COMBINATIONS OF STAT-INHIBITORS AND IMMUNE CHECKPOINT INHIBITORS FOR THE TREATMENT AND/OR MANAGEMENT OF CANCER

1 . A compound of Formula (I):

or a pharmaceutically acceptable salt thereof, wherein

R is selected from the group consisting of hydrogen, phenylsulfanyl, 2-hydroxy-naphthalen-1-yl, quinolin-8-ylsulfanyl, triazol-3-yl sulfanyl, and benzothiazol-2-ylsulfanyl;

R 1 is selected from the group consisting of hydrogen, methyl, chloro, bromo, methoxy, ethoxy, tert-butyl, nitro, methyl ester, acetamide, 1,4 dioxine, fluoro, trifluoro methoxy, acetyl, trifluoro methyl, propyl, cyclohexene, methoxy-phenoxy, chloro phenoxy, tolyloxy, and phenoxy;

and an immune checkpoint inhibitor, for use in treating cancer in a subject in need thereof, comprising:

a) orally administering to the subject an effective amount of the compound of Formula (I) or a pharmaceutically acceptable salt thereof, and

b) administering to the subject an effective amount of the immune checkpoint inhibitor.

2 . The compound and immune checkpoint inhibitor for use of claim 1 , wherein the compound of Formula (I) inhibits signal transducer and activator of transcription 3 (STAT3).

3 . The compound and immune checkpoint inhibitor for use of claim 1 , wherein the compound of Formula (I) inhibits signal transducer and activator of transcription 1 (STAT1).

4 . The compound and immune checkpoint inhibitor for use of claim 1 , wherein the compound of Formula (I) inhibits signal transducer and activator of transcription 5 (STAT5).

5 . The compound and immune checkpoint inhibitor for use of claim 1 , wherein the compound of Formula (I) is N-(1′,2-dihydroxy-1,2′-binaphthalen-4′-yl)-4-methoxybenzenesulfonamide, N-(3, 1′-Dihydroxy-[1,2′]binaphthalenyl-4′-yl)-4-methoxy-benzenesulfonamide, N-(4,1′-Dihydroxy-[1,2′]binaphthalenyl-4′-yl)-4-methoxy-benzenesulfonamide, N-(5,1′-Dihydroxy-[1,2′]binaphthalenyl-4′-yl)-4-methoxy-benzenesulfonamide, N-(6,1′-Dihydroxy-[1,2′]binaphthalenyl-4′-yl)-4-methoxy-benzenesulfonamide, N-(7,1′-Dihydroxy-[1,2′]binaphthalenyl-4′-yl)-4-methoxy-benzenesulfonamide, N-(8,1′-Dihydroxy-[1,2′]binaphthalenyl-4′-yl)-4-methoxy-benzenesulfonamide, 4-Bromo-N-(1,6′-dihydroxy-[2,2′] binaphthalenyl-4-yl)-benzenesulfonamide, or 4-Bromo-N-[4-hydroxy-3-(1H-[1,2,4]triazol-3-ylsulfanyl)-naphthalen-1-yl]-benzenesulfonamide, or a pharmaceutically acceptable salt thereof.

6 . The compound and immune checkpoint inhibitor for use of claim 5 , wherein the compound of Formula (I) is N-(1′,2-dihydroxy-1,2′-binaphthalen-4′-yl)-4-methoxybenzenesulfonamide.

7 . The compound and immune checkpoint inhibitor for use of claim 1 , wherein the immune checkpoint inhibitor is a PD-1 inhibitor or a PD-L1 inhibitor.

8 . The compound and immune checkpoint inhibitor for use of claim 7 , wherein the PD-1 inhibitor is an anti-PD-1 antibody.

9 . The compound and immune checkpoint inhibitor for use of claim 8 , wherein the anti-PD-1 antibody is cemiplimab, nivolumab, pembrolizumab, pidilizumab, spartalizumab, camrelizumab, sintilimab, tislelizumab, toripalimab, dostarlimab, sasanlimab, retifanlimab, tebotelimab, ABBV-181, AK104, AK105, BCD-100, BI-754091, CBT-501, CC-90006, GLS-010, HLX10, IBI-308, JNJ-3283, JS001, LZM009, MEDI0680 (AMP-514), REGN-2810, SHR-1210, Sym021, TSR-042, or XmAb20717.

