Efficacy and Safety of the Micro-insulated Needle Radiofrequency Device for Reduction of Submental Fat

Abstract

BACKGROUND Recently, it has been reported that a micro-insulated needle radiofrequency (RF) system is effective at achieving subcutaneous fat reduction; however, no study has yet applied this technique to reduce submental fat. OBJECTIVE To evaluate the efficacy and safety of a fractional RF device with a micro-insulated needle to reduce submental fat. MATERIALS AND METHODS In this prospective, single-blinded, pre-post comparative study, 24 adults with excess submental fat were treated once using a micro-insulated needle RF device. Outcomes included efficacy (submental fat rating by an independent investigator, fat volume quantified with a 3-dimensional camera, and patient satisfaction), assessed 1 and 2 months after the procedure, and safety (adverse events), assessed throughout the study. RESULTS The patients' Physician-Assisted Submental Fat Rating Scale score significantly decreased after 1 month and further decreased after 2 months. The average volume of submental fat was significantly decreased after 2 months (20.44 6 5.53 cc to 16.41 6 4.58 cc, p , .001). Patient satisfaction was high. Transient and mild local skin reactions without longterm sequelae were observed in 4 patients. CONCLUSION The micro-insulated needle RF device is beneficial for the reduction of submental fat and has tolerable safety profiles. Trial registration ClinicalTrials.gov Identifier: NCT05517824.

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“…However, they may necessitate multiple sessions, and the results can take time to become noticeable. On the other hand, non-surgical energy-based methods, such as radiofrequency devices and cryolipolysis, can provide more rapid results with a single session but may entail discomfort during treatment and potentially longer recovery times due to swelling and bruising [1][2][3][4][5][6][7][8][9].…”

“…The increasing concern regarding these issues has driven interest in non-invasive and minimally invasive treatments for submental fat and tissue laxity. Patients now have various treatment options, including injectable treatments, nonsurgical energy-based methods, and surgical procedures [1][2][3][4][5][6][7][8][9][10]. One minimally invasive option is laser lipolysis.…”