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Cohen NA, Choden T, Dyer EC, Garcia NM, Choi NK, Rubin DT. Utility of the Endoscopic Healing Index in Identifying Active Inflammation in Patients with Crohn's Disease: Real World Data from a Tertiary Center. Dig Dis Sci 2024; 69:2955-2960. [PMID: 38811503 DOI: 10.1007/s10620-024-08492-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 05/08/2024] [Indexed: 05/31/2024]
Abstract
BACKGROUND The Endoscopic Healing Index (EHI) analyzes biomarkers in a patient's peripheral blood to assess mucosal healing. We aimed to characterize the effectiveness of the EHI as a predictor of disease activity in a real world clinical setting. METHODS This retrospective study looked at patients treated and followed up at the University of Chicago Medicine IBD center who had EHI tests done as part of routine clinical care. The results of the EHI were compared with radiological imaging or endoscopy performed within 3 months of the EHI in order to determine accuracy at diagnosing active inflammation. RESULTS Fifty-five patients with CD and with an available EHI were included in this study. Four (50%) patients with an EHI of < 20 (n = 8) had evidence of objective inflammation. A cutoff of ≤ 20 had a sensitivity of 89% and specificity of 23.5% for predicting no evidence of any objective inflammation with an AUROC of 0.69. This score had a negative predictive value (NPV) of 50% and positive predictive value (PPV) of 72.3%. A cutoff EHI of 30 tended to classify patients as either having objective evidence of inflammation or not more often than FCAL (Correctly classifying inflammation: 89% vs 64%, respectively; p = 0.32). CONCLUSION In this real world analysis, the EHI showed poor predictive value for the absence of active inflammation as assessed by imaging or endoscopy, has limited utility in confirming deep remission and should be used with another objective modality.
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Affiliation(s)
- Nathaniel A Cohen
- Inflammatory Bowel Disease Center, University of Chicago Medicine, MD 5841 S. Maryland Avenue, MC 4076, Chicago, IL, 60637, USA
| | - Tenzin Choden
- Inflammatory Bowel Disease Center, University of Chicago Medicine, MD 5841 S. Maryland Avenue, MC 4076, Chicago, IL, 60637, USA
| | - Emma C Dyer
- Inflammatory Bowel Disease Center, University of Chicago Medicine, MD 5841 S. Maryland Avenue, MC 4076, Chicago, IL, 60637, USA
| | - Nicole M Garcia
- Inflammatory Bowel Disease Center, University of Chicago Medicine, MD 5841 S. Maryland Avenue, MC 4076, Chicago, IL, 60637, USA
| | - Natalie K Choi
- Inflammatory Bowel Disease Center, University of Chicago Medicine, MD 5841 S. Maryland Avenue, MC 4076, Chicago, IL, 60637, USA
| | - David T Rubin
- Inflammatory Bowel Disease Center, University of Chicago Medicine, MD 5841 S. Maryland Avenue, MC 4076, Chicago, IL, 60637, USA.
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Kim K, Park JJ, Yoon H, Lee J, Kim KO, Kim ES, Kim SY, Boo SJ, Jung Y, Yoo JH, Hwang SW, Park SH, Yang SK, Ye BD. Application of clinical decision support tools for predicting outcomes with vedolizumab therapy in patients with inflammatory bowel disease: A KASID multicentre study. Aliment Pharmacol Ther 2024; 59:1539-1550. [PMID: 38616380 DOI: 10.1111/apt.17989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/25/2023] [Accepted: 03/25/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND/AIM We aimed to validate clinical decision support tools (CDSTs) to predict real-life effectiveness of vedolizumab (VDZ) in patients with inflammatory bowel disease. METHODS We retrospectively enrolled patients with Crohn's disease (CD) or ulcerative colitis (UC) treated with VDZ at 10 tertiary referral centres in Korea between January 2017 and November 2021. We assessed clinical remission (CREM) and response (CRES), corticosteroid-free clinical remission (CSF-CREM) and response (CSF-CRES), biochemical response based on C-reactive protein (BioRES[CRP]) and faecal calprotectin (BioRES[FC]), endoscopic healing (EH), and the need to optimise or switch drugs based on CDST-defined response groups. Additionally, the area under the receiver operating characteristics curve (AUC) for the CDSTs was calculated. RESULTS We included 143 patients with CD and 219 with UC. We observed incremental trends on CSF-CRES at week 14 (W14) (ptrend = 0.004) and decreasing trends for the need to optimise or switch drugs (ptrend = 0.016) in CD from the low to high probability groups. Except for CSF-CREM at W54, we noticed incremental trends for all clinical responses at W14, W26 and W54 (ptrend <0.001) in UC. W26 and W54 BioRES[CRP] and W14 EH also showed increasing trends (ptrend <0.05) in UC. With increasing probabilities of response, drug optimisation or switching was less frequently required in UC (ptrend = 0.013). With 26 points cut-off, CDSTs effectively identified W14 CSF-CRES, W26 BioRES[CRP], BioRES[FC] and W54 BioRES[CRP] in UC, all with AUCs >0.600, whereas CDSTs showed poor accuracy in CD. CONCLUSIONS CDSTs for VDZ had acceptable accuracy in predicting effectiveness outcomes including clinical and biochemical outcomes in UC. However, their utility in CD was limited.
