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  • Title: Treatment of nail psoriasis with intralesional triamcinolone acetonide using a needle-free jet injector: a prospective trial.
    Author: Nantel-Battista M, Richer V, Marcil I, Benohanian A.
    Journal: J Cutan Med Surg; 2014; 18(1):38-42. PubMed ID: 24377472.
    Abstract:
    BACKGROUND: Treating nail psoriasis is challenging. Corticosteroid matrix injection with needle is a conventional treatment but pain is often a limitation. OBJECTIVE: Evaluate efficacy and safety of triamcinolone acetonide needle-free injection with the Med-Jet MBX in psoriatic fingernail. METHODS: Seventeen patients were enrolled between January 2012 and January 2013. Four treatments sessions were scheduled every 4 ± 1 weeks. Clinical efficacy was evaluated according to Nail Psoriasis Severity Index (NAPSI) score of target nail differences before and after the treatment. RESULTS: Mean baseline NAPSI score was 6.5 on an 8-point scale (95% confidence interval [CI] 5.652-7.348) and mean final NAPSI score was 2.8 on an 8-point scale (95% CI 1.859-3.741), demonstrating statistically significant treatment efficacy (p = .0007). NAPSI score for target nail from baseline to end of treatment was decreased by 46.25%. CONCLUSION: Treatment with triamcinolone acetonide delivered by Med-Jet MBX is a safe, minimally painful and effective treatment for nail psoriasis.
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