LGD-3303

LGD-3303
Systematic (IUPAC) name

9-chloro-2-ethyl-1-methyl-3-(2,2,2-trifluoroethyl)-3H-pyrrolo[3,2-f]quinolin-7(6H)-one
Clinical data
Routes of administration	Oral
Identifiers
ChemSpider	35143239
UNII	7N4E1X2RJM^Y
Chemical data
Formula	C₁₆H₁₄ClF₃N₂O
Molar mass	342.743 g/mol
SMILES CCc1c(c2c(n1CC(F)(F)F)ccc3c2c(cc(=O)[nH]3)Cl)C
InChI InChI=1S/C16H14ClF3N2O/c1-3-11-8(2)14-12(22(11)7-16(18,19)20)5-4-10-15(14)9(17)6-13(23)21-10/h4-6H,3,7H2,1-2H3,(H,21,23) Key:OMXGOGXEWUCLFI-UHFFFAOYSA-N
(verify)

LGD-3303 is a drug which acts as a selective androgen receptor modulator, with good oral bioavailability. It is a selective agonist for the androgen receptor, producing functional selectivity with effective dissociation of anabolic and androgenic effects, acting as a partial agonist for androgenic effects, but a full agonist for anabolic effects.^[1] It has been investigated as a possible treatment for osteoporosis, and was shown in animal studies to enhance the effectiveness of a bisphosphonate drug.^[2]

References

↑ Vajda EG, López FJ, Rix P, Hill R, Chen Y, Lee KJ, O'Brien Z, Chang WY, Meglasson MD, Lee YH. Pharmacokinetics and pharmacodynamics of LGD-3303 [9-chloro-2-ethyl-1-methyl-3-(2,2,2-trifluoroethyl)-3H-pyrrolo-[3,2-f]quinolin-7(6H)-one], an orally available nonsteroidal-selective androgen receptor modulator. Journal of Pharmacology and Experimental Therapeutics. 2009 Feb;328(2):663-70. doi:10.1124/jpet.108.146811 PMID 19017848
↑ Vajda EG, Hogue A, Griffiths KN, Chang WY, Burnett K, Chen Y, Marschke K, Mais DE, Pedram B, Shen Y, van Oeveren A, Zhi L, López FJ, Meglasson MD. Combination Treatment With a Selective Androgen Receptor Modulator (SARM) and a Bisphosphonate Has Additive Effects in Osteopenic Female Rats. Journal of Bone and Mineral Research. 2008 Oct 10. PMID 18847323

Androgenics

Receptor
(ligands)

