(mirabegron) Extended Release Tablets


Mirabegron is a beta-3 adrenergic agonist. The chemical name is 2-(2-aminothiazol-4-yl)-N-[4-(2-{[(2R)-2-hydroxy- 2-phenylethyl]amino}ethyl)phenyl]acetamide having an empirical formula of C21H24N4O2S and a molecular weight of 396.51. The structural formula of mirabegron is:

MYRBETRIQTM (mirabegron)  Structural Formula Illustration

Mirabegron is a white powder. It is practically insoluble in water (0.082 mg/mL). It is soluble in methanol and dimethyl sulfoxide.

Each Myrbetriq extended release tablet, for oral administration contains either 25 mg or 50 mg of mirabegron and the following inactive ingredients: polyethylene oxide, polyethylene glycol, hydroxypropyl cellulose, butylated hydroxytoluene, magnesium stearate, hypromellose, yellow ferric oxide, and red ferric oxide (25 mg tablet only).

Last reviewed on RxList: 3/25/2013
This monograph has been modified to include the generic and brand name in many instances.


Additional Myrbetriq Information

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