10 . The compound and immune checkpoint inhibitor for use of claim 9 , wherein the anti-PD-1 antibody is pembrolizumab.

11 . The compound and immune checkpoint inhibitor for use of claim 7 , wherein the PD-L1 inhibitor is an anti-PD-L1 antibody.

12 . The compound and immune checkpoint inhibitor for use of claim 11 , wherein the anti-PD-L1 antibody is atezolizumab, avelumab, durvalumab, envafolimab, FS118, BCD-135, BGB-A333, BGBA-317, CBT-502, CK-301, CS1001, FAZ053, MDX-1105, MSB2311, SHR-1316, M7824, LY3415244, CA-170, or CX-072.

13 . The compound and immune checkpoint inhibitor for use of any one of claims 1-12 , wherein the immune checkpoint inhibitor is administered prior to administration of the compound of Formula (I).

14 . The compound and immune checkpoint inhibitor for use of any one of claims 1-12 , wherein the immune checkpoint inhibitor is administered concomitantly with administration of the compound of Formula (I).

15 . The compound and immune checkpoint inhibitor for use of any one of claims 1-12 , wherein the immune checkpoint inhibitor is administered subsequently to administration of the compound of Formula (I).

16 . The compound and immune checkpoint inhibitor for use of any one of claims 1-15 , wherein after three weeks or more of administration of the compound of Formula (I) and the immune checkpoint inhibitor, the subject has at least a partial remission.

17 . The compound and immune checkpoint inhibitor for use of any one of claims 1-16 , wherein after six weeks or more of administration of the compound of Formula (I) and the immune checkpoint inhibitor, the subject has complete remission.

18 . The compound and immune checkpoint inhibitor for use of any one of claims 1-17 , wherein the method reduces tumor size by at least 20% more within six weeks of administration relative to a subject administered immune checkpoint inhibitor alone.

19 . A compound of Formula (I):

or a pharmaceutically acceptable salt thereof, wherein

R is selected from the group consisting of hydrogen, phenylsulfanyl, 2-hydroxy-naphthalen-1-yl, quinolin-8-ylsulfanyl, triazol-3-yl sulfanyl, and benzothiazol-2-ylsulfanyl;

R 1 is selected from the group consisting of hydrogen, methyl, chloro, bromo, methoxy, ethoxy, tert-butyl, nitro, methyl ester, acetamide, 1,4 dioxine, fluoro, trifluoro methoxy, acetyl, trifluoro methyl, propyl, cyclohexene, methoxy-phenoxy, chloro phenoxy, tolyloxy, and phenoxy;

and an immune checkpoint inhibitor, for use in a method of reducing the risk of recurrence of a cancer in a subject in need thereof, comprising:

a) orally administering to the subject an effective amount of the compound of Formula (I), or a pharmaceutically acceptable salt thereof, and

b) administering to the subject an effective amount of the immune checkpoint inhibitor.

20 . A compound of Formula (I):

or a pharmaceutically acceptable salt thereof, wherein

R is selected from the group consisting of hydrogen, phenylsulfanyl, 2-hydroxy-naphthalen-1-yl, quinolin-8-ylsulfanyl, triazol-3-yl sulfanyl, and benzothiazol-2-ylsulfanyl;

R 1 is selected from the group consisting of hydrogen, methyl, chloro, bromo, methoxy, ethoxy, tert-butyl, nitro, methyl ester, acetamide, 1,4 dioxine, fluoro, trifluoro methoxy, acetyl, trifluoro methyl, propyl, cyclohexene, methoxy-phenoxy, chloro phenoxy, tolyloxy, and phenoxy;

and an immune checkpoint inhibitor, for use in a method of preventing recurrence of a cancer in a subject in need thereof, comprising:

a) orally administering to the subject an effective amount of the compound of Formula (I), or a pharmaceutically acceptable salt thereof, and

b) administering to the subject an effective amount of the immune checkpoint inhibitor.

21 . The compound and immune checkpoint inhibitor for use of claim 19 or 20 , wherein the immune checkpoint inhibitor is parenterally administered to the subject.