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Affiliation(s)
- Kyuwon Kim
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Jae Jun Park
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyuk Yoon
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Jun Lee
- Department of Internal Medicine, Chosun University College of Medicine, Gwangju, Republic of Korea
| | - Kyeong Ok Kim
- Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Republic of Korea
| | - Eun Sun Kim
- Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Su Young Kim
- Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea
| | - Sun-Jin Boo
- Department of Internal Medicine, Jeju National University School of Medicine, Jeju, Republic of Korea
| | - Yunho Jung
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Republic of Korea
| | - Jun Hwan Yoo
- Department of Gastroenterology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, South Korea
| | - Sung Wook Hwang
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
- Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Sang Hyoung Park
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
- Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Suk-Kyun Yang
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
- Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Byong Duk Ye
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
- Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
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Seo J, Song S, Shin SH, Park S, Hong SW, Park SH, Yang DH, Ye BD, Byeon JS, Myung SJ, Yang SK, Hwang SW. Fecal Calprotectin in Patients with Crohn's Disease: A Study Based on the History of Bowel Resection and Location of Disease. Diagnostics (Basel) 2024; 14:854. [PMID: 38667499 PMCID: PMC11049016 DOI: 10.3390/diagnostics14080854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Fecal calprotectin (FC) is commonly used to assess Crohn's disease (CD) activity. However, standardized cut-off values accounting for bowel resection history and disease location are lacking. In this study, we analyzed data from patients with CD who underwent magnetic resonance enterography, ileocolonoscopy, and FC measurements from January 2017 to December 2018. In 267 cases from 254 patients, the FC levels in the 'operated' patients were higher when the disease was active compared with those who were in the remission group (178 vs. 54.7 μg/g; p < 0.001), and similar findings were obtained for the 'non-operated' patients (449.5 vs. 40.95 μg/g; p < 0.001). The FC levels differed significantly according to the location of inflammation, with lower levels in the small bowel compared to those in the colon. The FC cut-off levels of 70.8 μg/g and 142.0 μg/g were considered optimal for predicting active disease for operated and non-operated patients, respectively. The corresponding FC cut-off levels of 70.8 μg/g and 65.0 μg/g were observed for patients with disease only in the small bowel. In conclusion, different FC cut-off values would be applicable to patients with CD based on their bowel resection history and disease location. Tight control with a lower FC target may benefit those with a history of bowel resection or small-bowel-only disease.
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Affiliation(s)
- Jeongkuk Seo
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
| | - Subin Song
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
| | - Seung Hwan Shin
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
| | - Suhyun Park
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
| | - Seung Wook Hong
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
| | - Sang Hyoung Park
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
- Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
| | - Dong-Hoon Yang
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
| | - Byong Duk Ye
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
- Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
| | - Jeong-Sik Byeon
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
| | - Seung-Jae Myung
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
| | - Suk-Kyun Yang
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
- Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
| | - Sung Wook Hwang
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea; (J.S.); (S.S.); (S.H.S.); (S.W.H.); (S.H.P.); (D.-H.Y.); (B.D.Y.); (J.-S.B.); (S.-J.M.); (S.-K.Y.)
- Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Republic of Korea
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Behnoush AH, Maroufi SP, Reshadmanesh T, Mohtasham Kia Y, Norouzi M, Mohammadi SM, Klisic A, Khalaji A. Circulatory resistin levels in inflammatory bowel disease: a systematic review and meta-analysis. BMC Gastroenterol 2024; 24:107. [PMID: 38486190 PMCID: PMC10941394 DOI: 10.1186/s12876-024-03199-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 03/11/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND Inflammatory bowel disease (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), is a chronic relapsing-remitting systemic disease of the gastrointestinal tract with rising incidence. Studies have shown that adipocytes play a crucial role in patients with IBD by actively participating in systemic immune responses. The present study was designed to investigate the correlation between the circulatory levels of resistin, as an adipokine, and active and remission phases of IBD in comparison with healthy controls. METHODS Relevant articles were retrieved from PubMed, Embase, the Web of Science, and Scopus from inception until June 2023. Estimation of the standardized mean difference (SMD) and 95% confidence interval (CI) for comparison of plasma/serum resistin levels between IBD patients, patients in remission, and healthy controls were conducted through random-effect meta-analysis. RESULTS A total of 19 studies were included, assessing 1836 cases. Meta-analysis indicated that generally, serum/plasma resistin levels were higher in IBD patients in comparison with healthy controls (SMD 1.33, 95% CI 0.58 to 2.08, p-value < 0.01). This was true for each of the UC and CD separate analyses, as well. Moreover, it was shown that higher serum/plasma resistin levels were detected in the active phase of IBD than in the remission phase (SMD 1.04, 95% CI 0.65 to 1.42, p-value = 0.01). Finally, higher serum/plasma resistin levels were found in the remission phase compared to healthy controls (SMD 0.60, 95% CI 0.15 to 1.06, p-value < 0.01). CONCLUSION The results of this systematic review and meta-analysis support the conclusion that circulating resistin levels are increased in IBD (both UC and CD). Also, higher resistin levels were recorded in the remission phase of IBD in comparison with healthy controls. This indicates that further studies may provide valuable insights into the role of resistin in the pathogenesis of IBD.
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Affiliation(s)
- Amir Hossein Behnoush
- School of Medicine, Tehran University of Medical Sciences, Poursina St., Keshavarz Blvd, 1417613151, Tehran, Iran.
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
| | - Seyede Parmis Maroufi
- Neurosurgical Research Network, Universal Scientific Education and Research Network, Tehran University of Medical Sciences, Tehran, Iran
| | - Tara Reshadmanesh
- Student Research Center, School of Medicine, Zanjan University of Medical Science, Zanjan, Iran
| | | | - Mitra Norouzi
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | | | - Aleksandra Klisic
- Faculty of Medicine, University of Montenegro, Podgorica, Montenegro
- Center for Laboratory Diagnostics, Primary Health Care Center, Podgorica, Montenegro
| | - Amirmohammad Khalaji
- School of Medicine, Tehran University of Medical Sciences, Poursina St., Keshavarz Blvd, 1417613151, Tehran, Iran
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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Arosa L, Camba-Gómez M, Lorenzo-Martín LF, Clavaín L, López M, Conde-Aranda J. RNA Expression of MMP12 Is Strongly Associated with Inflammatory Bowel Disease and Is Regulated by Metabolic Pathways in RAW 264.7 Macrophages. Int J Mol Sci 2024; 25:3167. [PMID: 38542140 PMCID: PMC10970096 DOI: 10.3390/ijms25063167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 04/04/2024] Open
Abstract
Macrophage metalloelastase or matrix metalloproteinase-12 (MMP12) is a macrophage-specific proteolytic enzyme involved in the physiopathology of many inflammatory diseases, including inflammatory bowel disease. Although previously published data suggested that the modulation of MMP12 in macrophages could be a determinant for the development of intestinal inflammation, scarce information is available on the mechanisms underlying the regulation of MMP12 expression in those phagocytes. Therefore, in this study, we aimed to delineate the association of MMP12 with inflammatory bowel disease and the molecular events leading to the transcriptional control of this metalloproteinase. For that, we used publicly available transcriptional data. Also, we worked with the RAW 264.7 macrophage cell line for functional experiments. Our results showed a strong association of MMP12 expression with the severity of inflammatory bowel disease and the response to relevant biological therapies. In vitro assays revealed that the inhibition of mechanistic target of rapamycin complex 1 (mTORC1) and the stimulation of the AMP-activated protein kinase (AMPK) signaling pathway potentiated the expression of Mmp12. Additionally, AMPK and mTOR required a functional downstream glycolytic pathway to fully engage with Mmp12 expression. Finally, the pharmacological inhibition of MMP12 abolished the expression of the proinflammatory cytokine Interleukin-6 (Il6) in macrophages. Overall, our findings provide a better understanding of the mechanistic regulation of MMP12 in macrophages and its relationship with inflammation.
