IP Library Granted Patent US 9,814,698
Granted Patent B2
US 9,814,698 · App. 15/135,334 · Granted Nov 14, 2017

Selective androgen receptor degrader (SARD) ligands and methods of use thereof

Inventors: Ramesh Narayanan (Cordova, TN); Duane D. Miller (Collierville, TN); Thamarai Ponnusamy (Memphis, TN); Dong-Jin Hwang (Arlington, TN); Jayaprakash Pagadala (Boca Raton, FL); Charles B. Duke (Memphis, TN); Christopher C. Coss (Upper Arlington, OH); James T. Dalton (Ann Arbor, MI); Yali He (Germantown, TN)
Assignees: UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION; GTX, INC.
A61K31/404A61K9/0014A61K31/403A61K31/416A61K31/4184A61K31/437A61K31/47A61K31/472
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Quick Facts
Patent No.
US 9,814,698
App. No.
15/135,334
Granted
Nov 14, 2017
Kind
B2
Abstract

This invention provides novel indole, indazole, benzimidazole, indoline, quinolone, isoquinoline, and carbazole selective androgen receptor degrader (SARD) compounds, pharmaceutical compositions and uses thereof in treating prostate cancer, advanced prostate cancer, castration resistant prostate cancer, androgenic alopecia or other hyper androgenic dermal diseases, Kennedy's disease, amyotrophic lateral sclerosis (ALS), and uterine fibroids, and to methods for reducing the levels of androgen receptor-full length (AR-FL) including pathogenic and/or resistance mutations, AR-splice variants (AR-SV), and pathogenic polyglutamine (polyQ) polymorphisms of AR in a subject.

Claims (80)

1. A selective androgen receptor degrader (SARD) compound represented by the structure of formula I:

wherein

W 1 and W 2 are each independently selected from N or CH;

W 3 , W 4 , W 5 and W 6 are each CH;

wherein if any one of W 1 , W 2 , W 3 , W 4 , W 5 , and W 6 is CH, then the H is optionally replaced with R 4 , Q or R 3 in the respective position, and if any one of W 1 , W 2 , W 3 , W 4 , W 5 , and W 6 is not CH, then the respective position is unsubstituted;

T is OH, OR, —NHCOCH 3 , NHCOR or

Z is CN at the para-position;

Y is CF 3 , F, I, Br, Cl, CN or C(R) 3 ;

R is alkyl, haloalkyl, dihaloalkyl, trihaloalkyl, CH 2 F, CHF 2 , CF 3 , CF 2 CF 3 , aryl, phenyl, F, Cl, Br, I, alkenyl or OH;

R 1 is CH 3 , CH 2 F, CHF 2 , CF 3 , CH 2 CH 3 , or CF 2 CF 3 ;

R 2 is hydrogen, halogen, CN, NO 2 , COOH, COOR, COR, NHCOR, CONHR, OH, OR, SH, SR, NH 2 , NHR, NR 2 , C 1 -C 12 -alkyl, C 1 -C 12 -haloalkyl, O—C 1 -C 12 -alkyl, O—C 1 -C 12 -haloalkyl, —SO 2 -aryl, —SO 2 -phenyl, —CO-aryl, arylalkyl, benzyl, aryl, or C 3 -C 7 -cycloalkyl;

Q is hydrogen, F, Cl, Br, I, CF 3 , CN, NO 2 , COOH, COOR, alkoxy, haloalkyl, optionally substituted linear or branched alkyl, optionally substituted linear or branched heteroalkyl, optionally substituted aryl, optionally substituted phenyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted arylalkyl, C(R) 3 , N(R) 2 , NHCOCH 3 , NHCOCF 3 , NHCOR, NHCONHR, NHCOOR, OCONHR, CONHR, NHCSCH 3 , NHCSCF 3 , NHCSR, NHSO 2 CH 3 , NHSO 2 R, OR, COR, OCOR, OSO 2 R, SO 2 R, SR, NCS, SCN, NCO or OCN;

