the mammal is a non-human mammal. 11. A method as in claim 10, wherein the non-human mammal is a horse, bovine, pig, dog, or cat. 12. A method as in claim 1, wherein the mammal is a human. 13. A method as in claim 1, wherein the CSA compound comprises a plurality of cationic groups attached to a steroidal backbone, the cationic groups being attached to the steroidal backbone through hydrolysable ester linkages. 14. A method as in claim 1, wherein the at least one CSA compound or pharmaceutically acceptable salt thereof is administered using a CSA-containing composition comprising: a solvent or liquid carrier;the at least one CSA compound or pharmaceutically acceptable salt thereof; anda micelle-forming agent forming micelles encapsulating at least a portion of CSA molecules of the at least one CSA compound or pharmaceutically acceptable salt thereof so that no more than 25% of the CSA molecules form agglomerates larger than 1 micron in size. 15. A method as in claim 1, wherein: R1, R2, R4, R5, R6, R8, R10, R11, R14, R16, and R17 are each hydrogen;R9 and R13 are each methyl; andR3, R7, R12, and R18 are independently selected from the group consisting of aminoalkyloxy; aminoalkylcarboxy; alkylaminoalkyl; alkoxycarbonylalkyl; alkyl-carbonyl alkyl; di(alkyl)aminoalkyl; alkoxycarbonylalkyl; and alkylcarboxyalkyl. 16. A method as in claim 1, wherein the at least one CSA compound or pharmaceutically acceptable salt thereof is selected from the group consisting of: and pharmaceutically acceptable salts thereof. 17. A method as in claim 1, wherein the at least one CSA compound or pharmaceutically acceptable salt thereof comprises: or pharmaceutically acceptable salt thereof. 18. A method as in claim 1, wherein the pharmaceutically acceptable salt is a hydrochloride salt or a tri-hydrochloride salt. 19. A method for increasing fertility in a mammal having metritis or endometritis, comprising: administering a therapeutically effective amount of at least one cationic steroid antimicrobial (CSA) compound, or a pharmaceutically acceptable salt thereof, to a reproductive structure of the mammal,wherein the administered at least one CSA compound, or pharmaceutically acceptable salt thereof, at least partially breaks up a biofilm associated with the reproductive structure of the mammal and/or hastens uterine epithelial cell healing and modulates inflammation to increase fertility in the mammal, andwherein the at least one CSA compound is a compound of Formula (IA) or a pharmaceutically acceptable salt thereof: where,rings A, B, C, and D are independently saturated;R1 through R4, R6, R7, R11, R12, R16, and R18 are independently selected from the group consisting of hydrogen, hydroxyl, a substituted or unsubstituted alkyl, a substituted or unsubstituted hydroxyalkyl, a substituted or unsubstituted alkyloxyalkyl, a substituted or unsubstituted alkylcarboxyalkyl, a substituted or unsubstituted alkylaminoalkyl, a substituted or unsubstituted alkylamino-alkylamino, a substituted or unsubstituted alkylaminoalkylamino-alkylamino, a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted arylaminoalkyl, a substituted or unsubstituted haloalkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted alkynyl, oxo, a linking group attached to a second steroid, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted aminoalkyloxyalkyl, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted aminoalkylaminocarbonyl, a substituted or unsubstituted aminoalkylcarboxamido, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, a substituted or unsubstituted azido-alkyloxy, a substituted or unsubstituted cyanoalkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, a substituted or unsubstituted guanidinoalkyloxy, a substituted or unsubstituted quaternary ammonium alkylcarboxy, and a substituted or unsubstituted guanidinoalkyl carboxy, where Q5 is a side chain of an amino acid and P.G. is an amino protecting group; andR5, R8, R9, R10, R13, and R14 are independently selected from the group consisting of hydrogen, hydroxyl, a substituted or unsubstituted alkyl, a substituted or unsubstituted hydroxyalkyl, a substituted or unsubstituted alkyloxyalkyl, a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted haloalkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted alkynyl, oxo, a linking group attached to a second