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Affiliation(s)
- Laura Arosa
- Molecular and Cellular Gastroenterology Group, Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, Spain; (L.A.); (M.C.-G.)
| | - Miguel Camba-Gómez
- Molecular and Cellular Gastroenterology Group, Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, Spain; (L.A.); (M.C.-G.)
| | | | - Laura Clavaín
- EGO Genomics, Scientific Park of the University of Salamanca, Adaja Street 4, Building M2, 37185 Villamayor, Spain;
| | - Miguel López
- NeurObesity Group, Department of Physiology, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- CIBER Fisiopatologia de la Obesidad y Nutrición (CIBERobn), 15706 Santiago de Compostela, Spain
| | - Javier Conde-Aranda
- Molecular and Cellular Gastroenterology Group, Health Research Institute of Santiago de Compostela (IDIS), 15706 Santiago de Compostela, Spain; (L.A.); (M.C.-G.)
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Kawamoto A, Takenaka K, Hibiya S, Kitazume Y, Shimizu H, Fujii T, Saito E, Ohtsuka K, Okamoto R. Combination of leucine-rich alpha-2 glycoprotein and fecal markers detect Crohn's disease activity confirmed by balloon-assisted enteroscopy. Intest Res 2024; 22:65-74. [PMID: 37939721 PMCID: PMC10850704 DOI: 10.5217/ir.2023.00092] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/13/2023] [Accepted: 10/05/2023] [Indexed: 11/10/2023] Open
Abstract
BACKGROUND/AIMS Endoscopic activity confirmed by enteroscopy is associated with poor clinical outcome in Crohn's disease (CD). We investigated which of the existing biomarkers best reflects endoscopic activity in CD patients including the small bowel, and whether their combined use can improve accuracy. METHODS One hundred and four consecutive patients with ileal and ileocolonic type CD who underwent balloon-assisted enteroscopy (BAE) from October 2021 to August 2022 were enrolled, with clinical and laboratory data prospectively collected and analyzed. RESULTS Hemoglobin, platelet count, C-reactive protein, leucine-rich alpha-2 glycoprotein (LRG), fecal calprotectin, and fecal hemoglobin all showed significant difference in those with ulcers found on BAE. LRG and fecal calprotectin showed the highest areas under the curve (0.841 and 0.853) for detecting ulcers. LRG showed a sensitivity of 78% and specificity of 80% at a cutoff value of 13 μg/mL, whereas fecal calprotectin showed a sensitivity of 91% and specificity of 67% at a cutoff value of 151 μg/g. Dual positivity for LRG and fecal calprotectin, as well as LRG and fecal hemoglobin, both predicted ulcers with an improved specificity of 92% and 100%. A positive LRG or fecal calprotectin/hemoglobin showed an improved sensitivity of 96% and 91%. Positivity for LRG and either of the fecal biomarkers was associated with increased risk of hospitalization, surgery, and relapse. CONCLUSIONS The biomarkers LRG, fecal calprotectin, and fecal hemoglobin can serve as noninvasive and accurate tools for assessing activity in CD patients confirmed by BAE, especially when used in combination.
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Affiliation(s)
- Ami Kawamoto
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
- Department of Endoscopic Unit, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kento Takenaka
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shuji Hibiya
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
- Department of Endoscopic Unit, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yoshio Kitazume
- Department of Radiology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiromichi Shimizu
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Toshimitsu Fujii
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Eiko Saito
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kazuo Ohtsuka
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
- Department of Endoscopic Unit, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ryuichi Okamoto
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
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Chen J, Chen H, Huang Y, Xie H, Li S, Wang C. Serum food specific IgG antibodies are associated with small bowel inflammation in patients with Crohn's disease. Eur J Clin Nutr 2024; 78:48-53. [PMID: 37726342 DOI: 10.1038/s41430-023-01343-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 09/04/2023] [Accepted: 09/08/2023] [Indexed: 09/21/2023]
Abstract
BACKGROUND/AIMS Food antigens are thought to play a vital role in the initiation and perpetuation of Crohn's disease (CD). The main purpose of this study was to evaluate the potential association of serum food specific IgG antibodies and small bowel (SB) inflammation in CD patients. METHODS We conducted a prospective observational study with 96 CD patients. Demographic, disease-related data and inflammatory parameters were collected. Serum food IgG antibodies were measured using enzyme-linked immunosorbent assay (ELISA). Capsule endoscopy was performed to detect SB inflammation quantified by the Lewis Score. RESULTS Seventy-eight of (81.3%) CD patients were detected positive for at least one food-specific antibody. The five most prevalent food antibodies in CD patients were tomato, egg, corn, rice, and soybean. Patients with SB inflammation had a higher positive rate of food IgG antibodies (P = 0.010) and more IgG-positive food items (P = 0.010) than those without. Specifically, patients with SB inflammation were more likely to have positive food-specific IgG against egg (P = 0.014), corn (P = 0.014), and wheat (P = 0.048). Additionally, the number of positive food IgGs ≥ 3 and elevated ESR were independently associated with concurrent SB inflammation (P = 0.015 and P = 0.013, respectively). CONCLUSION Our study confirmed that CD patients with SB inflammation had a higher positive rate of food IgG antibodies and more IgG-positive food items. The number of food positive IgGs ≥ 3 and elevated ESR were independently associated with concurrent SB inflammation.
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Affiliation(s)
- Jintong Chen
- Department of Gastroenterology, the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Clinical Research Center for Liver and Intestinal Diseases, Fuzhou, China
- Department of Gastroenterology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Huaning Chen
- Department of Rheumatology, the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Yanni Huang
- Department of Gastroenterology, the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Clinical Research Center for Liver and Intestinal Diseases, Fuzhou, China
- Department of Gastroenterology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Hongchai Xie
- Department of Gastroenterology, Zhongshan Hospital Affiliated to Xiamen University, Xiamen, China
| | - Silin Li
- Department of Gastroenterology, the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Chengdang Wang
- Department of Gastroenterology, the First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
- Fujian Clinical Research Center for Liver and Intestinal Diseases, Fuzhou, China.
