Bacillus Calmette-Guerin, polysaccharide nucleic acid in the treatment of cutaneous and oral lichen planus

Abstract

The aim of this study was to evaluate the safety and efficacy of Bacillus Calmette-Guerin, polysaccharide nucleic acid (BCG-PSN) therapy in the treatment of oral and cutaneous LP. Twenty-four LP patients were included in this study and classified randomly into; Oral LP group (OLP), 11 patients and Cutaneous LP group (CLP), 13 patients. All patients received intradermal injections of BCG-PSN, twice weekly for three weeks. Patients with complete response were followed up for 3 months. The assessment in OLP was based on the reduction in the treated area, (Reticulation/Erythema/Ulceration) REU scoring system and numerical rating scale (NRS). CLP evaluated by the response to treatment as (complete, partial and no response) and visual analogue scale (VAS). There were highly significant differences in the diminution of lesion areas (p < .006), NRS scores (p < .001), REU score (p < .011), and VAS (p < .001) after treatment. The majority of patients achieved complete response after 3-week management. The BCG-PNS is safe and effective in the treatment of oral and cutaneous LP.

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