An open-label clinical trial designed to measure the efficacy, safety and patient satisfaction of the latest monopolar capacitively coupled radiofrequency (MRF) device (Thermage FLX) for noninvasive lifting and tightening of the face and upper neck found statistically significant improvement in skin laxity six months post-treatment, especially in the jowls and melolabial folds.
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Mitchel P. Goldman, MD, et al, treated 40 subjects (30 to 60 years of age) with mild-to-moderate skin laxity of the face and upper neck with the device, which features larger tips, vibration, cooling and impedance matching.
Subjects underwent one session with MRF and were pretreated with ketorolac 60 mg intramuscular injection. Follow-up evaluations were performed on Days 30, 60 and 180.
The study, published in Dermatologic Surgery (June 2021), found that the Thermage FXL produced statistically significant improvement in skin laxity six months post-treatment, especially in the jowls and melolabial folds. According to the Investigator Global Aesthetic Improvement Score, 73% of subjects had improvement at six months post-treatment. Subject satisfaction and improvement questionnaires supported these findings.