- Department of Gastroenterology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
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8
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Park J. Which biomarkers best reflect the degree of inflammation in Crohn's disease? Intest Res 2024; 22:1-2. [PMID: 38327001 PMCID: PMC10850703 DOI: 10.5217/ir.2023.00161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 11/14/2023] [Indexed: 02/09/2024] Open
Affiliation(s)
- Jihye Park
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
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Lv F, Chen J, Wan Y, Si J, Song M, Zhu F, Du S, Shang Y, Man T, Zhu L, Ren K, Piao Y, Zhu C, Deng SY. Amplification of an Electrochemiluminescence-Emissive Aptamer into DNA Nanotags for Sensitive Fecal Calprotectin Determination. Anal Chem 2023; 95:18564-18571. [PMID: 38060825 DOI: 10.1021/acs.analchem.3c04390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
The precision additive manufacturing and tessellated multitasking out of the structural DNA nanotechnology enable a configurable expression of densified electrochemiluminescent (ECL) complexes, which would streamline the bioconjugation while multiplying signals. Herein, a completely DNA-scaffold ECL "polyploid" was replicated out via the living course of rolling circle amplification. The amplicon carried the aptameric sequences of ZnPPIX/TSPP porphyrin as photoreactive centers that rallied at periodical intervals of the persistent extension into a close-packed nanoflower, ZnPDFI/II. Both microscopies and electrophoresis proved the robust nesting of guests at their deployed gene loci, while multispectral comparisons among cofactor substituents pinpointed the pivotal roles of singlet seclusion and Zn2+-chelation for the sake of intensive ECL irradiation. The adversity-resilient hydrogel texture made lipoidal filmogens as porphyrinic ECL prerequisites to be of no need at all, thus not only simplifying assay flows but also inspiring an in situ labeling plan. Upon bioprocessing optimization, an enriched probe ZnPDFIII was further derived that interpolated the binding motif related to calprotectin as validated by molecular docking and affinity titration. With it being a strongly indicative marker of inflammatory bowel disease (IBD), a competitive ECL aptasensing strategy was contrived, managing a signal-on and sensitive detection in mild conditions with a subnanogram-per-milliliter limit of detection by 2 orders of magnitude lower than the standard method as well as a comparable accuracy in clinical stool sample testing. Distinct from those conventional chemophysical rebuilding routes, this de novo biosynthetic fusion demonstrated a promising alternative toward ECL-source bioengineering, which may intrigue vibrant explorations of other ECL-shedding fabrics and, accordingly, a new bioanalytic mode downstream.
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Affiliation(s)
- Fujin Lv
- Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Jialiang Chen
- Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Ying Wan
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Jingyi Si
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Meiyan Song
- Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Fulin Zhu
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Songyuan Du
- Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yuzhe Shang
- Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Tiantian Man
- School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Longyi Zhu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Kewei Ren
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yuhao Piao
- Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Changfeng Zhu
- Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
- Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China
| | - Sheng-Yuan Deng
- Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
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10
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Ananthakrishnan AN, Adler J, Chachu KA, Nguyen NH, Siddique SM, Weiss JM, Sultan S, Velayos FS, Cohen BL, Singh S. AGA Clinical Practice Guideline on the Role of Biomarkers for the Management of Crohn's Disease. Gastroenterology 2023; 165:1367-1399. [PMID: 37981354 DOI: 10.1053/j.gastro.2023.09.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
BACKGROUND & AIMS Biomarkers are used frequently for evaluation and monitoring of patients with Crohn's disease (CD). This American Gastroenterological Association (AGA) guideline is intended to support practitioners in decisions about the use of biomarkers for the management of CD. METHODS A multidisciplinary panel of content experts and guideline methodologists used the Grading of Recommendations Assessment, Development and Evaluation framework to formulate patient-centered clinical questions and review evidence on the performance of fecal calprotectin, serum C-reactive protein (CRP), and Endoscopic Healing Index in patients with established CD who were asymptomatic, had symptoms of varying severity, or were in surgically induced remission. Biomarker performance was assessed against the gold standard of endoscopic activity, defined as a Simple Endoscopic Score for Crohn's Disease ≥3. The panel used the Grading of Recommendations Assessment, Development and Evaluation Evidence-to-Decision framework to develop recommendations for use of biomarkers in various settings. Implementation considerations were formulated for each recommendation to inform clinical practice. RESULTS The guideline panel made 11 conditional recommendations. In patients with CD in symptomatic remission, the panel suggests use of a biomarker- and symptom-based monitoring strategy over symptoms alone. In patients in symptomatic remission, a fecal calprotectin <150 μg/g and normal CRP rules out active inflammation, avoiding endoscopic evaluation for assessment of disease activity. However, elevated biomarkers in this setting merit confirmation with endoscopy before treatment adjustment. In patients with CD with mild symptoms, neither normal nor elevated biomarkers alone are sufficiently accurate to determine endoscopic activity. In patients with CD with moderate to severe symptoms, elevated fecal calprotectin or serum CRP suggests endoscopic activity, precluding routine endoscopic assessment for disease activity. In patients with CD in surgically induced remission in low-risk patients on pharmacologic prophylaxis, a normal fecal calprotectin reliably rules out endoscopic recurrence. In other postoperative settings, the panel suggests endoscopic assessment for establishing postoperative recurrence. CONCLUSIONS In patients with CD, fecal calprotectin and serum CRP can inform disease management in both asymptomatic and symptomatic disease. Discordance between symptom assessment and biomarker value may merit endoscopic evaluation for confirmation of status of disease activity.
