Safety, Efficacy, and Patient Satisfaction With OnabotulinumtoxinA for the Treatment of Upper Facial Lines in Japanese Subjects.

BACKGROUNDOnabotulinumtoxinA treatment for glabellar lines (GL) or crow's-feet lines (CFL) was previously studied in Japanese subjects.OBJECTIVETo assess safety and efficacy of repeated onabotulinumtoxinA for moderate to severe GL and CFL in Japanese subjects.METHODSThis 13-month, double-blind, Phas