Vorozole

Vorozole
Clinical data

ATC code	L02BG05 (WHO)
Pharmacokinetic data
Bioavailability	Very high
Metabolism	Hepatic
Biological half-life	8 hours
Identifiers
IUPAC name 6-[(4-Chlorophenyl)(1,2,4-triazol-1-yl)methyl]-1-methylbenzotriazole
CAS Number	118949-22-7^N
PubChem (CID)	6918191
ChemSpider	5293402^Y
UNII	1E2S9YXV2A^Y
KEGG	D03786^Y
ChEMBL	CHEMBL224060^Y
Chemical and physical data
Formula	C₁₆H₁₃ClN₆
Molar mass	324.768 g/mol
3D model (Jmol)	Interactive image
SMILES Clc1ccc(cc1)[C@@H](c2ccc3nnn(c3c2)C)n4ncnc4
^NY (what is this?) (verify)

Vorozole is an imidazole based competitive inhibitor of the aromatase enzyme. It underwent clinical testing for evaluation for use as an antineoplastic agent; however it was withdrawn from testing when no difference was detected in the duration of median survival as compared to the progestational agent megestrol acetate and research instead focused on the other third generation aromatase inhibitors anastrozole, letrozole and exemestane.

It is selective.^[1]

References

↑ Goss PE (1998). "Pre-clinical and clinical review of vorozole, a new third generation aromatase inhibitor" (PDF). Breast Cancer Res. Treat. 49. Suppl 1: S59–65; discussion S73–7. doi:10.1023/a:1006052923468. PMID 9797019.