steroid, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted aminoalkylaminocarbonyl, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, azidoalkyloxy, cyano-alkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, guanidinoalkyloxy, and guanidine-alkylcarboxy, where Q5 is a side chain of an amino acid and P.G. is an amino protecting group,provided that at least two or three of R1-4, R6, R7, R11, R12, R16, R17, and R18 are independently selected from the group consisting of a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted alkylcarboxyalkyl, a substituted or unsubstituted alkylaminoalkylamino, a substituted or unsubstituted alkylaminoalkylamino-alkylamino, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted arylaminoalkyl, a substituted or unsubstituted aminoalkyloxyaminoalkylaminocarbonyl, a substituted or unsubstituted aminoalkylamino-carbonyl, a substituted or unsubstituted aminoalkylcarboxyamido, a quaternaryammoniumalkylcarboxy, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, azidoalkyloxy, cyanoalkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, a substituted or unsubstituted guanidinoalkyloxy, and a substituted or unsubstituted guanidinoalkylcarboxy. 20. A method as in claim 19, wherein: R1, R2, R4, R5, R6, R8, R10, R11, R14, R16, and R17 are each hydrogen;R9 and R13 are each methyl; andR3, R7, R12, and R18 are independently selected from the group consisting of aminoalkyloxy; aminoalkylcarboxy; alkylaminoalkyl; alkoxycarbonylalkyl; alkylcarbonylalkyl; di(alkyl)aminoalkyl; alkoxycarbonylalkyl; and alkyl carboxyalkyl. 21. A method as in claim 19, wherein: R3, R7, R12, and R18 are independently selected from the group consisting of hydrogen, an unsubstituted (C1-C18) alkyl, unsubstituted (C1-C18) hydroxyalkyl, unsubstituted (C1-C18) alkyloxy-(C1-C18) alkyl, unsubstituted (C1-C18) alkylcarboxy-(C1-C18) alkyl, unsubstituted (C1-C18) alkylamino-(C1-C18)alkyl, unsubstituted (C1-C18) alkylamino-(C1-C18) alkylamino, unsubstituted (C1-C18) alkylamino-(C1-C18) alkylamino-(C1-C18) alkylamino, an unsubstituted (C1-C18) aminoalkyl, an unsubstituted arylamino-(C1-C18) alkyl, an unsubstituted (C1-C18) aminoalkyloxy, an unsubstituted (C1-C18) aminoalkyloxy-(C1-C18) alkyl, an unsubstituted (C1-C18) aminoalkylcarboxy, an unsubstituted (C1-C18) aminoalkylaminocarbonyl, an unsubstituted (C1-C18) aminoalkylcarboxamido, an unsubstituted di(C1-C18 alkyl)aminoalkyl, unsubstituted (C1-C18) guanidinoalkyloxy, unsubstituted (C1-C18) quaternaryammoniumalkylcarboxy, and unsubstituted (C1-C18) guanidinoalkylcarboxy; andR1, R2, R4, R5, R6, R8, R9, R10, R11, R13, R14, R16, and R17 are independently selected from the group consisting of hydrogen and unsubstituted (C1-C6) alkyl. 22. A method as in claim 19, wherein: R3, R7, R12, and R18 are independently selected from the group consisting of hydrogen, an unsubstituted (C1-C6) alkyl, unsubstituted (C1-C6) hydroxyalkyl, unsubstituted (C1-C16) alkyloxy-(C1-C5) alkyl, unsubstituted (C1-C16) alkylcarboxy-(C1-C5) alkyl, unsubstituted (C1-C16) alkylamino-(C1-C5)alkyl, (C1-C16) alkylamino-(C1-C5) alkylamino, unsubstituted (C1-C16) alkylamino-(C1-C16) alkylamino-(C1-C5) alkylamino, an unsubstituted (C1-C16) aminoalkyl, an unsubstituted arylamino-(C1-C5) alkyl, an unsubstituted (C1-C5) aminoalkyloxy, an unsubstituted (C1-C16) aminoalkyloxy-(C1-C5) alkyl, an unsubstituted (C1-C5) aminoalkylcarboxy, an unsubstituted (C1-C5) aminoalkylaminocarbonyl, an unsubstituted (C1-C5) aminoalkylcarboxamido, an unsubstituted di(C1-C5 alkyl)amino-(C1-C5) alkyl, unsubstituted (C1-C5) guanidinoalkyloxy, unsubstituted (C1-C16) quaternaryammoniumalkylcarboxy, and unsubstituted (C1-C16) guanidinoalkylcarboxy;R1, R2, R4, R5, R6, R8, R10, R11, R14, R16, and R17 are each hydrogen;R9 and R13 are each methyl; andR3, R7, R12, and R18 are independently selected from the group consisting of aminoalkyloxy; aminoalkylcarboxy; alkylaminoalkyl; alkoxycarbonylalkyl; alkyl-carbonyl alkyl; di(alkyl)aminoalkyl; alkoxycarbonylalkyl; and alkyl carboxyalkyl. 23. A method as in claim 19, wherein R3, R7, and R12 are the same and are selected from the group consisting of aminoalkyloxy and aminoalkylcarboxy; andR18 is selected from the group consisting of alkylaminoalkyl; alkoxycarbonylalkyl; alkylcarbonyloxyalkyl; di(alkyl)aminoalkyl; C-carboxyalkyl; alkylaminoalkyl; alkyoxycarbonylalkyl; and alkylcarboxyalkyl. 