Tyrosine Derivatives And Compositions Comprising Them

1 . A composition comprising a tyrosine hydroxylase inhibitor and an anticancer agent that is chemically bonded to, or physically associated with, said tyrosine hydroxylase inhibitor.

2 . The composition of claim 1 wherein the tyrosine hydroxylase inhibitor is a tyrosine derivative.

3 . The composition of claim 2 wherein the tyrosine derivative is one or more of:

methyl (2R)-2-amino-3-(2-chloro-4-hydroxyphenyl) propanoate;

D-tyrosine ethyl ester hydrochloride;

methyl (2R)-2-amino-3-(2,6-dichloro-3,4-dimethoxyphenyl) propanoate;

H-D-Tyr(TBU)-allyl ester HCl;

methyl (2R)-2-amino-3-(3-chloro-4,5-dimethoxyphenyl) propanoate;

methyl (2R)-2-amino-3-(2-chloro-3-hydroxy-4-methoxyphenyl) propanoate;

methyl (2R)-2-amino-3-(4-[(2-chloro-6-fluorophenyl) methoxy] phenyl) propanoate;

methyl (2R)-2-amino-3-(2-chloro-3,4-dimethoxyphenyl) propanoate;

methyl (2R)-2-amino-3-(3-chloro-5-fluoro-4-hydroxyphenyl) propanoate;

diethyl 2-(acetylamino)-2-(4-[(2-chloro-6-fluorobenzyl) oxy] benzyl malonate;

methyl (2R)-2-amino-3-(3-chloro-4-methoxyphenyl) propanoate;

methyl (2R)-2-amino-3-(3-chloro-4-hydroxy-5-methoxyphenyl) propanoate;

methyl (2R)-2-amino-3-(2,6-dichloro-3-hydroxy-4-methoxyphenyl) propanoate;

methyl (2R)-2-amino-3-(3-chloro-4-hydroxyphenyl) propanoate;

H-DL-tyr-OMe HCl;

H-3,5-diiodo-tyr-OME HCl;

H-D-3,5-diiodo-tyr-OME HCl;

H-D-tyr-OMe HCl;

D-tyrosine methyl ester hydrochloride;

D-tyrosine-OMe HCl;

methyl D-tyrosinate hydrochloride;

D-tyrosine methyl ester HCl;

H-D-Tyr-OMe-HCl;

(2R)-2-amino-3-(4-hydroxyphenyl) propionic acid;

(2R)-2-amino-3-(4-hydroxyphenyl) methyl ester hydrochloride;

methyl (2R)-2-amino-3-(4-hydroxyphenyl) propanoate hydrochloride;

methyl (2R)-2-azanyl-3-(4-hydroxyphenyl) propanoate hydrochloride;

3-chloro-L-tyrosine;

3-nitro-L-tyrosine;

3-nitro-L-tyrosine ethyl ester hydrochloride;

DL-m-tyrosine;

DL-o-tyrosine;

Boc-Tyr (3,5-I2)-OSu;

Fmoc-tyr(3-NO2)-OH;

α-methyl-L-tyrosine;

α-methyl-D-tyrosine; and

α-methyl-DL-tyrosine.

4 . The composition of claim 3 wherein the tyrosine derivative is α-methyl-DL-tyrosine.

5 . The composition of claim 1 wherein the anticancer agent is at least one of an alkylating agent, an antimetabolite, an anti-microtubule agent, a topoisomerase inhibitor, a cytotoxic antibiotic, a selective estrogen receptor modulator, an aromatase inhibitor, a signal transduction inhibitor, an agent that modifies the function of proteins that regulate gene expression and other cellular functions, a drug that induces cancer cells to undergo apoptosis, and a drug that interferes with angiogenesis.

