View clinical trials related to Glabellar Frown Lines.
Filter by:This clinical trial is an extended clinical trial for test subjects who participated in the phase 3 clinical trial of PT_BTA_P3_21 (clinical trial plan number) and completed follow-up observation up to 16 weeks after administration of clinical trial drugs, and evaluates the effectiveness and safety of repeated administration of protoxin in those with moderate or severe brow wrinkles.
The current literature suggests that zinc supplementation may increase the duration of botulinum toxin; however, each study had their limitations. Further, no one has studied the effect of zinc supplementation for botulinum toxin treatment of the forehead. The purpose of this study is to evaluate the effect of zinc supplementation on frontalis muscle denervation by objectively assessing the degree of forehead rhytids and movement of the eyebrows.
This is a blinded, randomized study in the US to compare the duration response of two different concentrations of Xeomin in healthy female subjects with moderate to severe dynamic glabellar lines on maximum frown.