IP Library Granted Patent US 10,597,354
Granted Patent B2
US 10,597,354 · App. 16/153,193 · Granted Mar 24, 2020

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); Charles B. Duke (Memphis, TN); Christopher C. Coss (Upper Arlington, OH); Amanda Jones (Silver Spring, MI); James T. Dalton (Ann Arbor, MI)
Assignees: UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION; ONCTERNAL THERAPEUTICS, INC
C07C237/20A61P5/28A61P25/00A61P35/00
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Quick Facts
Patent No.
US 10,597,354
App. No.
16/153,193
Granted
Mar 24, 2020
Kind
B2
Abstract

This invention provides novel 3-amino propanamide 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 5 hyperandrogenic 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 or resistance mutations, AR-splice variants (AR-SV), and pathogenic polyglutamine (polyQ) polymorphisms of AR in a subject.

Claims (93)

1. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of a hyperandrogenic hormonal condition in a male in need thereof, comprising administering to the subject a therapeutically effective amount of a selective androgen receptor degrader (SARD) compound represented by the structure of formula IA:

wherein

T is OH, OR, —NHCOCH 3 , or NHCOR;

Z is NO 2 , CN, COOH, COR, NHCOR or CONHR;

Y is CF 3 , F, I, Br, Cl, CN, C(R) 3 or Sn(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, C 1 -C 12 -alkyl, —SO 2 -aryl, —SO 2 -phenyl, —CO-aryl, arylalkyl, benzyl, aryl, or C 3 -C 7 -cycloalkyl;

Q 1 , Q 4 , and Q 5 are each independently selected from hydrogen, substituted or unsubstituted linear or branched alkyl, substituted aryl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted 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;

Q 2 and Q 3 are each independently selected from hydrogen, substituted or unsubstituted linear or branched alkyl, substituted aryl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted 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;

wherein at least two of Q 1 , Q 2 , Q 3 , Q 4 , and Q 5 are not hydrogens; or

Q 1 and Q 2 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring, and Q 3 , Q 4 , and Q 5 are as defined above; or

Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring, and Q 1 , Q 4 , and Q 5 are as defined above; and

wherein said formed carbocyclic or heterocyclic ring is not dihydropyridin-2(1H)-one, pyridin-2(1H)-one or 1H-pyrrole;

or its optical isomer, its racemic mixture, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate, or any combination thereof.

2. The method according to claim 1 , wherein the compound is represented by the structure of formula III:

wherein

Z is NO 2 or CN;

Y is CF 3 , F, I, Br, Cl, or CN;

R 2 is hydrogen, C 1 -C 12 -alkyl, —SO 2 -aryl, —SO 2 -phenyl, —CO-aryl, arylalkyl, benzyl, aryl, or C 3 -C 7 -cycloalkyl;

Q 1 is substituted or unsubstituted aryl, substituted or unsubstituted phenyl, substituted or unsubstituted arylalkyl, F, Cl, Br, I, CF 3 , CN, NO 2 , or substituted or unsubstituted heterocycloalkyl;

Q 2 is hydrogen, substituted aryl, substituted phenyl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, or substituted or unsubstituted arylalkyl;

Q 3 is hydrogen, substituted aryl, substituted phenyl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, or substituted or unsubstituted arylalkyl;

wherein at least one of Q 1 , Q 2 and Q 3 is a substituted aryl, substituted phenyl, or substituted or unsubstituted arylalkyl; or

Q 1 and Q 2 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring and Q 3 is as defined above; or

Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 non-aromatic carbocyclic or a heterocyclic ring and Q 1 is as defined above; and

wherein said formed carbocyclic or heterocyclic ring is not dihydropyridin-2(1H)-one, pyridin-2(1H)-one or 1H-pyrrole;

or its optical isomer, its racemic mixture, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate, or any combination thereof.

3. The method according to claim 1 , wherein Q 1 is CN.

4. The method according to claim 1 , wherein Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 non-aromatic carbocyclic or a substituted or unsubstituted C 5 -C 8 heterocyclic ring.

5. The method according to claim 1 , wherein the compound is represented by the structure of any one of the following compounds:

6. The method according to claim 1 , wherein said condition is hypergonadism, hypersexuality, sexual dysfunction, gynecomastia, precocious puberty in a male, hair loss, hyperandrogenic dermatological disorders, pre-cancerous lesions of the prostate, benign prostate hyperplasia, prostate cancer and/or other androgen-dependent cancers.