6 . The composition of claim 1 wherein the anticancer agent is at least one of 5-fluorouracil, abiraterone acetate, acetylcholine, ado-trastuzumab emtansine, afatinib, aldesleukin, alectinib, alemtuzumab, alitretinoin, aminolevulinic acid, anastrozole, anastrozole, aprepitant, arsenic trioxide, asparaginase erwinia chrysanthemi, atezolizumab, axitinib, azacitidine, belinostat, bendamustine, benzyl isothiocyanate, bevacizumab, bexarotene, bicalutamide, bleomycin, blinatumomab, bortezomib, bosutinib, brentuximab vedotin, busulfan, cabazitaxel, cabozantinib, capecitabine, carboplatin, carfilzomib, carmustine, ceritinib, cetuximab, chlorambucil, cisplatin, clofarabine, cobimetinib, crizotinib, cyclophosphamide, cytarabine, dabrafenib, dacarbazine, dacarbazine, dactinomycin, daratumumab, dasatinib, daunorubicin, decitabine, defibrotide sodium, degarelix, denileukin diftitox, denosumab, dexamethasone, dexrazoxane, dihydrotestosterone (DHT), dinutuximab, docetaxel, doxorubicin, elotuzumab, eltrombopag, enzalutamide, epirubicin, eribulin mesylate, erlotinib, etoposide, everolimus, exemestane, exemestane, filgrastim, fludarabine phosphate, flutamide, fulvestrant, fulvestrant, gefitinib, gemcitabine, gemtuzumab, gemtuzumab ozogamicin, glucarpidase, goserelin acetate, hydroxyurea, ibritumomab tiuxetan, ibrutinib, idarubicin, idelalisib, ifosfamide, imatinib, imiquimod, interferon alfa-2b, ipilimumab, irinotecan, ixabepilone, ixazomib, lanreotide, lapatinib, lenalidomide, lenvatinib, letrozole, leucovorin, leuprolide, lomustine, mechlorethamine, megestrol acetate, melphalan, mercaptopurine, mesna, methotrexate, mitomycin c, mitoxantrone, necitumumab, nelarabine, netupitant, nilotinib, nilutamide, nivolumab, obinutuzumab, ofatumumab, olaparib, omacetaxine mepesuccinate, osimertinib, oxaliplatin, ozogamicin, paclitaxel, palbociclib, palifermin, pamidronate, panitumumab, panobinostat, pazopanib, pegaspargase, peginterferon alfa-2b, pembrolizumab, pemetrexed, pertuzumab, plerixafor, pomalidomide, ponatinib, pralatrexate, prednisone, procarbazine, propranolol, radium 223 dichloride, raloxifene, ramucirumab, rasburicase, regorafenib, rituximab, rolapitant, romidepsin, romiplostim, ruxolitinib, siltuximab, sipuleucel-t, sonidegib, sorafenib, sunitinib, talimogene laherparepvec, tamoxifen, temozolomide, temsirolimus, thalidomide, thioguanine, thiotepa, tipiracil, topotecan, toremifene, toremifene, tositumomab, trabectedin, trametinib, trastuzumab, tretinoin, trifluridine, uridine triacetate, vandetanib, vemurafenib, venetoclax, vinblastine, vincristine, vinorelbine, vismodegib, vorinostat, ziv-aflibercept, zoledronic acid, and pharmaceutically acceptable salts thereof.

7 . The composition of claim 1 , wherein the anticancer agent is chemically bonded to the tyrosine hydroxylase inhibitor.

8 . The composition of claim 7 wherein the anticancer agent is chemically bonded to the tyrosine hydroxylase inhibitor by a covalent bond.

9 . The composition of claim 7 , wherein the anticancer agent is chemically bonded to the tyrosine hydroxylase inhibitor by a non-covalent bond.

10 . The composition of claim 7 , wherein the anticancer agent is chemically bonded to the tyrosine hydroxylase inhibitor through a linker.

11 . The composition of claim 1 , wherein the anticancer agent is physically associated with the tyrosine hydroxylase inhibitor.

12 . The composition of claim 11 , wherein the anticancer agent is physically associated with the tyrosine hydroxylase inhibitor by impregnation.

13 . The composition of claim 11 , wherein the anticancer agent is physically associated with the tyrosine hydroxylase inhibitor by encapsulation.

14 . The composition of claim 1 further comprising a pharmaceutically acceptable excipient.

15 . A method of reducing cell proliferation in a subject comprising administering to the subject in need thereof an effective amount of the composition according to claim 1 .

16 . A method of treating cancer in a subject comprising administering to the subject in need thereof an effective amount of the composition according to claim 1 .

17 . The method of claim 16 wherein the cancer is at least one of non-small cell lung cancer, ovarian cancer, breast cancer, cervical cancer, pancreatic cancer, stomach cancer, brain cancer, liver cancer, testicular cancer, leukemia, lymphoma, appendix cancer, biliary cancer, choleangiocarcinoma, colon cancer, colorectal cancer, germ cell tumor, glioma, Hodgkin's lymphoma, lung cancer, neuroblastoma, prostate cancer, renal cancer, sarcoma, thyroid cancer, tongue cancer, tonsil squamous cell carcinoma, or urothelial cancer.

18 . The method of claim 17 wherein the cancer is pancreatic cancer.

19 . The method of claim 16 wherein the composition is administered orally, subcutaneously, intravenously, transdermally, vaginally, rectally or in any combination thereof.

20 . The method of claim 16 , further comprising administering an effective amount of one or more additional therapeutic agents.

21 . A kit comprising the composition according to claim 1 and suitable packaging.

22 . The kit of claim 21 , further comprising an additional therapeutic agent.