Estrogen receptor modulators

Agonists	Steroidal: 2-Hydroxyestradiol 2-Hydroxyestrone 3α-Androstanediol 3β-Androstanediol 3α-Hydroxytibolone 3β-Hydroxytibolone 4-Androstenediol 4-Androstenedione 4-Hydroxyestradiol 4-Hydroxyestrone 4-Methoxyestradiol 4-Methoxyestrone 5-Androstenediol 7-Oxo-DHEA 7α-Hydroxy-DHEA 7β-Hydroxyepiandrosterone 8,9-Dehydroestradiol 8,9-Dehydroestrone 8β-VE2 16α-Hydroxy-DHEA 16α-Hydroxyestrone 16α-Iodo-E2 16α-LE2 16β,17α-Epiestriol (16β-hydroxy-17α-estradiol) 17α-Dihydroequilenin 17α-Dihydroequilin 17α-Epiestriol (16α-hydroxy-17α-estradiol) 17β-Dihydroequilenin 17β-Dihydroequilin Abiraterone Abiraterone acetate 17α-Estradiol (alfatradiol) Alestramustine Almestrone Anabolic steroids (e.g., testosterone and esters, methyltestosterone, metandienone (methandrostenolone), nandrolone and esters, many others; via estrogenic metabolites) Androstene-3,5-dienes Atrimustine Bolandiol Bolandiol dipropionate Butolame Clomestrone Cloxestradiol Cloxestradiol acetate DHEA DHEA-S Epiestriol (16β-epiestriol, 16β-hydroxy-17β-estradiol) Epimestrol Equilenin Equilin ERA-63 (ORG-37663) Estetrol Estradiol Estradiol 3-propionate Estradiol acetate Estradiol benzoate Estradiol butyrate benzoate Estradiol butyrylacetate Estradiol cyclooctyl acetate Estradiol cypionate Estradiol decanoate Estradiol dienanthate Estradiol dipropionate Estradiol diundecylate Estradiol diundecylenate Estradiol enanthate Estradiol furoate Estradiol glucuronide Estradiol hemihydrate Estradiol hemisuccinate (estradiol succinate) Estradiol hexahydrobenzoate Estradiol monopropionate Estradiol mustard Estradiol palmitate Estradiol pivalate (trimethyl estradiol acetate) Estradiol propoxyphenylpropionate Estradiol stearate Estradiol sulfate Estradiol undecylate Estradiol valerate Lipoidal estradiol Estramustine Estramustine phosphate Estrapronicate Estrazinol Estriol Estriol acetate benzoate Estriol glucuronide Estriol sodium succinate Estriol succinate Estriol sulfate Estriol sulfate glucuronide Estriol triacetate Estriol tripropionate Estrofurate Estromustine Estrone Estrone acetate Estrone cyanate Estrone glucuronide Estrone sulfate Estrone tetraacetylglucoside Estropipate Etamestrol (eptamestrol) Ethinylestradiol Ethinylestradiol sulfonate Ethinylestriol Etynodiol diacetate Hexolame Hydroxyestrone diacetate Mestranol Methylestradiol Moxestrol Mytatrienediol Nilestriol Noretynodrel Orestrate Pentolame Polyestradiol phosphate Prodiame Prolame Promestriene Quinestradol Quinestrol Non-steroidal: (R,R)-THC (S,S)-THC 1-Keto-1,2,3,4-tetrahydrophenanthrene 2,8-DHHHC Allenestrol Allenoic acid Benzestrol Bifluranol Bisdehydrodoisynolic acid Carbestrol Diarylpropionitrile Dienestrol Dienestrol acetate Diethylstilbestrol Diethylstilbestrol diacetate Diethylstilbestrol dilaurate Diethylstilbestrol dipalmitate Diethylstilbestrol dipropionate Diethylstilbestrol disulfate Diethylstilbestrol monobenzyl ether Dimestrol (dianisylhexene) Doisynoestrol (fenocycline) Doisynolic acid Efavirenz ERB-196 (WAY-202196) Erteberel (SERBA-1, LY-500307) Estrobin (DBE) Fenestrel FERb 033 Fosfestrol (diethylstilbestrol diphosphate) Furostilbestrol (diethylstilbestrol difuroate) GTx-758 Hexestrol Hexestrol diacetate Hexestrol dicaprylate Hexestrol diphosphate Hexestrol dipropionate ICI-85966 (Stilbostat) Mestilbol Methallenestril Methestrol Methestrol dipropionate Miroestrol Paroxypropione Pentafluranol Phenestrol Prinaberel (ERB-041, WAY-202041) Propylpyrazoletriol Quadrosilan SC-4289 SERBA-2 SKF-82,958 Terfluranol Triphenylbromoethylene Triphenylchloroethylene Triphenyliodoethylene Triphenylmethylethylene (triphenylpropene) WAY-166818 WAY-200070 WAY-214156 Xenoestrogens: Anethole Anol Chalconoids (e.g., isoliquiritigenin, phloretin, phlorizin (phloridzin), wedelolactone) Coumestans (e.g., coumestrol, psoralidin) Deoxymiroestrol Dianethole Dianol Digitoxin (digitalis) Diosgenin Flavonoids (incl. 7,8-DHF, 8-prenylnaringenin, apigenin, baicalein, baicalin, biochanin A, calycosin, catechin, daidzein, daidzin, ECG, EGCG, epicatechin, equol, formononetin, glabrene, glabridin, genistein, genistin, glycitein, kaempferol, liquiritigenin, mirificin, myricetin, naringenin, pinocembrin, prunetin, puerarin, quercetin, tectoridin, tectorigenin) Guggulsterone Lavender oil Lignans (e.g., enterodiol, enterolactone, nyasol (cis-hinokiresinol)) Metalloestrogens (e.g., cadmium) Pesticides (e.g., alternariol, dieldrin, endosulfan, fenarimol, methiocarb, methoxychlor) Photoanethole Phytosterols (e.g., β-sitosterol, campesterol, stigmasterol) Resorcylic acid lactones (e.g., zearalanone, α-zearalenol, β-zearalenol, zearalenone, zeranol (α-zearalanol), taleranol (teranol, β-zearalanol)) Stilbenoids (e.g., resveratrol) Synthetic xenoestrogens (e.g., alkylphenols, bisphenols (e.g., BPA, BPF, BPS), DDT, parabens, PBBs, PHBA, phthalates, PCBs) Unknown/unsorted: ERB-26 ERA-45 ERB-79

Mixed (SERMs)	27-Hydroxycholesterol Acefluranol Acolbifene Afimoxifene Anordrin Anordriol Arzoxifene Bazedoxifene Brilanestrant Broparestrol Elacestrant Chlorotrianisene Clomifene Clomifenoxide Cyclofenil Droloxifene Enclomifene Endoxifen Epitiostanol Etacstil (GW-5638, DPC-974) Ethamoxytriphetol (MER-25) Femarelle Fispemifene GW-7604 ICI-55548 Idoxifene Lasofoxifene Levormeloxifene LY-117018 Menerba Mepitiostane Methylepitiostanol Miproxifene Nafoxidine Nitromifene Ormeloxifene Ospemifene Panomifene Phenytoin Pipendoxifene Raloxifene SS1010 Tamoxifen TAS-108 (SR-16234) Tesmilifene Tibolone Toremifene Trioxifene Y-134 Zindoxifene Zuclomifene