24. A method as in claim 19, wherein R3, R7, R12, and R18 are independently selected from the group consisting of amino-C3-alkyloxy; amino-C3-alkyl-carboxy; C5-alkylamino-C5-alkyl; C8-alkoxy-carbonyl-C4-alkyl; C10-alkoxy-carbonyl-C4-alkyl; C8-alkyl-carbonyl-C4-alkyl; di-(C5-alkyl)amino-C5-alkyl; C13-alkylamino-C5-alkyl; C6-alkoxy-carbonyl-C4-alkyl; C6-alkyl-carboxy-C4-alkyl; and C16-alkylamino-C5-alkyl. 25. A method for increasing fertility in a horse, comprising: administering a therapeutically effective amount of at least one cationic steroid antimicrobial (CSA) compound of Formula (I), or a pharmaceutically acceptable salt thereof, to a reproductive structure of the horse in need thereof: where,rings A, B, C, and D are independently saturated, or are fully or partially unsaturated, provided that at least two of rings A, B, C, and D are saturated;m, n, p, and q are independently 0 or 1;R1 through R4, R6, R7, R11, R12, R15, R16, and R18 are independently selected from the group consisting of hydrogen, hydroxyl, a substituted or unsubstituted alkyl, a substituted or unsubstituted hydroxyalkyl, a substituted or unsubstituted alkyloxyalkyl, a substituted or unsubstituted alkylcarboxyalkyl, a substituted or unsubstituted alkylaminoalkyl, a substituted or unsubstituted alkylaminoalkylamino, a substituted or unsubstituted alkylaminoalkylamino-alkylamino, a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted arylaminoalkyl, a substituted or unsubstituted haloalkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted alkynyl, oxo, a linking group attached to a second steroid, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted aminoalkyloxyalkyl, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted aminoalkylaminocarbonyl, a substituted or unsubstituted aminoalkylcarboxamido, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, a substituted or unsubstituted azidoalkyloxy, a substituted or unsubstituted cyanoalkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, a substituted or unsubstituted guanidinoalkyloxy, a substituted or unsubstituted quaternary ammonium alkylcarboxy, and a substituted or unsubstituted guanidinoalkyl carboxy, where Q5 is a side chain of an amino acid and P.G. is an amino protecting group; andR5, R8, R9, R10, R13, R14 and R17 are independently deleted when one of rings A, B, C, or D is unsaturated so as to complete the valency of the carbon atom at that site, or when present, R5, R8, R9, R10, R13, and R14 are independently selected from the group consisting of hydrogen, hydroxyl, a substituted or unsubstituted alkyl, a substituted or unsubstituted hydroxyalkyl, a substituted or unsubstituted alkyloxyalkyl, a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted haloalkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted alkynyl, oxo, a linking group attached to a second steroid, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted aminoalkylaminocarbonyl, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, azidoalkyloxy, cyano-alkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, guanidinoalkyloxy, and guanidine-alkylcarboxy, where Q5 is a side chain of an amino acid and P.G. is an amino protecting group,provided that at least two or three of R1-4, R6, R7, R11, R12, R15, R16, R17, and R18 are independently selected from the group consisting of a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted alkylcarboxyalkyl, a substituted or unsubstituted alkylaminoalkylamino, a substituted or unsubstituted alkylaminoalkylamino-alkylamino, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted arylaminoalkyl, a substituted or unsubstituted aminoalkyloxyaminoalkylaminocarbonyl, a substituted or unsubstituted aminoalkylamino-carbonyl, a substituted or unsubstituted aminoalkylcarboxyamido, a quaternaryammoniumalkylcarboxy, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, azidoalkyloxy, cyanoalkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, a substituted or unsubstituted guanidinoalkyloxy, and a substituted or unsubstituted guanidinoalkylcarboxy, andthe at least one CSA compound increasing fertility of the horse. 26. The method as in claim 25, wherein the administered at least one CSA compound, or pharmaceutically acceptable salt thereof, at least partially breaks up a bacterial biofilm associated with the reproductive structure of the horse to increase fertility of the horse. 