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Lifestyle restrictions are associated with impaired quality of life but not reduction in relapse in ulcerative colitis
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Hajime Yamazaki, Masakazu Nagahori, Tadakazu Hisamatsu, Taku Kobayashi, Teppei Omori, Jimmy K. Limdi, John T. McLaughlin, Shu-Chen Wei, Jovelle Fernandez, Shunichi Fukuhara, Katsuyoshi Matsuoka
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Received November 29, 2024 Accepted March 18, 2025 Published online May 14, 2025
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DOI: https://doi.org/10.5217/ir.2024.00199
[Epub ahead of print]
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 Abstract
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- Background/Aims
Patients with ulcerative colitis (UC) in remission commonly restrict thir lifestyle to prevent relapse; however, the effectiveness and impact on quality of life (QOL) is unclear. This study investigated whether lifestyle restrictions are associated with relapse reduction and assessed their impact on QOL.
Methods
This multicenter, prospective cohort study was conducted in Japan (2018–2021) via the YOURS registry, enrolling patients with UC in clinical remission. Patients were followed for 2 years. A baseline questionnaire evaluated lifestyle restrictions in diet, work/study/housework, and physical exercise. QOL was assessed by Disease Impact Scale every 3 months during the first year of follow-up. Associations of lifestyle restrictions with relapse and QOL were assessed by Cox regression analysis and linear mixed-effects models, respectively.
Results
Among 911 patients in clinical remission for > 90 days, 63% had adopted dietary avoidance; 47%, work/study/housework avoidance; and 8%, physical exercise avoidance. Overall, 216 patients relapsed. Lifestyle restrictions were not associated with reduced risk of relapse (multivariableadjusted hazard ratios [95% confidence interval]: dietary avoidance, 1.08 [0.81–1.44]; and work/study/housework avoidance, 1.14 [0.87–1.50]); physical exercise avoidance was associated with increased relapse (multivariable-adjusted hazard ratio, 1.58; 95% confidence interval, 1.02–2.44). All lifestyle restrictions were associated with impaired QOL (P <0.01).
Conclusions
Lifestyle restrictions were not associated with relapse reduction in patients with UC; however, they were associated with impaired QOL. Clinicians should engage in evidence-based discussions with patients with UC in remission regarding lifestyle restrictions (UMIN Clinical Trials Registry; UMIN000031995).
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