About this trial
This clinical study will compare a radiofrequency (RF) treatment with a standard topical treatment for adults with mild-to-moderate inflammatory facial acne vulgaris.
Approximately 60 participants will be randomly assigned to one of two treatment groups. Participants in the RF group will receive three treatment sessions using the Density Noir radiofrequency system at 6-week intervals. Participants in the topical treatment group will use a combination gel containing adapalene 0.1% and benzoyl peroxide 2.5% once daily for 12 weeks. Participants in both groups will be followed for an additional 12 weeks after completion of treatment.
The main purpose of the study is to compare how well the two treatments reduce the number of inflammatory acne lesions and facial sebum production. The study will also evaluate treatment safety and tolerability. Additional assessments will include overall acne severity, skin redness, dermal thickness, quality of life, treatment-related pain, participant satisfaction, and durability of treatment response.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Male or female participants aged 18-40 years.
Clinical diagnosis of mild-to-moderate inflammatory facial acne vulgaris, defined as Investigator Global Assessment (IGA) Grade 2 or 3.
Presence of 10-40 inflammatory facial lesions (papules and pustules).
Willing and able to comply with the study requirements, treatment schedule, and follow-up visits.
Disqualifiers
Severe acne, including nodulocystic acne.
Active skin infection, open wound, or other significant dermatologic condition in the treatment area that may interfere with study assessments or treatment.
Use of systemic isotretinoin within the protocol-specified period before enrollment.
Recent use of systemic or topical acne treatments that may interfere with evaluation of the study interventions.
Trial design
Parallel
Treatments tested in this trial
Adapalene 0.1% and Benzoyl Peroxide 2.5% gel
DrugParticipants will apply a fixed-combination topical gel containing adapalene 0.1% and benzoyl peroxide 2.5% once daily to the entire face for 12 weeks.
Sequential Radiofrequency Treatment
DeviceParticipants will receive three radiofrequency treatment sessions using the Density Noir System (6.78 MHz) at 6-week intervals. Treatment consists of two sequential phases: global facial treatment using the Classic F Tip in MONO+BI mode, followed by targeted treatment of individual inflammatory acne lesions using the Classic E Tip in bipolar mode.
Treatment groups
Trial outcomes
Primary outcomes
Change From Baseline in Inflammatory Lesion Count
Change in the number of facial inflammatory acne lesions from baseline to 12 weeks after completion of treatment will be assessed for each treatment group.
Secondary outcomes
Percentage of Participants Achieving Investigator Global Aesthetic improvement scale (IGAIS) Responder Status at Week 24
Proportion of participants achieving an IGAIS score of 0 (clear) or 1 (almost clear) with at least a 2-grade improvement from baseline.
Change From Baseline in Erythema Index at week 24.
Change in erythema index at a standardized inflammatory lesion site will be measured using a colorimeter.
Change From Baseline in Dermatology Life Quality Index (DLQI) at week 24
Change in total Dermatology Life Quality Index score will be assessed to evaluate the impact of treatment on participants' dermatology-related quality of life.
Participant Global Satisfaction With Treatment at week 24
Participant satisfaction (using participant GAIS) with the treatment outcome will be assessed using the standardized study question at the final follow-up visit.
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