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Systematic Reviews
Copyright: ©Author(s) 2026.
World J Clin Cases. Apr 26, 2026; 14(12): 119171
Published online Apr 26, 2026. doi: 10.12998/wjcc.v14.i12.119171
Table 1 Summary of risk of bias assessment for randomized controlled trials (n = 25)
Risk of bias rating
n (%)
Specific trials
Low risk across all domains22 (88)20 original trials + Warren et al[2], 2025 + Tanaka et al[3], 2024
Some concerns3 (12)1 small phase 2 trial (randomization), 1 trial (missing data), Guttman-Yassky et al[1], 2025 (open-label extension)
High risk0 (0)None


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