Antagonists	(R,R)-THC 7β-Hydroxy-DHEA Cytestrol acetate ERA-90 ERB-88 Fulvestrant (ICI-182780) Glyceollins (I, II, III, IV) ICI-164384 Methylpiperidinopyrazole MIBE PHTPP Prochloraz RU-58668 SS1020 TAS-108 (SR-16234) XCT-790 ZK-164015 ZK-191703

GPER

Agonists	2-Methoxyestradiol 7β-Hydroxyepiandrosterone Afimoxifene (4-hydroxytamoxifen) Atrazine Bisphenol A Daidzein DDT (p,p'-DDT, o',p'-DDE) Equol Estradiol Ethinylestradiol Fulvestrant (ICI-182780) G-1 Genistein GPER-L1 GPER-L2 Hydroxytyrosol Kepone Niacin Nicotinamide Nonylphenol Oleuropein PCBs (2,2',5'-PCB-4-OH) Propylpyrazoletriol Quercetin Raloxifene Resveratrol Tamoxifen Tectoridin Zearalanone Zearalenol Zearalenone Zeranol (zearalanol))

Antagonists	CCL18 Estriol G-15 G-36 MIBE

See also: Androgenics • Glucocorticoidics • Mineralocorticoidics • Progestogenics • Steroid hormone metabolism modulators

Steroid hormone metabolism modulators

HMGCR	Inhibitors: Atorvastatin Cerivastatin Fluvastatin Lovastatin Mevastatin Pitavastatin Pravastatin Rosuvastatin Simvastatin

FPS	Inhibitors: Alendronic acid Clodronic acid Etidronic acid Ibandronic acid Incadronic acid Pamidronic acid Risedronic acid Tiludronic acid Zoledronic acid

24-DHCR24	20,25-Diazacholesterol Clomifene Triparanol

20,22-Desmolase (P450scc)	Inhibitors: 22-ABC 3,3′-Dimethoxybenzidine 3-Methoxybenzidine Aminoglutethimide Canrenone Cyanoketone Danazol Etomidate Ketoconazole Mitotane Spironolactone Trilostane

17α-Hydroxylase, 17,20-Lyase	Inhibitors: 22-ABC 22-Oxime Δ⁴-Abiraterone Abiraterone Abiraterone acetate Amphenone Bifluranol Bifonazole Canrenone CFG-920 Clotrimazole Cyanoketone Cyproterone acetate Danazol Econazole Flutamide Galeterone Gestrinone Isoconazole Ketoconazole L-39 Levoketoconazole Liarozole LY-207,320 MDL-27,302 Miconazole Mifepristone Nilutamide Orteronel Pioglitazone Prochloraz Rosiglitazone Seviteronel Spironolactone Stanozolol SU-9055 SU-10603 TGF-β Tioconazole Troglitazone VN/87-1 YM116

3α-HSD	Inhibitors: Coumestrol Daidzein Genistein Indomethacin Medroxyprogesterone acetate Inducers: Fluoxetine Fluvoxamine Mirtazapine Paroxetine Sertraline Venlafaxine

3β-HSD	Inhibitors: 4-MA Δ⁴-Abiraterone Abiraterone Abiraterone acetate Azastene Cyanoketone Cyproterone acetate Danazol Epostane Genistein Gestrinone Medrogestone Medroxyprogesterone acetate Metyrapone Norethisterone Oxymetholone Pioglitazone Rosiglitazone Trilostane Troglitazone

11β-HSD	Inhibitors: 11-Ketoprogesterone 11α-Hydroxyprogesterone 11β-Hydroxyprogesterone 18α-Glycyrrhizic acid ABT-384 Acetoxolone Carbenoxolone Enoxolone (glycyrrhetinic acid) Epigallocatechin gallate Glycyrrhizin (glycyrrhizic acid) Progesterone

