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Small molecule inhibitors and biologics in treating nail psoriasis: A systematic review and network meta-analysis
I-Hsin Huang1, Po-Chien Wu2, Ting-Hua Yang3
1Department of Education, Taipei Medical University Hospital, Taipei, Taiwan.
Background:
Various systemic immunomodulating therapies have been investigated to treat nail psoriasis, but the efficacy remains unclear.
Objective:
To perform a systematic review and network meta-analysis to evaluate the efficacy of small molecule inhibitors and biologics in treating nail psoriasis.
Methods:
Eligible studies in online databases were identified until March 10, 2020. To assess the efficacy of small molecule inhibitors and biologics, network meta-analyses with surface under the cumulative ranking curve of improvement in nail score at 10 to 16 and at 24 to 26 weeks, as well as 100% improvement of Nail Psoriasis Severity Index (NAPSI), were performed.
Results:
Thirty-nine studies with a total of 13 treatment arms involving 15,673 patients with nail psoriasis were included. An network meta-analysis showed that tofacitinib (weighted mean difference, 56.67; 95% confidence interval [CI], 35.87-77.48) and ixekizumab (weighted mean difference, 59.40; 95% CI, 45.87-72.93) presented the most improvement of nail score at 10 to 16 weeks and 24 to 26 weeks, respectively. For 100% improvement of the Nail Psoriasis Severity Index, ixekizumab showed the best efficacy among all treatments (odds ratio, 2.98; 95% CI, 1.74-5.10).
Limitations:
Insufficiency of eligible data and no long-term follow-up data.
Conclusion:
Tofacitinib and ixekizumab presented the best efficacy for treating nail psoriasis in 10 to 16 weeks and 24 to 26 weeks, respectively.
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