27. A method as in claim 25, wherein the at least one CSA compound or pharmaceutically acceptable salt thereof is selected from the group consisting of: and pharmaceutically acceptable salts thereof. 28. The method as in claim 25, wherein infertility is caused by metritis or endometritis, and wherein the at least one CSA compound, or pharmaceutically acceptable salt thereof, hastens uterine epithelial cell healing and modulates inflammation. 29. A method for increasing fertility in a mammal, comprising: administering a lavage composition comprising a solvent or liquid carrier and a therapeutically effective amount of at least one cationic steroid antimicrobial (CSA) compound of Formula (I), or a pharmaceutically acceptable salt thereof, to a reproductive structure of a mammal in order to increase fertility of the mammal: where,rings A, B, C, and D are independently saturated, or are fully or partially unsaturated, provided that at least two of rings A, B, C, and D are saturated;m, n, p, and q are independently 0 or 1;R1 through R4, R6, R7, R11, R12, R15, R16, and R18 are independently selected from the group consisting of hydrogen, hydroxyl, a substituted or unsubstituted alkyl, a substituted or unsubstituted hydroxyalkyl, a substituted or unsubstituted alkyloxyalkyl, a substituted or unsubstituted alkylcarboxyalkyl, a substituted or unsubstituted alkylaminoalkyl, a substituted or unsubstituted alkylaminoalkylamino, a substituted or unsubstituted alkylaminoalkylamino-alkylamino, a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted arylaminoalkyl, a substituted or unsubstituted haloalkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted alkynyl, oxo, a linking group attached to a second steroid, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted aminoalkyloxyalkyl, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted aminoalkylaminocarbonyl, a substituted or unsubstituted aminoalkylcarboxamido, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, a substituted or unsubstituted azidoalkyloxy, a substituted or unsubstituted cyanoalkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, a substituted or unsubstituted guanidinoalkyloxy, a substituted or unsubstituted quaternary ammonium alkylcarboxy, and a substituted or unsubstituted guanidinoalkyl carboxy, where Q5 is a side chain of an amino acid and P.G. is an amino protecting group; andR5, R8, R9, R10, R13, R14 and R17 are independently deleted when one of rings A, B, C, or D is unsaturated so as to complete the valency of the carbon atom at that site, or when present, R5, R8, R9, R10, R13, and R14 are independently selected from the group consisting of hydrogen, hydroxyl, a substituted or unsubstituted alkyl, a substituted or unsubstituted hydroxyalkyl, a substituted or unsubstituted alkyloxyalkyl, a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted haloalkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted alkynyl, oxo, a linking group attached to a second steroid, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted aminoalkylaminocarbonyl, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, azidoalkyloxy, cyano-alkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, guanidinoalkyloxy, and guanidine-alkylcarboxy, where Q5 is a side chain of an amino acid and P.G. is an amino protecting group,provided that at least two or three of R1-4, R6, R7, R11, R12, R15, R16, R17, and R18 are independently selected from the group consisting of a substituted or unsubstituted aminoalkyl, a substituted or unsubstituted aminoalkyloxy, a substituted or unsubstituted alkylcarboxyalkyl, a substituted or unsubstituted alkylaminoalkylamino, a substituted or unsubstituted alkylaminoalkylamino-alkylamino, a substituted or unsubstituted aminoalkylcarboxy, a substituted or unsubstituted arylaminoalkyl, a substituted or unsubstituted aminoalkyloxy-aminoalkylaminocarbonyl, a substituted or unsubstituted aminoalkylamino-carbonyl, a substituted or unsubstituted aminoalkylcarboxyamido, a quaternaryammoniumalkylcarboxy, a substituted or unsubstituted di(alkyl)aminoalkyl, H2N—HC(Q5)-C(O)—O—, H2N—HC(Q5)-C(O)—N(H)—, azidoalkyloxy, cyanoalkyloxy, P.G.-HN—HC(Q5)-C(O)—O—, a substituted or unsubstituted guanidinoalkyloxy, and a substituted or unsubstituted guanidinoalkylcarboxy.
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