21-Hydroxylase	Inhibitors: Aminoglutethimide Amphenone B Bifonazole Canrenone Clotrimazole Diazepam Econazole Genistein Isoconazole Ketoconazole Levoketoconazole Metyrapone Miconazole Midazolam Spironolactone Tioconazole

11β-Hydroxylase	Inhibitors: Δ⁴-Abiraterone Abiraterone Abiraterone acetate Aminoglutethimide Canrenone Etomidate Fadrozole FETO Ketoconazole Levoketoconazole Metomidate Metyrapol Metyrapone Mitotane Potassium canrenoate Spironolactone Trilostane

18-Hydroxylase	Inhibitors: 18-Ethynylprogesterone (18-ethinylprogesterone) 18-Vinylprogesterone Aminoglutethimide Canrenone FAD286 Fadrozole Ketoconazole LCI699 Metyrapone Mespirenone Potassium canrenoate Spironolactone

17β-HSD	Inhibitors: Danazol Simvastatin

5α-Reductase	Inhibitors: 22-Oxime Δ⁴-Abiraterone Abiraterone Abiraterone acetate Alfatradiol Azelaic acid β-Sitosterol Bexlosteride Chlormadinone acetate Cl-4AS-1 Dutasteride Epitestosterone Epristeride Fatty acids (α-linolenic acid, linoleic acid, γ-linolenic acid, monolinolein, oleic acid) Finasteride Ganoderic acid Gestodene Izonsteride L-39 Lapisteride Oxendolone Saw palmetto TFM-4AS-1 Turosteride Vitamin B6 Zinc

Aromatase	Inhibitors: 4-AT 4-Cyclohexylaniline 4-Hydroxytestosterone 5α-DHNET 20α-Dihydroprogesterone Abyssinone II Aminoglutethimide Anastrozole Ascorbic acid (vitamin C) Atamestane ATD Bifonazole CGP-45,688 CGS-47,645 Chalconoids (e.g., isoliquiritigenin) Clotrimazole Corynesidone A Coumestrol DHT Difeconazole Econazole Ellagitannins Endosulfan Exemestane Fadrozole Fatty acids (e.g., conjugated linoleic acid, linoleic acid, linolenic acid, palmitic acid) Fenarimol Finrozole Flavonoids (e.g., 7-hydroxyflavone, 7-hydroxyflavanone, 7,8-DHF, acacetin, apigenin, baicalein, biochanin A, chrysin, EGCG, gossypetin, hesperetin, liquiritigenin, myricetin, naringenin, pinocembrin, rotenone, quercetin, sakuranetin, tectochrysin) Formestane Imazalil Isoconazole Ketoconazole Letrozole Liarozole Melatonin MEN-11066 Miconazole Minamestane Nimorazole NKS01 Norendoxifen ORG-33,201 Penconazole Phenytoin Prochloraz PGE2 (dinoprostone) Plomestane Prochloraz Propioconazole Pyridoglutethimide Quinolinoids (e.g., berberine, casimiroin, triptoquinone A, XHN22, XHN26, XHN27) Resorcylic acid lactones (e.g., zearalenone) Rogletimide Stilbenoids (e.g., resveratrol) Talarozole Terpenoids (e.g., dehydroabietic acid, (–)-dehydrololiolide, retinol (vitamin A), Δ⁹-THC, tretinoin) Testolactone Tioconazole Triadimefon Triadimenol Troglitazone Valproic acid Vorozole Xanthones (e.g., garcinone D, garcinone E, α-mangostin, γ-mangostin, monodictyochrome A, monodictyochrome B) YM-511 Zinc Inducers: Atrazine Flavonoids (e.g., genistein, quercetin)

SST/EST	4′OH-CB79 6-Hydroxyflavone 2,6-Dichloro-4-nitrophenol (DCNP) Equol Galangin Genistein Parabens (e.g., butylparaben) Pentachlorophenol (PCP) Triclosan

STS	AHBS Danazol Estrone-3-O-sulfamate (EMATE) Irosustat (STX64, 667 Coumate, BN-83495) KW-2581 Progestogens SR-16157 STX213 STX681 STX1938

27-Hydroxylase	Inhibitors: Anastrozole Bicalutamide Dexmedetomidine Fadrozole Posaconazole Ravuconazole

Others	Inhibitors: Inhibit estradiol degradation: Cimetidine

See also: Androgenics • Estrogenics • Glucocorticoidics • Mineralocorticoidics • Progestogenics

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