22 . A compound of Formula (II):

or a pharmaceutically acceptable salt thereof, wherein

each occurrence of R 1 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)ORa, NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, optionally substituted aryl, or optionally substituted heterocycle;

n 1 is 0, 1, 2, 3, or 4;

each occurrence of R 2 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)ORa, NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, cycloalkenyl, optionally substituted aryl, optionally substituted aryloxyl, or optionally substituted

n 2 is 0, 1, 2, 3, 4, or 5;

R 3 is hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, OC(═O)R a , alkyl, alkenyl, cycloalkyl, or optionally substituted aryl or heteroaryl;

R 4 is hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, NRbRc, OC(═O)Ra, alkyl, alkenyl, or cycloalkyl;

each occurrence of R 5 , R 6 , and R 7 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)ORa, NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, optionally substituted aryl, or optionally substituted heterocycle;

n 3 is 0, 1, 2, 3, or 4; and

each occurrence of Ra, Rb, and Rc is independently hydrogen, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, heterocycle, or aryl; or Rb and Rc together with the nitrogen atom to which they are bonded optionally form a heterocycle comprising 1-4 heteroatoms; and

an immune checkpoint inhibitor, for use in treating cancer in a subject in need thereof, comprising administering to the subject:

a) an effective amount of the compound of Formula (II), or a pharmaceutically acceptable salt thereof, and

b) an effective amount of the immune checkpoint inhibitor.

23 . The compound and immune checkpoint inhibitor for use of claim 22 , wherein the compound of Formula (II) inhibits signal transducer and activator of transcription 3 (STAT3).

24 . The compound and immune checkpoint inhibitor for use of claim 22 , wherein the compound of Formula (II) inhibits signal transducer and activator of transcription 1 (STAT1).

25 . The compound and immune checkpoint inhibitor for use of claim 22 , wherein the compound of Formula (II) inhibits signal transducer and activator of transcription 5 (STAT5).

26 . The compound and immune checkpoint inhibitor for use of claim 22 , wherein the compound of Formula (II) is a compound of Formula (III):

or a pharmaceutically acceptable salt thereof.

27 . The compound and immune checkpoint inhibitor for use of claim 26 , wherein the compound of Formula (III) is a compound of Formula (IV):

or a pharmaceutically acceptable salt thereof.

28 . The compound and immune checkpoint inhibitor for use of any one of claims 22-27 , wherein the immune checkpoint inhibitor is a PD-1 inhibitor or a PD-L1 inhibitor.

29 . The compound and immune checkpoint inhibitor for use of claim 28 , wherein the PD-1 inhibitor is an anti-PD-1 antibody.

30 . The compound and immune checkpoint inhibitor for use of claim 29 , wherein the anti-PD-1 antibody is cemiplimab, nivolumab, pembrolizumab, pidilizumab, spartalizumab, camrelizumab, sintilimab, tislelizumab, toripalimab, dostarlimab, sasanlimab, retifanlimab, tebotelimab, ABBV-181, AK104, AK105, BCD-100, BI-754091, CBT-501, CC-90006, GLS-010, HLX10, IBI-308, JNJ-3283, JS001, LZM009, MEDI0680 (AMP-514), REGN-2810, SHR-1210, Sym021, TSR-042, or XmAb20717.

31 . The compound and immune checkpoint inhibitor for use of claim 30 , wherein the anti-PD-1 antibody is pembrolizumab.

32 . The compound and immune checkpoint inhibitor for use of claim 28 , wherein the PD-L1 inhibitor is an anti-PD-L1 antibody.

33 . The compound and immune checkpoint inhibitor for use of claim 32 , wherein the anti-PD-L1 antibody is atezolizumab, avelumab, durvalumab, envafolimab, FS118, BCD-135, BGB-A333, BGBA-317, CBT-502, CK-301, CS1001, FAZ053, MDX-1105, MSB2311, SHR-1316, M7824, LY3415244, CA-170, or CX-072.

34 . The compound and immune checkpoint inhibitor for use of any one of claims 22-33 , wherein the immune checkpoint inhibitor is administered prior to administration of the compound of Formula (II).

35 . The compound and immune checkpoint inhibitor for use of any one of claims 22-33 , wherein the immune checkpoint inhibitor is administered concomitantly with administration of the compound of Formula (II).

36 . The compound and immune checkpoint inhibitor for use of any one of claims 22-33 , wherein the immune checkpoint inhibitor is administered subsequently to administration of the compound of Formula (II).

