Abstract
Accumulating evidence suggests that botulinum neurotoxins (BoNTs), which inhibit acetylcholine release, can be used for treating plaque psoriasis. The therapeutic effects of scopolamine occur through antagonism of central muscarinic acetylcholine receptors. Thus, scopolamine has potential for the treatment of psoriasis. We aimed to evaluate the efficacy and safety of scopolamine plus propofol for the treatment of recalcitrant psoriasis. Twelve patients with recalcitrant psoriasis were enrolled. Patients received intravenous injection of scopolamine plus propofol for 5 consecutive days per month for a total of 3 months. Clinical efficacy was evaluated using a Psoriasis Area and Severity Index (PASI) score. Efficacy outcome was ≥75% reduction in PASI score (PASI75) from baseline. Two patients were lost to follow-up. At week 8, two of 10 patients (20%) achieved PASI75, and at week 12, seven of 10 (70%) achieved PASI75. Treatment was well tolerated, with no reported adverse events. Our study revealed the efficacy and safety of scopolamine plus propofol for the treatment of recalcitrant psoriasis. Scopolamine plus propofol therapy may be a new treatment for recalcitrant psoriasis.
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