Agonists	4-Chlordehydromethyltestosterone 4-Hydroxytestosterone 5α-Androst-1-ene-3,17-dione 7β-Hydroxyepiandrosterone 11-Ketotestosterone 17-((1-Oxoheptyl)oxy)androstan-3-one 17-((1-Oxopentyl)oxy)androstan-3-one 17-(1-Oxopropoxy)androstan-3-one 17β-Hydroxyandrost-2-ene-2-carbonitrile 19-Norandrostenediol 19-Norandrostenedione 19-Norandrosterone 19-Nordehydrotestosterone Δ¹-Androstenediol Δ¹-Testosterone Δ^1,4-Androstenedione Δ⁴-Androstenediol Δ⁴-Androstenedione Δ^4-Tibolone Δ⁴-Androstenediol Δ⁴-Androstenedione Adrenosterone Androisoxazole Androstanolone Bolandiol Bolasterone Bolazine Boldenone Boldione Bolenol Bolmantalate Calusterone Cl-4AS-1 Clostebol Cloxotestosterone Cortexolone 17α-propionate Danazol Desogestrel Desoxymethyltestosterone DHEA DHEA sulfate Dihydrotestosterone Drostanolone Enestebol Epitiostanol Ethisterone Ethyldienolone Ethylestrenol Fluoxymesterone Formebolone Furazabol Hexabolan Hydroxystenozole Levonorgestrel Mebolazine Medroxyprogesterone acetate Mepitiostane Mesabolone Mestanolone Mesterolone Metandienone/Methandrostenolone Metenolone Metenolone acetate Metenolone enanthate Methandriol Methandriol propionate Methasterone Methylestrenolone Methyltestosterone Metribolone Mibolerone Nandrolone Nandrolone caproate Nandrolone cypionate Nandrolone cyclohexane carboxylate Nandrolone cyclohexylpropionate Nandrolone cyclotate Nandrolone decanoate Nandrolone furylpropionate Nandrolone hexyloxyphenylpropionate Nandrolone hydrogen succinate Nandrolone laurate Nandrolone phenylpropionate Nandrolone propionate Nandrolone undecyclate Norboletone Norclostebol Norethandrolone Norethisterone Norgestrel Oxabolone Oxabolone cypionate Oxandrolone Oxendolone Oxymesterone Oxymetholone Penmesterol Propetandrol Quinbolone Quingestanol acetate Roxibolone Silandrone Stanozolol Stenbolone Stenbolone acetate Testolactone Testosterone Testosterone acetate Testosterone capropate Testosterone cypionate Testosterone decanoate Testosterone enanthate Testosterone isocaproate Testosterone ketolaurate Testosterone nicotinate Testosterone phenylpropionate Testosterone propionate Testosterone undecanoate Tetrahydrogestrinone Thiomesterone Tibolone Tiomesterone Trenboloneca Trenbolone acetate Trestolone

Mixed (SARMs)	AC-262,356 Andarine BMS-564,929 Enobosarm (ostarine) LGD-2226 LGD-3303 LGD-4033 RAD140 S-23 S-40503 TFM-4AS-1

Antagonists	3α-Hydroxytibolone 3β-Hydroxytibolone Abiraterone Abiraterone acetate Apalutamide AZD-3514 Bisphenols (e.g., BADGE, BFDGE, bisphenol A, bisphenol F, bisphenol S) Benorterone Bicalutamide BMS-641,988 BOMT Canrenoic acid Canrenone Chlormadinone acetate Cimetidine Cioteronel Clometerone Cyproterone Cyproterone acetate Delanterone DDT (via metabolite p,p’-DDE) Dieldrin Dienogest Drospirenone Endosulfan Enzalutamide EPI-001 EPI-506 Epitestosterone Fenarimol Flutamide Galeterone Guggulsterone Hydroxyflutamide Inocoterone Ketoconazole Lavender oil Linuron Megestrol acetate Mespirenone Methiocarb Metogest Mifepristone Nilutamide Nomegestrol Nordinone Norgestimate ODM-201 ONC1-13B ORM-15341 Osaterone Oxendolone PF-998425 Potassium canrenoate Prochloraz Procymidone R-2956 Rosterolone RU-58642 RU-58841 Seviteronel Spironolactone Topilutamide (fluridil) Topterone Valproic acid Vinclozolin Zanoterone

Enzyme

Modulators	See here instead (modulators of 20,22-desmolase, 17α-hydroxylase/17,20-lyase, 3β-HSD, 17β-HSD, 5α-reductase, and aromatase).

Others

Precursors/prohormones	Cholesterol 22R-Hydroxycholesterol 20α,22R-Dihydroxycholesterol Pregnenolone Pregnenolone sulfate 17-Hydroxypregnenolone Progesterone 17-Hydroxyprogesterone 11-Deoxycortisol (cortodoxone) DHEA DHEA sulfate Δ⁵-Androstenediol Δ⁴-Androstenedione

Indirect	Antigonadotropins (e.g., estrogens, progestogens, prolactin) GnRH agonists (e,g, GnRH, leuprorelin) GnRH antagonists (e.g., cetrorelix) Gonadotropins (e.g., FSH, hCG, LH) Kisspeptin Plasma proteins (ABP, albumin, SHBG)

See also: Estrogenics • Glucocorticoids • Mineralocorticoids • Progestogenics

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