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Multicenter Study
. 2023 Sep;55(9):1194-1200.
doi: 10.1016/j.dld.2023.05.004. Epub 2023 May 25.

Deep ulcers are associated with increased C-reactive protein in active ulcerative colitis

P Rivière  1 , A Le Chevillier  2 , A Rullier  3 , M Marty  4 , E Schurr  5 , B Lapuyade  6 , B Célerier  7 , B Fernandez  7 , T Bessissow  8 , X Treton  9 , M Uzzan  10 , F Poullenot  2 , A Berger  2 , F Zerbib  2 , D Laharie  11
Affiliations
Multicenter Study

Deep ulcers are associated with increased C-reactive protein in active ulcerative colitis

P Rivière et al. Dig Liver Dis. 2023 Sep.

Abstract

Background: Increased C-reactive protein (CRP) is used to diagnose and predict response to treatment in acute severe ulcerative colitis (UC).

Aims: To investigate the connection between CRP elevation and deep ulcers in UC.

Methods: Patients with active UC were enrolled in a multicenter prospective cohort and a retrospective cohort of consecutive patients undergoing colectomy from 2012 to 2019.

Results: Forty-one (9 (22%) with deep ulcers) patients were included in the prospective cohort: 4/5 (80%) patients with CRP > 100 mg/L, 2/10 (20%) patients with CRP between 30 and 100 mg/L and 3/26 (12%) patients with CRP < 30 mg/L had deep ulcers (p = 0.006). In the retrospective cohort [46 patients (31 (67%) with deep ulcers)], 14/14 (100%) patients with CRP > 100 mg/L, 11/17 (65%) patients with CRP between 30 and 100 mg/l and 6/15 (40%) patients with CRP < 30 mg/L had deep ulcers (p = 0.001). Positive predictive value of CRP > 100 mg/l for presence of deep ulcers was 80% and 100% in both cohorts, respectively.

Conclusions: CRP elevation is a robust surrogate marker for presence of deep ulcers in UC. Elevated CRP or presence of deep ulcers could influence the choice of medical therapy in acute severe UC.

Keywords: Acute severe ulcerative colitis; Albumin; C-reactive protein; Deep ulcers; Endoscopy; Severe endoscopic lesions; UCEIS; Ulcerative colitis.

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Conflict of interest statement

Conflict of interest PR declares consultancy fees from Abbvie, Amgen and Janssen. FP declares consultancy fees, bords or transports from Abbvie, MSD, Takeda, Ferring, Janssen, Pfizer FZ is a speaker for Janssen. DL declares counseling, boards, transports or fees from Abbvie, Biogaran, Biogen, Ferring, HAC-pharma, Janssen, MSD, Novartis, Pfizer, Prometheus, Roche, Takeda, Theradiag, Tillots. ES, ALC, AR, MM, BL, BF, BC and AB have no conflict of interest. XT declares counseling, boards, transports or fees from Abbvie, Janssen, MSD, Pfizer, Galapagos, Takeda, Tillots, Celltrion, Sandoz and participations in Thabor Therapeutics. MU declares counseling, boards, transports or fees from Abbvie, Celltrion, Fresenus Kabi, Galapagos, Janssen, Takeda. TB has received consulting fees from AbbVie, Alimentiv, Bristol Myers Squibb, Ferring, Janssen, Pfizer, Roche, Sandoz, Takeda; speaker's fees from AbbVie, Amgen, Bristol Myers Squibb, Ferring, Fresenius Kabi, Gilead, Janssen, Organon, Pendopharm, Pfizer, Sandoz, Takeda, and Viatris; research support from Janssen and Pentax.

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