R 3 is hydrogen, F, Cl, Br, I, CF 3 , CN, NO 2 , NH 2 , SH, COOH, COOR, alkoxy, haloalkyl, optionally substituted linear or branched alkyl, optionally substituted linear or branched heteroalkyl, optionally substituted aryl, optionally substituted phenyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted arylalkyl, C(R) 3 , N(R) 2 , NHCOCH 3 , NHCOCF 3 , NHCOR, NHCONHR, NHCOOR, OCONHR, CONHR, NHCSCH 3 , NHCSCF 3 , NHCSR, NHSO 2 CH 3 , NHSO 2 R, OR, COR, OCOR, OSO 2 R, SO 2 R, SR, NCS, SCN, NCO or OCN;

R 4 is hydrogen, F, Cl, Br, I, CF 3 , CN, NO 2 , NH 2 , SH, COOH, COOR, alkoxy, haloalkyl, optionally substituted linear or branched alkyl, optionally substituted linear or branched heteroalkyl, optionally substituted aryl, optionally substituted phenyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted arylalkyl, C(R) 3 , N(R) 2 , NHCOCH 3 , NHCOCF 3 , NHCOR, NHCONHR, NHCOOR, OCONHR, CONHR, NHCSCH 3 , NHCSCF 3 , NHCSR, NHSO 2 CH 3 , NHSO 2 R, OR, COR, OCOR, OSO 2 R, SO 2 R, SR, NCS, SCN, NCO or OCN;

n is an integer between 1-3; and

m is an integer between 1-3.

2. The SARD compound according to claim 1 , wherein W 2 is N and W 1 , W 3 , W 4 , W 5 , and W 6 are CH.

3. The SARD compound according to claim 1 , wherein W 1 is N and W 2 , W 3 , W 4 , W 5 , and W 6 are CH.

4. The SARD compound according to claim 1 , represented by the structure of formula III:

5. The SARD compound of claim 1 , wherein Q is H, NO 2 , COR, alkyl, alkoxy, aryl, CN, CF 3 , F, Cl, Br or I.

6. The SARD compound of claim 1 , wherein Z is CN.

7. The SARD compound of claim 1 , wherein Y is Cl or CF 3 .

8. The SARD compound of claim 1 , represented by the structure of the following compounds:

Benzimidazoles:

Indazoles:

9. A pharmaceutical composition comprising a SARD compound according to claim 1 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof, and a pharmaceutically acceptable carrier.

10. The pharmaceutical composition of claim 9 , wherein said composition is formulated for topical use.

11. The pharmaceutical composition of claim 9 , wherein said composition is in the form of a solution, lotion, salve, cream, ointment, liposome, spray, gel, foam, roller stick, cleansing soap or bar, emulsion, mousse, aerosol, shampoo, or any combination thereof.

12. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of prostate cancer (PCa) and its symptoms, or increasing the survival of a male subject suffering from prostate cancer comprising administering to said subject a therapeutically effective amount of a compound according to claim 1 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

13. The method of claim 12 , wherein the prostate cancer is advanced prostate cancer, castration resistant prostate cancer (CRPC), metastatic CRPC (mCRPC), non-metastatic CRPC (nmCRPC), high-risk nmCRPC or any combination thereof.

14. The method of claim 12 , wherein said subject further receives androgen deprivation therapy (ADT).

15. The method of claim 12 , wherein said subject has failed androgen deprivation therapy (ADT).

16. The method of claim 12 , wherein said cancer is resistant to treatment with an androgen receptor antagonist or lyase inhibitor.

17. The method of claim 12 , wherein said administering reduces the levels of AR, AR-full length (AR-FL), AR-FL with anti-androgen resistance-conferring AR-LBD mutations, AR-splice variant (AR-SV), or any combination thereof, in said subject.

18. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of acne in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 1 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

19. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of hirsutism in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 1 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

20. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of alopecia in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 1 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

21. The method of claim 20 , wherein said alopecia is androgenic alopecia, alopecia areata, alopecia secondary to chemotherapy, alopecia secondary to radiation therapy, alopecia induced by scarring, alopecia induced by stress or any combination thereof.

22. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of androgen insensitivity syndrome in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 1 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

23. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of cancer in a subject, comprising administering to said subject a therapeutically effective amount of the compound of 1, or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

24. The method of claim 23 , wherein said cancer is breast cancer, testicular cancer, uterine cancer, ovarian cancer, urogenital cancer, brain cancer, skin cancer, lymphoma, liver cancer, renal cancer, osteosarcoma, pancreatic cancer, endometrial cancer, lung cancer, non-small cell lung cancer (NSCLC), colon cancer, perianal adenomas, central nervous system cancer, or any combination thereof.

25. A selective androgen receptor degrader (SARD) compound represented by the structure of formula V:

wherein

T is OH, OR, —NHCOCH 3 , NHCOR or

Z is CN and at the para-position;

Y is CF 3 , F, I, Br, Cl, CN or C(R) 3 ;

R is alkyl, haloalkyl, dihaloalkyl, trihaloalkyl, CH 2 F, CHF 2 , CF 3 , CF 2 CF 3 , aryl, phenyl, F, Cl, Br, I, alkenyl or OH;

R 1 is CH 3 , CH 2 F, CHF 2 , CF 3 , CH 2 CH 3 , or CF 2 CF 3 ;

R 2 is hydrogen, halogen, CN, NO 2 , COOH, COOR, COR, NHCOR, CONHR, OH, OR, SH, SR, NH 2 , NHR, NR 2 , C 1 -C 12 -alkyl, C 1 -C 12 -haloalkyl, O—C 1 -C 12 -alkyl, O—C 1 -C 12 -haloalkyl, —SO 2 -aryl, —SO 2 -phenyl, —CO-aryl, arylalkyl, benzyl, aryl, or C 3 -C 7 -cycloalkyl;

Q is hydrogen, F, Cl, Br, I, CF 3 , CN, NO 2 , COOH, COOR, alkoxy, haloalkyl, optionally substituted linear or branched alkyl, optionally substituted linear or branched heteroalkyl, optionally substituted aryl, optionally substituted phenyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted arylalkyl, C(R) 3 , N(R) 2 , NHCOCH 3 , NHCOCF 3 , NHCOR, NHCONHR, NHCOOR, OCONHR, CONHR, NHCSCH 3 , NHCSCF 3 , NHCSR, NHSO 2 CH 3 , NHSO 2 R, OR, COR, OCOR, OSO 2 R, SO 2 R, SR, NCS, SCN, NCO or OCN;

R 3 is hydrogen, F, Cl, Br, I, CF 3 , CN, NO 2 , NH 2 , SH, COOH, COOR, alkoxy, haloalkyl, optionally substituted linear or branched alkyl, optionally substituted linear or branched heteroalkyl, optionally substituted aryl, optionally substituted phenyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted arylalkyl, C(R) 3 , N(R) 2 , NHCOCH 3 , NHCOCF 3 , NHCOR, NHCONHR, NHCOOR, OCONHR, CONHR, NHCSCH 3 , NHCSCF 3 , NHCSR, NHSO 2 CH 3 , NHSO 2 R, OR, COR, OCOR, OSO 2 R, SO 2 R, SR, NCS, SCN, NCO or OCN;

R 4 is hydrogen, F, Cl, Br, I, CF 3 , CN, NO 2 , NH 2 , SH, COOH, COOR, keto (═O), alkoxy, haloalkyl, optionally substituted linear or branched alkyl, optionally substituted linear or branched heteroalkyl, optionally substituted aryl, optionally substituted phenyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted arylalkyl, C(R) 3 , N(R) 2 , NHCOCH 3 , NHCOCF 3 , NHCOR, NHCONHR, NHCOOR, OCONHR, CONHR, NHCSCH 3 , NHCSCF 3 , NHCSR, NHSO 2 CH 3 , NHSO 2 R, OR, COR, OCOR, OSO 2 R, SO 2 R, SR, NCS, SCN, NCO or OCN;

n is an integer between 1-3;

m is an integer between 1-3;

1 is 0 or 1; and

k is 0, 1 or 2.

