MK-2866 (GTx-024)

MK-2866 (GTx-024)は、口で生物が利用可能な非ステロイド性の選択的なアンドロゲン受容体モジュレータ(SARM)で、 Ki が3.8 nMになる。

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MK-2866 (GTx-024) 化学構造
分子量: 389.33


Quality Control & MSDS


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情報 MK-2866 (GTx-024)は、口で生物が利用可能な非ステロイド性の選択的なアンドロゲン受容体モジュレータ(SARM)で、 Ki が3.8 nMになる。
目標 Androgen receptor (AR)
IC50 3.8 nM (Ki) [1]
In vitro試験 Ostarine at the concentration of 10 nM modulates the transcriptional activity of AR in CV-1 cells cotransfected with a human AR expression vector, a luciferase reporter vector, and a control β-galactosidase vector, with 94%-100% relative activity of the transcriptional activation observed for 1 nM DHT. [1] [2]
In vivo試験 After intravenous administration of Ostarine at a single dose of 10 mg/kg, plasma concentration of Ostarine declines slowly, exhibiting a longer terminal half-life of 6.0 hours, as compared to that of other related cyano/nitro group-substituted SARMs with terminal halflives of 2.6-4.0 hours. Ostarine exhibits significantly androgenic and anabolic activity by stimulating the growth of prostate, seminal vesicles, and levator ani muscle when administered in castrated male rats; Ostarine is more potent than other cyano/nitro group-substituted SARMs. Ostarine restores the weight of the prostate to 39.2%, and seminal vesicle 78.8%, and stimulates the growth of levator ani muscle to a greater extent of 141.9% as compared with that of androgenic organs. Ostarine exhibits the highest in vivo androgenic and anabolic activity of any AR nonsteroidal agonist examined to date, with ED50 values of 0.12, 0.39 and 0.03 mg/day in prostate, seminal vesicles, and levator ani muscle, respectively, being 4 times as potent as testosterone propionate (TP) in levator ani muscle. At low dose of 0.03 mg/day, Ostarine is sufficient to exert efficacious and selective activity in anabolic tissues. [1]
臨床試験 Currently under Phase III study to determine if the investigational drug Ostarine can help patients with non small cell lung cancer increase physical function and maintain or gain muscle.
特集 The most potent and tissue-selective in vivo activity of SARMs to date, with favorable pharmacokinetic properties.

推薦された実験操作 (公開の文献だけ)

キナーゼアッセイ: [1]

In vitro competitive radioligand binding assay The AR binding affinity of Ostarine is determined using an in vitro competitive radioligand binding assay with [3H]mibolerone (MIB). Briefly, increasing concentrations (0.01-5000 nM) of Ostarine are incubated with rat cytosol, a saturating concentration of [3H]-MIB (1 nM), and 1000 nM triamcinolone acetonide to prevent interaction of MIB with progesterone receptors at 4 °C for 18 hours. At the end of incubation, free and bound [3H]-MIB are separated using the hydroxyapatite method. IC50 value is determined by computer-fitting the data for each ligand by nonlinear regression analysi

動物実験: [1]

動物モデル Immature castrated male Sprague-Dawley rats
製剤 Dissolved in DMSO, and diluted in saline
投薬量 1 mg/day
管理 Subcutaneous injection



Download MK-2866 (GTx-024) SDF
分子量 389.33


CAS No. 841205-47-8
別名 GTx-024, MK-2866
溶解度 (25°C)
  • DMSO 78 mg/mL
  • 水 <1 mg/mL
  • エタノール 78 mg/mL
保管 2年 -20°C
6月-80°Cin DMSO
化学名 (S)-N-(4-cyano-3-(trifluoromethyl)phenyl)-3-(4-cyanophenoxy)-2-hydroxy-2-methylpropanamide


製品表彰状 (2)

  • Trafficking of drug candidates relevant for sports drug testing: detection of non-approved therapeutics categorized as anabolic and gene doping agents in products distributed via the Internet. [Thevis M, et al. Drug Test Anal 2011;3(5):331-6]

    PubMed: 21538997
  • Mass spectrometric characterization of glucuronides formed by a new concept, combining Cunninghamella elegans with TEMPO. [Axel Rydevik, et al. J Pharm Biomed Anal 2013;84:278-84]

    PubMed: 23867089



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