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Affiliation(s)
- Ashwin N Ananthakrishnan
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jeremy Adler
- Division of Pediatric Gastroenterology, C.S. Mott Children's Hospital, Michigan Medicine, University of Michigan, Ann Arbor, Michigan; Susan B. Meister Child Health Evaluation and Research Center, University of Michigan, Ann Arbor, Michigan
| | - Karen A Chachu
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
| | - Nghia H Nguyen
- Division of Gastroenterology, Kaiser Permanente Medical Group, Riverside, California
| | - Shazia M Siddique
- Division of Gastroenterology, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania; Center for Evidence-Based Practice, University of Pennsylvania Health System, Philadelphia, Pennsylvania
| | - Jennifer M Weiss
- Division of Gastroenterology and Hepatology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Shahnaz Sultan
- Division of Gastroenterology, Hepatology, and Nutrition, University of Minnesota, Minneapolis, Minnesota, and Veterans Affairs Healthcare System, Minneapolis, Minnesota
| | - Fernando S Velayos
- Division of Gastroenterology, Kaiser Permanente Medical Group, San Francisco, California
| | - Benjamin L Cohen
- Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio
| | - Siddharth Singh
- Division of Gastroenterology and Hepatology, University of California San Diego, La Jolla, California; Division of Biomedical Informatics, Department of Medicine, University of California San Diego, La Jolla, California
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11
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Zhang W, Fan Y, Chen M. Clinical Value of Detecting Fecal Calprotectin by Using Colloidal Gold Assay in Screening or Diagnosing Crohn's Disease. Gastroenterol Res Pract 2023; 2023:8866828. [PMID: 38024527 PMCID: PMC10653956 DOI: 10.1155/2023/8866828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 10/12/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Background Crohn's disease (CD) is a chronic inflammatory disease, and its incidence is gradually increasing. Thus, the use of a simple and convenient examination method to detect CD in the natural population as early as possible is crucial. This study is aimed at using the colloidal gold semiquantitative assay to detect fecal calprotectin (FCP) and determine whether it is helpful in screening or diagnosing CD. Methods Using a prospectively maintained database, 59 patients with CD were analyzed using FCP measurement. Subsequently, 76 patients and 89 healthy individuals were assigned to the gastrointestinal dysfunction and control groups, respectively. To aid in the screening or diagnosis of CD, the receiver operating characteristic curve was used to determine the diagnostic efficacy of FCP thresholds. Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were presented with 95% confidence intervals (CIs). Results Patients with CD showed significantly higher FCP levels. Compared with the healthy population, when the FCP level cut-off was 15 μg/g and 60 μg/g, the sensitivity, specificity, PPV, and NPV for CD diagnosis were 98.3% (CI, 95.0%-100%) and 78.0% (CI, 67.4-88.6%), 84.3% (CI, 76.7%-91.8%) and 98.9% (CI, 96.7%-100%), 80.6% (CI, 71.5%-89.7%) and 97.9% (CI, 93.7%-100%), and 98.7% (CI, 96.2%-100%) and 87.1% (CI, 80.6%-93.6%), respectively. The AUCs were 0.969 (CI, 0.941-0.997). Compared with the gastrointestinal dysfunction group, using the same FCP level cut-off, the sensitivity, specificity, PPV, and NPV for CD diagnosis were 98.3% (CI, 95.0%-100%) and 78.0% (CI, 67.4%-88.6%), 71.1% (CI, 60.9%-81.3%) and 89.5% (CI, 82.3%-96.7%), 72.5% (CI, 62.7%-82.3%) and 85.2% (CI, 75.7%-94.7%), and 98.1% (CI, 94.5%-100%) and 84.0% (CI, 76.0%-92.0%), respectively. The AUCs were 0.908 (CI, 0.856-0.960). Conclusion Detecting FCP by using the colloidal gold semiquantitative assay can be effective in screening and adjunct diagnosing of CD.
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Affiliation(s)
- Wangdong Zhang
- Center of Clinical Laboratory, Zhongshan Hospital, School of Medicine, Xiamen University, Xiamen 361004, China
| | - Yanyun Fan
- Department of Gastroenterology, Zhongshan Hospital, School of Medicine, Xiamen University, Xiamen 361004, China
| | - Meijun Chen
- Center of Clinical Laboratory, Zhongshan Hospital, School of Medicine, Xiamen University, Xiamen 361004, China
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12
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Latorre Añó P, Torrente Sánchez J, Pérez Ibañez AA, Tenias Burillo JM, Moreno Sánchez NP, López-Serrano A, Moreno Osset E, Murado Pardo J, Paredes JM. Fecal immunochemical test for hemoglobin versus fecal calprotectin to monitor endoscopic activity in inflammatory bowel disease. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2023; 115:553-558. [PMID: 37114398 DOI: 10.17235/reed.2023.9536/2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
AIM endoscopy identifies inflammatory activity, however, it is an unpleasant test and is not always accessible. The aim of the study was to compare the usefulness of quantitative fecal immunochemical test (FIT) versus fecal calprotectin (FC) to determine endoscopic activity in patients with inflammatory bowel disease (IBD). METHODS cross-sectional prospective observational study. The stool samples were collected within three days before starting the preparation for the colonoscopy. We used the Mayo index for ulcerative colitis (UC) and the simplified endoscopic index for Crohn's disease (CD). Mucosal healing (MH) was defined as the score 0 points in each of the endoscopic indices. RESULTS eighty-four patients were included, 40 (47.6 %) with UC. In patients with IBD, FIT and FC showed a significant correlation with the presence of inflammatory activity/MH on endoscopy, with no statistically significant differences between the two receiver-operating characteristic (ROC) curves. Both tests improved their diagnostic performance when assessing patients with UC; the Spearman correlations between FIT and FC and endoscopic inflammatory activity were r = 0.6 (p = 0.0001) and r = 0.7 (p = 0.0001), respectively. In Crohn's disease, the diagnostic utility of both tests was lower. CONCLUSIONS FIT is an alternative to monitor endoscopic activity among ulcerative colitis patients. In Crohn's disease, more studies are needed to determine the role of fecal biomarkers.