7. A method of treating prostate cancer in a subject in need thereof, wherein said subject has AR overexpressing prostate cancer, castration-resistant prostate cancer, castration-sensitive prostate cancer, AR-V7 expressing prostate cancer, or d567ES expressing prostate cancer, comprising administering to the subject a therapeutically effective amount of a selective androgen receptor degrader (SARD) compound represented by the structure of formula IA:

wherein

T is OH, OR, —NHCOCH 3 , or NHCOR;

Z is NO 2 , CN, COOH, COR, NHCOR or CONHR;

Y is CF 3 , F, I, Br, Cl, CN, C(R) 3 or Sn(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, C 1 -C 12 -alkyl, —SO 2 -aryl, —SO 2 -phenyl, —CO-aryl, arylalkyl, benzyl, aryl, or C 3 -C 7 -cycloalkyl;

Q 1 , Q 2 , Q 3 , Q 4 , and Q 5 are each independently selected from hydrogen, substituted or unsubstituted linear or branched alkyl, substituted or unsubstituted aryl, substituted or unsubstituted phenyl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted 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; or its isomer, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate or any combination thereof;

wherein at least two of Q 1 , Q 2 , Q 3 , Q 4 , and Q 5 are not hydrogens; or

Q 1 and Q 2 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring, and Q 3 , Q 4 , and Q 5 are as defined above; or

Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring, and Q 1 , Q 4 , and Q 5 are as defined above; and

wherein said formed carbocyclic or heterocyclic ring is not dihydropyridin-2(1H)-one, pyridin-2(1H)-one or 1H-pyrrole.

8. The method according to claim 7 , represented by the structure of formula III:

wherein

Z is NO 2 or CN;

Y is CF 3 , F, I, Br, Cl, or CN;

R 2 is hydrogen, C 1 -C 12 -alkyl, —SO 2 -aryl, —SO 2 -phenyl, —CO-aryl, arylalkyl, benzyl, aryl, or C 3 -C 7 -cycloalkyl Q 1 is substituted or unsubstituted aryl, substituted or unsubstituted phenyl, substituted or unsubstituted arylalkyl, CN, or NO 2 ;

Q 2 is hydrogen, substituted or unsubstituted aryl, substituted or unsubstituted phenyl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, or substituted or unsubstituted arylalkyl;

Q 3 is hydrogen, substituted or unsubstituted aryl, substituted or unsubstituted phenyl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, or substituted or unsubstituted arylalkyl;

wherein at least one of Q 2 and Q 3 is a substituted or unsubstituted aryl, substituted or unsubstituted phenyl, or substituted or unsubstituted arylalkyl; or

Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring and Q 1 is as defined above;

or its optical isomer, its racemic mixture, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate, or any combination thereof.

9. The method according to claim 7 , wherein Q 1 is CN.

10. The method according to claim 7 , wherein Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 non-aromatic carbocyclic or a substituted or unsubstituted C 5 -C 8 heterocyclic ring.

11. The method according to claim 7 , represented by the structure of any one of the following compounds:

12. The method of claim 7 , wherein said castration-resistant prostate cancer is AR overexpressing castration-resistant prostate cancer, F876L mutation expressing castration-resistant prostate cancer, F876L_T877A double mutation expressing castration-resistant prostate cancer, AR-V7 expressing castration-resistant prostate cancer, d567ES expressing castration-resistant prostate cancer, and/or castration-resistant prostate cancer characterized by intratumoral androgen synthesis.

13. The method of claim 7 , wherein said castration-sensitive prostate cancer is F876L mutation expressing castration-sensitive prostate cancer, F876L_T877A double mutation castration-sensitive prostate cancer, and/or castration-sensitive prostate cancer characterized by intratumoral androgen synthesis.

14. The method of claim 7 , wherein said treating of castration-sensitive prostate cancer is conducted in a non-castrate setting, or as monotherapy, or when said castration-sensitive prostate cancer tumor is resistant to enzalutamide, apalutamide, and/or abiraterone.

15. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting triple negative breast cancer in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a selective androgen receptor degrader (SARD) compound represented by the structure of formula IA:

wherein

T is OH, OR, —NHCOCH 3 , or NHCOR;

Z is NO 2 , CN, COOH, COR, NHCOR or CONHR;

Y is CF 3 , F, I, Br, Cl, CN, C(R) 3 or Sn(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, C 1 -C 12 -alkyl, —SO 2 -aryl, —SO 2 -phenyl, —CO-aryl, arylalkyl, benzyl, aryl, or C 3 -C 7 -cycloalkyl;

Q 1 , Q 4 , and Q 5 are each independently selected from hydrogen, substituted or unsubstituted linear or branched alkyl, substituted aryl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted 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;

Q 2 and Q 3 are each independently selected from hydrogen, substituted or unsubstituted linear or branched alkyl, substituted aryl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted 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;

wherein at least two of Q 1 , Q 2 , Q 3 , Q 4 , and Q 5 are not hydrogens; or

Q 1 and Q 2 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring, and Q 3 , Q 4 , and Q 5 are as defined above; or

Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring, and Q 1 , Q 4 , and Q 5 are as defined above; and

wherein said formed carbocyclic or heterocyclic ring is not dihydropyridin-2(1H)-one, pyridin-2(1H)-one or 1H-pyrrole;

or its optical isomer, its racemic mixture, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate, or any combination thereof.

16. The method according to claim 15 , wherein the compound is represented by the structure of formula III:

wherein

Z is NO 2 or CN;

Y is CF 3 , F, I, Br, Cl, or CN;

R 2 is hydrogen, C 1 -C 12 -alkyl, —SO 2 -aryl, —SO 2 -phenyl, —CO-aryl, arylalkyl, benzyl, aryl, or C 3 -C 7 -cycloalkyl;

Q 1 is substituted or unsubstituted aryl, substituted or unsubstituted phenyl, substituted or unsubstituted arylalkyl, F, Cl, Br, I, CF 3 , CN, NO 2 , or substituted or unsubstituted heterocycloalkyl;

Q 2 is hydrogen, substituted aryl, substituted phenyl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, or substituted or unsubstituted arylalkyl;

Q 3 is hydrogen, substituted aryl, substituted phenyl, F, Cl, Br, I, CF 3 , CN, NO 2 , substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, or substituted or unsubstituted arylalkyl;

wherein at least one of Q 1 , Q 2 and Q 3 is a substituted aryl, substituted phenyl, or substituted or unsubstituted arylalkyl; or

Q 1 and Q 2 are joined together to form a substituted or unsubstituted C 5 -C 8 carbocyclic or heterocyclic ring and Q 3 is as defined above; or

Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 non-aromatic carbocyclic or a heterocyclic ring and Q 1 is as defined above; and

wherein said formed carbocyclic or heterocyclic ring is not dihydropyridin-2(1H)-one, pyridin-2(1H)-one or 1H-pyrrole;

or its optical isomer, its racemic mixture, pharmaceutically acceptable salt, pharmaceutical product, polymorph, hydrate, or any combination thereof.

17. The method according to claim 15 , wherein Q 1 is CN.

18. The method according to claim 15 , wherein Q 2 and Q 3 are joined together to form a substituted or unsubstituted C 5 -C 8 non-aromatic carbocyclic or a substituted or unsubstituted C 5 -C 8 heterocyclic ring.

19. The method according to claim 15 , wherein the compound is represented by the structure of any one of the following compounds:

20. A method of treating, suppressing, reducing the incidence, reducing the severity, or inhibiting the progression of a hyperandrogenic hormonal condition in a male in need thereof; prostate cancer in a subject in need thereof, wherein said subject has AR overexpressing prostate cancer, castration-resistant prostate cancer, castration-sensitive prostate cancer, AR-V7 expressing prostate cancer, or d567ES expressing prostate cancer; or triple negative breast cancer in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a selective androgen receptor degrader (SARD) compound represented by the structure:

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 Nov 20, 2018
From: NARAYANAN, RAMESH; COSS, CHRISTOPHER C.; JONES, AMANDA; DALTON, JAMES T.
To: GTX, INC.
Reel/Frame 047553/0534 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 20, 2018
From: MILLER, DUANE D.; PONNUSAMY, THAMARAI; HWANG, DONG-JIN; DUKE, CHARLES B.
To: UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION
Reel/Frame 047554/0045 →
Continuity (6)
Continuation 15830688 · Dec 4, 2017
Continuation In Part 15331751 · Oct 21, 2016
Continuation In Part 15135151 · Apr 21, 2016
Provisional Application 62220094 · Sep 17, 2015
Provisional Application 62150768 · Apr 21, 2015
Related Publication 20190040000A1 · Feb 7, 2019
Cited By (2)
US 12,202,815 US 12,215,086