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Supplementary Material for: Early phase partial Mayo score following golimumab treatment is associated with endoscopic improvement at 1-year in ulcerative colitis; A post hoc analysis of PURSUIT-J randomized controlled trial

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posted on 02.08.2022, 09:13 authored by Nagano K., Imai Y., Ukyo Y., Kobayashi T., Yokoyama S.
Objective: Golimumab (GLM) is an anti-tumor necrosis factor-alpha antibody therapy for moderately to severely active ulcerative colitis (UC). Endoscopic improvement is considered one of UC treatment's main goals, and earlier prediction of future endosopic improvement has clinical implications. We retrospectively analyzed data from the PURSUIT-J, a phase III randomized controlled trial evaluating the efficacy of GLM in the maintenance phase, to find predictors for endoscopic improvement after 60 weeks of GLM treatment. Methods: Ninety-two patients who had completed the maintenance phase of the PURSUIT-J were divided into two groups: those with Mucosal healing (MHs : Mayo endoscopic subscore of 0 or 1) and those without MH at week 60 (non-MHs). Multivariate logistic regression analysis was conducted using baseline data in the induction phase to determine predictive factors for MHs compared to non-MHs. Results: Twenty-nine patients were classified as MHs and 63 as non-MHs. The multivariate logistic regression analysis showed that the odds ratio for partial Mayo (pMayo) score was highest in MHs (1.87 [95% CI 1.18–2.98]) at baseline in the induction phase. The receiver operating characteristic analysis to determine the timing of predictions of MHs using pMayo showed that an area under the curve reached 0.8 at week 14 after the first GLM administration. Conclusions: pMayo scores at week 14 of GLM treatment are associated with MH at week 60. These results suggest the timing of when a clinical decision to continue GLM based on the patient-reported outcomes and the physician’s general assessment could be considered.

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