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Affiliation(s)
| | - Jorge Torrente Sánchez
- Gastroenterología, Hospital Universitario Dr.PesHospital Universitario Dr. Pesetet, España
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13
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Louis Sam Titus ASC, Vanarsa K, Soomro S, Patel A, Prince J, Kugathasan S, Mohan C. Resistin, Elastase, and Lactoferrin as Potential Plasma Biomarkers of Pediatric Inflammatory Bowel Disease Based on Comprehensive Proteomic Screens. Mol Cell Proteomics 2023; 22:100487. [PMID: 36549591 PMCID: PMC9918796 DOI: 10.1016/j.mcpro.2022.100487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 11/10/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Inflammatory bowel disease (IBD) is an immune-mediated chronic inflammation of the intestine, which can present in the form of ulcerative colitis (UC) or as Crohn's disease (CD). Biomarkers are needed for reliable diagnosis and disease monitoring in IBD, especially in pediatric patients. Plasma samples from a pediatric IBD cohort were interrogated using an aptamer-based screen of 1322 proteins. The elevated biomarkers identified using the aptamer screen were further validated by ELISA using an independent cohort of 76 pediatric plasma samples, drawn from 30 CD, 30 UC, and 16 healthy controls. Of the 1322 proteins screened in plasma from IBD patients, 129 proteins were significantly elevated when compared with healthy controls. Of these 15 proteins had a fold change greater than 2 and 28 proteins had a fold change >1.5. Neutrophil and extracellular vesicle signatures were detected among the elevated plasma biomarkers. When seven of these proteins were validated by ELISA, resistin was the only protein that was significantly higher in both UC and CD (p < 0.01), with receiver operating characteristic area under the curve value of 0.82 and 0.77, respectively, and the only protein that exhibited high sensitivity and specificity for both CD and UC. The next most discriminatory plasma proteins were elastase and lactoferrin, particularly for UC, with receiver operating characteristic area under the curve values of 0.74 and 0.69, respectively. We have identified circulating resistin, elastase, and lactoferrin as potential plasma biomarkers of IBD in pediatric patients using two independent diagnostic platforms and two independent patient cohorts.
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Affiliation(s)
| | - Kamala Vanarsa
- Department Biomedical Engineering, University of Houston, Houston, Texas, USA
| | - Sanam Soomro
- Department Biomedical Engineering, University of Houston, Houston, Texas, USA
| | - Anjali Patel
- Department Biomedical Engineering, University of Houston, Houston, Texas, USA
| | - Jarod Prince
- Department of Pediatrics, Emory University, Atlanta, Georgia, USA
| | - Subra Kugathasan
- Department of Pediatrics, Emory University, Atlanta, Georgia, USA.
| | - Chandra Mohan
- Department Biomedical Engineering, University of Houston, Houston, Texas, USA.
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14
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Ponorac S, Dahmane Gošnak R, Urlep D, Ključevšek D. Diagnostic Value of Quantitative Contrast-Enhanced Ultrasound in Comparison to Endoscopy in Children With Crohn's Disease. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2023; 42:193-200. [PMID: 35748308 DOI: 10.1002/jum.16044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 05/04/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Quantitative contrast-enhanced US (CEUS) provides objective evaluation of bowel wall perfusion and has been reported as a useful method for evaluating Crohn's disease (CD) activity in children. We tested its' diagnostic accuracy in comparison to endoscopy and evaluated its' usefulness in comparison to Pediatric Crohn's Disease Activity Index (PCDAI) and fecal Calprotectin (FC). MATERIALS AND METHODS Children with CD and thickened bowel wall on abdominal US were prospectively enrolled. Disease activity was evaluated with quantitative CEUS, PCDAI and FC and compared to a simple endoscopic score for Crohn's disease (SES-CD). Spearman's correlation and Cohen's kappa statistic between the SES-CD and other disease activity measures were performed and diagnostic accuracies calculated. RESULTS 36 children 3.5-18 years old (mean age 14 years) were included. The quantitative CEUS had 78.57% sensitivity (95%CI 0.59-0.92), 100% specificity (95%CI 0.63-1.0) and 83.33% diagnostic accuracy (95% CI 0.67-0.94). The concordance remission agreement with endoscopy was substantial for quantitative CEUS and PCDAI (quantitative CEUS: κ = 0.62; 95% CI 0.363-0.877; PCDAI: κ = 0.615; 95% CI 0.311-0.920), but only fair for FC (κ = 0.389; 95% CI 0.006-0.783). Correlation between all measures and endoscopy was moderate and statistically significant (quantitative CEUS: rs = 0.535, PCDAI: rs = 0.543, FC: rs = 0.497). CONCLUSIONS Quantitative CEUS has a potential of becoming a complementary method for evaluation of CD activity in children due to its' high specificity in comparison to endoscopy. Lower sensitivity makes it deficient as a single measure and further management should be guided by PCDAI and FC results as well.
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Affiliation(s)
- Slavojka Ponorac
- Institute of Radiology, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | | | - Darja Urlep
- Department of Gastroenterology, Hepatology and Nutrition, Children's Hospital, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Damjana Ključevšek
- Department of Radiology, Children's Hospital, University Medical Centre Ljubljana, Ljubljana, Slovenia
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15
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Romero-Mascarell C, Fernández-Esparrach G, Rodríguez-De Miguel C, Masamunt MC, Rodríguez S, Rimola J, Urpí M, Casanova GS, Ordás I, Ricart E, Caballol B, Fernández-Clotet A, Panés J, Llach J, González-Suárez B. Fecal Calprotectin for Small Bowel Crohn's Disease: Is It a Cutoff Issue? Diagnostics (Basel) 2022; 12:diagnostics12092226. [PMID: 36140627 PMCID: PMC9497577 DOI: 10.3390/diagnostics12092226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 09/03/2022] [Accepted: 09/05/2022] [Indexed: 11/16/2022] Open
Abstract
(1) Background: Fecal calprotectin (FC) correlates well with colonic inflammatory activity of Crohn’s disease (CD); data about relation of FC and small bowel (SB) lesions are still contradictory. The main aim was to analyze the relationship between FC levels and SB inflammatory activity in patients with established or suspected Crohn’s disease, assessed by small bowel capsule endoscopy (SBCE) or magnetic resonance enterography (MRE). (2) Methods: Two cohorts of patients were included: 1. Prospective data were collected from patients with established or suspected CD who underwent SBCE and FC (Cohort A); 2. A retrospective cohort of patients who underwent MRE and FC determination (Cohort B). Different cutoffs for FC were tested in both cohorts. (3) Results: 83 patients were included and 66 were finally analyzed. A total of 69.6% had SB lesions seen by SBCE (n = 25) or MRE (n = 21). FC mean levels were 605.74 + 607.07 μg/g (IQ range: 99.00−878.75), being significantly higher in patients with SB lesions compared to patients without lesions (735.91 + 639.70 μg/g (IQ range: 107.75−1366.25) vs. 306.35 + 395.26 μg/g (IQ range: 78.25−411.0), p < 0.005). For cohort A, 25 out of 35 patients had SB lesions and a significant correlation between Lewis Score and FC levels was achieved (R2: 0.34; p = 0.04). FC sensitivity (S), specificity (E), positive predictive value (PPV), and negative predictive values (NPV) for predicting SB lesions were 80%, 50%, 80%, and 50%, respectively, for FC > 100 µg/g. For cohort B, inflammatory SB activity, measured by MaRIA score, was detected in 21 out of 31 patients (67.7%). Patients with positive findings in MRE had significantly higher values of FC than those with no lesions (944.9 + 672.1 µg/g vs. 221 + 212.2 µg/g, p < 0.05). S, E, PPV, and NPV of FC were 89%, 50%, 77.2%, and 71.4% for FC levels > 100 µg/g. The higher sensitivity and specificity of the FC levels for the detection of SB lesions with SBCE and MRE was obtained for an FC cutoff >265 μg/g and >430 μg/g, respectively. (4) Conclusions: FC has a good correlation with the presence of SB lesions, assessed by SBCE and MRE, in patients with established or suspected Crohn’s disease. However, the ideal cutoff is here proven to be higher than previously reported. Multicenter and large prospective studies are needed in order to establish definitive FC cutoff levels.
