Intestinal research · 2025
Fecal surrogate markers strongly correlate with endoscopic findings in pediatric onset inflammatory bowel disease: a retrospective study in Japan.
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Yoshimura Ryoko, Kudo Takahiro, Toda Masanori, Kashiwagi Kosuke, Nagata Masumi, Aoki Kaori, Ito Natsuki, Tokita Kazuhide, Arai Nobuyasu, Kyodo Reiko, Sato Masamichi, Miyata Eri, Jimbo Keisuke, Ohtsuka Yoshikazu, Shimizu Toshiaki, Shoji Hiromichi
Аннотация
BACKGROUND/AIMS: Endoscopy serves as the gold standard for assessing disease activity in inflammatory bowel disease (IBD). Noninvasive biomarkers have been under exploration as potential alternatives. This study aims to examine the diagnostic effectiveness of fecal immunochemical tests, along with levels of fecal calprotectin (FC) and fecal lactoferrin (FL), in stool samples from patients with early-onset IBD.
METHODS: Children with childhood-onset IBD who visited the Department of Pediatrics and Adolescent Medicine at Juntendo University Hospital between August 2019 and July 2023 were included. FC levels, FL levels, and fecal immunochemical test results were measured using a colloidal gold agglutination assay. Fecal biomarker results and endoscopic findings were reviewed retrospectively.
RESULTS: Sixty-five patients had ulcerative colitis (UC), 20 had Crohn's disease (CD), and 3 had unclassified IBD. The participants, aged 3-27 years (median, 18.0 years), included 56 males and 32 females. Stool samples (n = 1,105) were analyzed, from 803 with UC, 251 with CD, and 51 with IBD. Endoscopic evaluations were conducted in 45 UC patients and 18 CD patients. A significant correlation was found between the FC and FL. These biomarkers were significantly correlated with the endoscopic activity index in both UC and CD patients.
CONCLUSIONS: FC is valuable for diagnosing endoscopic inflammation and predicting recurrence. A significant correlation was observed between FC and FL. In patients with UC and CD, both markers strongly correlated with endoscopic activity. Thus, FC and FL can serve as a reliable alternative to endoscopic evaluation in pediatric patients with childhood-onset IBD.
METHODS: Children with childhood-onset IBD who visited the Department of Pediatrics and Adolescent Medicine at Juntendo University Hospital between August 2019 and July 2023 were included. FC levels, FL levels, and fecal immunochemical test results were measured using a colloidal gold agglutination assay. Fecal biomarker results and endoscopic findings were reviewed retrospectively.
RESULTS: Sixty-five patients had ulcerative colitis (UC), 20 had Crohn's disease (CD), and 3 had unclassified IBD. The participants, aged 3-27 years (median, 18.0 years), included 56 males and 32 females. Stool samples (n = 1,105) were analyzed, from 803 with UC, 251 with CD, and 51 with IBD. Endoscopic evaluations were conducted in 45 UC patients and 18 CD patients. A significant correlation was found between the FC and FL. These biomarkers were significantly correlated with the endoscopic activity index in both UC and CD patients.
CONCLUSIONS: FC is valuable for diagnosing endoscopic inflammation and predicting recurrence. A significant correlation was observed between FC and FL. In patients with UC and CD, both markers strongly correlated with endoscopic activity. Thus, FC and FL can serve as a reliable alternative to endoscopic evaluation in pediatric patients with childhood-onset IBD.