37 . The compound and immune checkpoint inhibitor for use of any one of claims 22-36 , wherein the compound of Formula (II) is administered orally to the subject.

38 . A compound of Formula (II):

or a pharmaceutically acceptable salt thereof, wherein

each occurrence of R 1 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)OR a , NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, optionally substituted aryl, or optionally substituted heterocycle;

n 1 is 0, 1, 2, 3, or 4;

each occurrence of R 2 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)OR a , NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, cycloalkenyl, optionally substituted aryl, optionally substituted aryloxyl, or optionally substituted

n 2 is 0, 1, 2, 3, 4, or 5;

R 3 is hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, OC(═O)Ra, alkyl, alkenyl, cycloalkyl, or optionally substituted aryl or heteroaryl;

R 4 is hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, NRbRc, OC(═O)Ra, alkyl, alkenyl, or cycloalkyl;

each occurrence of R 5 , R 6 , and R 7 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)ORa, NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, optionally substituted aryl, or optionally substituted heterocycle;

n 3 is 0, 1, 2, 3, or 4; and

each occurrence of Ra, Rb, and Rc is independently hydrogen, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, heterocycle, or aryl; or Rb and Rc together with the nitrogen atom to which they are bonded optionally form a heterocycle comprising 1-4 heteroatoms; and

an immune checkpoint inhibitor, for use in a method of reducing the risk of recurrence of a cancer in a subject in need thereof, comprising administering to the subject:

a) an effective amount of the compound of Formula (II), or a pharmaceutically acceptable salt thereof, and

b) an effective amount of the immune checkpoint inhibitor.

39 . A compound of Formula (II):

or a pharmaceutically acceptable salt thereof, wherein

each occurrence of R 1 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)OR a , NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, optionally substituted aryl, or optionally substituted heterocycle;

n 1 is 0, 1, 2, 3, or 4;

each occurrence of R 2 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)OR a , NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, cycloalkenyl, optionally substituted aryl, optionally substituted aryloxyl, or optionally substituted heterocycle;

n 2 is 0, 1, 2, 3, 4, or 5;

R 3 is hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, OC(═O)Ra, alkyl, alkenyl, cycloalkyl, or optionally substituted aryl or heteroaryl;

R 4 is hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, NRbRc, OC(═O)Ra, alkyl, alkenyl, or cycloalkyl;

each occurrence of R 5 , R 6 , and R 7 is independently hydrogen, halogen, cyano, nitro, CF 3 , OCF 3 , ORa, SRa, C(═O)Ra, OC(═O)Ra, C(═O)ORa, NRbRc, NRbC(═O)Rc, C(═O)NRbRc, NRbC(═O)ORc, OC(═O)NRbRc, NRaC(═O)NRbRc, alkyl, alkenyl, cycloalkyl, optionally substituted aryl, or optionally substituted heterocycle;

n 3 is 0, 1, 2, 3, or 4; and

each occurrence of Ra, Rb, and Rc is independently hydrogen, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, heterocycle, or aryl; or Rb and Rc together with the nitrogen atom to which they are bonded optionally form a heterocycle comprising 1-4 heteroatoms; and

an immune checkpoint inhibitor, for use in a method of preventing recurrence of a cancer in a subject in need thereof, comprising administering to the subject:

a) an effective amount of the compound of Formula (II), or a pharmaceutically acceptable salt thereof, and

b) an effective amount of the immune checkpoint inhibitor.

40 . The compound and immune checkpoint inhibitor for use of any one of claims 1-39 , wherein the immune checkpoint inhibitor is administered parenterally.

41 . The compound and immune checkpoint inhibitor for use of any one of claims 1-40 , wherein the cancer is head and neck cancer, lung cancer, liver cancer, breast cancer, ovarian cancer, colon cancer, multiple myeloma, prostate cancer, cervical cancer, brain cancer, pancreatic cancer, myelodysplastic syndrome, neuroblastoma, kidney cancer, or metastatic melanoma.

42 . The compound and immune checkpoint inhibitor for use of claim 41 , wherein the cancer is head and neck cancer, lung cancer, liver cancer, breast cancer, ovarian cancer, colon cancer, multiple myeloma, or pancreatic cancer.