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Affiliation(s)
- Cristina Romero-Mascarell
- Endoscopy Unit, Gastroenterology Department, ICMDiM, Hospital Clínic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
| | - Gloria Fernández-Esparrach
- Endoscopy Unit, Gastroenterology Department, ICMDiM, Hospital Clínic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
| | - Cristina Rodríguez-De Miguel
- Endoscopy Unit, Gastroenterology Department, ICMDiM, Hospital Clínic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
| | - Maria Carme Masamunt
- Inflammatory Bowel Disease Unit, Gastroenterology Department, ICMDiM, 08036 Barcelona, Spain
| | - Sonia Rodríguez
- Department of Radiology, Centre de Diagnòstic per la Imatge (CDI), Hospital Clínic Barcelona, University of Barcelona, 08036 Barcelona, Spain
| | - Jordi Rimola
- Department of Radiology, Centre de Diagnòstic per la Imatge (CDI), Hospital Clínic Barcelona, University of Barcelona, 08036 Barcelona, Spain
| | - Miguel Urpí
- Endoscopy Unit, Gastroenterology Department, ICMDiM, Hospital Clínic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
| | - Gherzon Simon Casanova
- Endoscopy Unit, Gastroenterology Department, ICMDiM, Hospital Clínic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
| | - Ingrid Ordás
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Inflammatory Bowel Disease Unit, Gastroenterology Department, ICMDiM, 08036 Barcelona, Spain
| | - Elena Ricart
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Inflammatory Bowel Disease Unit, Gastroenterology Department, ICMDiM, 08036 Barcelona, Spain
| | - Berta Caballol
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Inflammatory Bowel Disease Unit, Gastroenterology Department, ICMDiM, 08036 Barcelona, Spain
| | - Agnès Fernández-Clotet
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Inflammatory Bowel Disease Unit, Gastroenterology Department, ICMDiM, 08036 Barcelona, Spain
| | - Julià Panés
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Inflammatory Bowel Disease Unit, Gastroenterology Department, ICMDiM, 08036 Barcelona, Spain
| | - Josep Llach
- Endoscopy Unit, Gastroenterology Department, ICMDiM, Hospital Clínic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
| | - Begoña González-Suárez
- Endoscopy Unit, Gastroenterology Department, ICMDiM, Hospital Clínic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Correspondence:
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16
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Han W, Wu J, Zhang P, Hu N, Mei Q, Hu J. Fecal calprotectin predicts endoscopic activity and mucosal healing of small bowel Crohn's disease evaluated by double-balloon endoscopy. Int J Colorectal Dis 2022; 37:1953-1961. [PMID: 35927341 DOI: 10.1007/s00384-022-04232-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/29/2022] [Indexed: 02/04/2023]
Abstract
PURPOSE Fecal calprotectin (FC) levels can reflect the level of intestinal inflammation. Crohn's disease (CD), which affects the small bowel, has not been linked to FC levels. We determined if FC levels and endoscopic activity were related by performing double-balloon endoscopy (DBE). METHODS Herein, patients with small bowel CD diagnosed by DBE between January 2020 and January 2022 were prospectively observed. Feces and blood samples of patients were collected before performing DBE and checked for the levels of FC and serological biomarkers. The endoscopic activity and mucosal healing (MH) were evaluated using the partial simple endoscopic score (pSES-CD). RESULTS In all 254 CD patients, FC levels were correlated with pSES-CD (r = 0.775, P < 0.001). Even in patients with isolated small bowel CD, FC levels were strongly correlated with pSES-CD (r = 0.753, P < 0.001). In all patients, FC as an endoscopic remission indicator was found to have an area under the curve (AUC) of 0.872, with a cut-off value of 156.09 µg/g. In patients with isolated small bowel CD, FC yielded a high AUC of 0.865 for predicting endoscopic remission, with a cut-off value of 211.48 µg/g, sensitivity of 73.95%, and specificity of 91.30%. FC was optimally cut-off at 76.99 µg/g to predict MH in accordance with the AUC of 0.877. CONCLUSIONS Using DBE findings, FC was found to be significantly correlated with pSES-CD. Even in isolated small bowel CD, FC may be a more reliable marker of accurately predicting endoscopic remission and MH.
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Affiliation(s)
- Wei Han
- Department of Gastroenterology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Juan Wu
- Department of Gastroenterology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Peipei Zhang
- Department of Gastroenterology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Naizhong Hu
- Department of Gastroenterology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Qiao Mei
- Department of Gastroenterology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Jing Hu
- Department of Gastroenterology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China.
