Allergan’s Botox Gets Spasticity Expanded Label

FDA has approved an Allergan label expansion for Botox to include eight new muscles for treating upper limb spasticity in adults. The company says the new muscles include those in the elbow and forearm (brachialis, brachioradialis, pronator teres, and pronator quadratus), as well as intrinsic hand muscles (lumbricals and interossei) and thumb muscles (flexor pollicis brevis and opponens pollicis). The label now includes the use of ultrasound as a muscle localization technique in adult spasticity, it says. Botox has been shown to significantly reduce muscle stiffness and is indicated for the treatment of spasticity in patients two years of age and older.

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