Ostarine (MK-2866) is a selective androgen receptor modulator (SARM) with anabolic activity. Ostarine (MK-2866) also resulted in a dose-dependent decrease in LDL and HDL cholesterol levels, with the average LDL/HDL ratio remaining in the low risk category. 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 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.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
|Solubility||DMSO 70 mg/mL
Ethanol 70 mg/mL
Recent advances in the development of selective androgen receptor modulators.
Zhang X, et al. Expert Opin Ther Pat. 2009 Sep;19(9):1239-58. PMID: 19505196.
Nonsteroidal selective androgen receptor modulators (SARMs): dissociating the anabolic and androgenic activities of the androgen receptor for therapeutic benefit.
Mohler ML, et al. J Med Chem. 2009 Jun 25;52(12):3597-617. PMID: 19432422.
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GSK 2881078 is a selective androgen receptor modulator potentially for the treatment of cachexia. GSK 2881078 is a selective androgen receptor modulator (SARM) that is being evaluated for effects on muscle growth and strength in subjects with muscle wasting to improve their physical function.
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