26. The SARD compound of claim 25 , wherein said compound is represented by the structure of formula VI:

27. The SARD compound of claim 25 , wherein said compound is represented by the structure of formula VII:

28. The SARD compound of claim 25 , wherein said compound is represented by the structure of formula IV:

29. The SARD compound of claim 25 , wherein Q is hydrogen, F, Cl, Br, CN, NO 2 , or phenyl.

30. The SARD compound of claim 25 , wherein said compound is represented by the following structures:

Indolines

Isoquinolines and Quinolines

31. A pharmaceutical composition comprising a SARD compound according to claim 25 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof, and a pharmaceutically acceptable carrier.

32. The pharmaceutical composition of claim 31 , wherein said composition is formulated for topical use.

33. The pharmaceutical composition of claim 31 , wherein said composition is in the form of a solution, lotion, salve, cream, ointment, liposome, spray, gel, foam, roller stick, cleansing soap or bar, emulsion, mousse, aerosol, shampoo, or any combination thereof.

34. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of prostate cancer (PCa) and its symptoms, or increasing the survival of a male subject suffering from prostate cancer comprising administering to said subject a therapeutically effective amount of a compound according to claim 25 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

35. The method of claim 34 , wherein the prostate cancer is advanced prostate cancer, castration resistant prostate cancer (CRPC), metastatic CRPC (mCRPC), non-metastatic CRPC (nmCRPC), high-risk nmCRPC or any combination thereof.

36. The method of claim 34 wherein said subject further receives androgen deprivation therapy (ADT).

37. The method of claim 34 , wherein said subject has failed androgen deprivation therapy (ADT).

38. The method of claim 34 , wherein said cancer is resistant to treatment with an androgen receptor antagonist or lyase inhibitor.

39. The method of claim 34 , wherein said administering reduces the levels of AR, AR-full length (AR-FL), AR-FL with anti-androgen resistance-conferring AR-LBD mutations, AR-splice variant (AR-SV), or any combination thereof, in said subject.

40. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of acne in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 25 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

41. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of hirsutism in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 25 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

42. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of alopecia in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 25 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

43. The method of claim 42 , wherein said alopecia is androgenic alopecia, alopecia areata, alopecia secondary to chemotherapy, alopecia secondary to radiation therapy, alopecia induced by scarring, alopecia induced by stress or any combination thereof.

44. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of androgen insensitivity syndrome in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 25 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

45. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of cancer in a subject, comprising administering to said subject a therapeutically effective amount of the compound of claim 25 , or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof.

46. The method of claim 45 , wherein said cancer is breast cancer, testicular cancer, uterine cancer, ovarian cancer, urogenital cancer, brain cancer, skin cancer, lymphoma, liver cancer, renal cancer, osteosarcoma, pancreatic cancer, endometrial cancer, lung cancer, non-small cell lung cancer (NSCLC), colon cancer, perianal adenoma, central nervous system cancer, or any combination thereof.

47. The SARD compound according to claim 1 , wherein W 1 , W 2 , W 3 , W 4 , W 5 , and W 6 are CH.

Assignments (3)
CHANGE OF NAME Recorded Jul 4, 2019
From: GTX, INC.
To: ONCTERNAL THERAPEUTICS, INC
Reel/Frame 049679/0298 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 3, 2016
From: COSS, CHRISTOPHER C.; DALTON, JAMES T.
To: GTX, INC.
Reel/Frame 040212/0359 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 3, 2016
From: NARAYANAN, RAMESH; MILLER, DUANE D.; PONNUSAMY, THAMARAI; HWANG, DONG-JIN; PAGADALA, JAYAPRAKASH; DUKE, CHARLES B.; HE, YALI
To: UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION
Reel/Frame 039926/0208 →
Continuity (6)
Provisional Application 62150763 · Apr 21, 2015
Provisional Application 62220057 · Sep 17, 2015
Provisional Application 62220187 · Sep 17, 2015
Provisional Application 62219859 · Sep 17, 2015
Provisional Application 62241532 · Oct 14, 2015
Related Publication 20170095446A1 · Apr 6, 2017