A Four‐Month Randomized, Double‐Blind Evaluation of the Efficacy of Botulinum Toxin Type A for the Treatment of Glabellar Lines in Women with Skin Types V and VI

• Published in: Dermatologic surgery Vol. 35; no. 3; pp. 429 - 436
• Main Authors: GRIMES, PEARL E., SHABAZZ, DWANA
• Format: Journal Article
• Language: English
• Published: Malden, USA Blackwell Publishing Inc 01.03.2009; by the American Society for Dermatologic Surgery, Inc; Wiley
• Subjects: Adolescent; Adult; African Americans; Aged; Biological and medical sciences; Botulinum Toxins, Type A - administration & dosage; Botulinum Toxins, Type A - therapeutic use; Cosmetic Techniques; Dermatology; Dose-Response Relationship, Drug; Double-Blind Method; Forehead; Humans; Medical sciences; Middle Aged; Neuromuscular Agents - administration & dosage; Neuromuscular Agents - therapeutic use; Patient Satisfaction; Skin Aging - drug effects; Skin plastic surgery; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases; Young Adult; Human; Enzyme; Dermatology; Metalloendopeptidases; Peptidases; Bontoxilysin; Forehead; Treatment; Efficiency; Surgery; Hydrolases; Female; Skin; Woman

BACKGROUND Histologic differences (e.g., dermal thickness, collagen fibers) between Caucasian and other racial and ethnic groups may affect wrinkle formation and influence responses to treatment with botulinum toxin type A (BoNT‐A). OBJECTIVE To evaluate the degree and duration of efficacy of 20 and...