Effectiveness of 577-nm Pro-Yellow Laser in Managing Inflammatory Acne: Results from a Quasi-Randomized Clinical Trial

Background: Acne has been treated with many types of lasers in recent years. It has been found that vascular laser effectively and safely reduce inflammation in acne lesions. Objective: To evaluate the efficacy and safety of a 577-nm pro-yellow laser with traditional treatment for patients with mild to moderate inflammatory acne. Methods: A quasi-randomized clinical trial study was conducted in a private dermatology clinic in Baghdad from January 2025 to January 2026 on 140 patients diagnosed with mild to moderate inflammatory acne and randomly divided into two groups: Group A (70 patients) underwent three laser treatment sessions/week, and group B (70 patients) received traditional treatment (topical, systemic, adjunctive, or a combination thereof). Both groups were assessed at the first session (baseline) and after one and six months from treatment. Results: Acne severity and inflammatory lesion count show greater reduction in group A (p