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17
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Logan M, MacKinder M, Clark CM, Kountouri A, Jere M, Ijaz UZ, Hansen R, McGrogan P, Russell RK, Gerasimidis K. Intestinal fatty acid binding protein is a disease biomarker in paediatric coeliac disease and Crohn's disease. BMC Gastroenterol 2022; 22:260. [PMID: 35606704 PMCID: PMC9125891 DOI: 10.1186/s12876-022-02334-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 05/09/2022] [Indexed: 11/16/2022] Open
Abstract
Background There is a clinical need to develop biomarkers of small bowel damage in coeliac disease and Crohn’s disease. This study evaluated intestinal fatty acid binding protein (iFABP), a potential biomarker of small bowel damage, in children with coeliac disease and Crohn’s disease. Methods The concentration iFABP was measured in plasma and urine of children with ulcerative colitis, coeliac disease, and Crohn’s disease at diagnosis and from the latter two groups after treatment with gluten free diet (GFD) or exclusive enteral nutrition (EEN), respectively. Healthy children (Controls) were also recruited. Results 138 children were recruited. Plasma but not urinary iFABP was higher in patients with newly diagnosed coeliac disease than Controls (median [Q1, Q3] coeliac disease: 2104 pg/mL 1493, 2457] vs Controls: 938 pg/mL [616, 1140], p = 0.001). Plasma or urinary iFABP did not differ between patients with coeliac on GFD and Controls. Baseline iFABP in plasma decreased by 6 months on GFD (6mo GFD: 1238 pg/mL [952, 1618], p = 0.045). By 12 months this effect was lost, at which point 25% of patients with coeliac disease had detectable gluten in faeces, whilst tissue transglutaminase IgA antibodies (TGA) continued to decrease. At diagnosis, patients with Crohn’s disease had higher plasma iFABP levels than Controls (EEN Start: 1339 pg/mL [895, 1969] vs Controls: 938 pg/mL [616, 1140], p = 0.008). iFABP did not differ according to Crohn’s disease phenotype. Induction treatment with EEN tended to decrease (p = 0.072) iFABP in plasma which was no longer different to Controls (EEN End: 1114 pg/mL [689, 1400] vs Controls: 938 pg/mL [616, 1140], p = 0.164). Plasma or urinary iFABP did not differ in patients with ulcerative colitis from Controls (plasma iFABP, ulcerative colitis: 1309 pg/mL [1005, 1458] vs Controls: 938 pg/mL [616, 1140], p = 0.301; urinary iFABP ulcerative colitis: 38 pg/mg [29, 81] vs Controls: 53 pg/mg [27, 109], p = 0.605). Conclusions Plasma, but not urinary iFABP is a candidate biomarker with better fidelity in monitoring compliance during GFD than TGA. The role of plasma iFABP in Crohn’s disease is promising but warrants further investigation. Trial registration: Clinical Trials.gov, NCT02341248. Registered on 19/01/2015. Supplementary Information The online version contains supplementary material available at 10.1186/s12876-022-02334-6.
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Affiliation(s)
- Michael Logan
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, New Lister Building, Glasgow Royal Infirmary, Glasgow, G31 2ER, UK
| | - Mary MacKinder
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, New Lister Building, Glasgow Royal Infirmary, Glasgow, G31 2ER, UK
| | - Clare Martha Clark
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, New Lister Building, Glasgow Royal Infirmary, Glasgow, G31 2ER, UK
| | - Aikaterini Kountouri
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, New Lister Building, Glasgow Royal Infirmary, Glasgow, G31 2ER, UK
| | - Mwansa Jere
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, UK
| | - Umer Zeeshan Ijaz
- Civil Engineering, School of Engineering, University of Glasgow, Oakfield Avenue, Glasgow, UK
| | - Richard Hansen
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, UK
| | - Paraic McGrogan
- Department of Paediatric Gastroenterology, Royal Hospital for Children, Glasgow, UK
| | - Richard K Russell
- Department of Paediatric Gastroenterology, Royal Hospital for Sick Children, 9 Sciennes, Road, Edinburgh, EH9 1LF, UK
| | - Konstantinos Gerasimidis
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, New Lister Building, Glasgow Royal Infirmary, Glasgow, G31 2ER, UK.
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18
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Freitas M, de Castro FD, Macedo Silva V, Arieira C, Cúrdia Gonçalves T, Leite S, Moreira MJ, Cotter J. Ultrasonographic scores for ileal Crohn's disease assessment: Better, worse or the same as contrast-enhanced ultrasound? BMC Gastroenterol 2022; 22:252. [PMID: 35585503 PMCID: PMC9118849 DOI: 10.1186/s12876-022-02326-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/27/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Intestinal ultrasound (IUS) is an increasingly used non-invasive tool to evaluate Crohn's disease (CD) activity. Recently, two IUS scores that evaluate inflammatory activity have emerged: the Simple Ultrasound Activity Score for CD (SUS-CD) and the International Bowel Ultrasound Segmental Activity Score (IBUS-SAS). We aimed to compare the accuracy of SUS-CD, IBUS-SAS and contrast-enhanced ultrasound (CEUS) in predicting inflammatory activity in the terminal ileum in ileocolonoscopy in CD patients. METHODS Retrospective study including all consecutive CD patients submitted to IUS with CEUS directed to the terminal ileum performed by a single operator between April 2016 and March 2020. Segmental SUS-CD and IBUS-SAS were calculated. A time-intensity curve of the contrast bowel wall enhancement was created with measurement of peak intensity using CEUS. The CD endoscopic activity in ileocolonoscopy was graded by Simple Endoscopic Score for CD (SES-CD) as inactive (SES-CD < 7) or active (SES-CD ≥ 7). RESULTS Fifty patients were included, 54.0% were female, with mean age of 34 ± 12 years, and most had isolated ileal disease (60.0%), and a nonstricturing, nonpenetrating behaviour (44.0%). Most of the patients (60.0%) had active endoscopic disease (SES-CD ≥ 7). SUS-CD and IBUS-SAS were not different between patients with active or inactive endoscopic disease (p = 0.15; 0.57, respectively), having a poor accuracy to correlate endoscopic activity (area under de curve (AUC) 0.62; 0.55, respectively). Peak intensity in CEUS was significantly different in patients with active or inactive endoscopic disease (p = 0.004), having a good accuracy to correlate endoscopic activity (AUC 0.80). CONCLUSION Unlike CEUS, SUS-CD and IBUS-SAS were not able to accurately correlate endoscopic activity in terminal ileum in CD. Therefore, CEUS is a non-invasive emerging method that should be increasingly integrated in the ultrasonographic evaluation of CD patients.
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Affiliation(s)
- M Freitas
- Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal. .,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal. .,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - F Dias de Castro
- Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - V Macedo Silva
- Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - C Arieira
- Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - T Cúrdia Gonçalves
- Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - S Leite
- Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - M J Moreira
- Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - J Cotter
- Gastroenterology Department, Hospital da Senhora da Oliveira, Guimarães, Portugal.,Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
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19
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Lee SH, Hwang SW, Park SH, Yang DH, Byeon JS, Myung SJ, Yang SK, Ye BD. Fecal S100A12 is associated with future hospitalization and step-up of medical treatment in patients with Crohn's disease in clinical remission: a pilot study. Intest Res 2022; 20:203-212. [PMID: 35508954 PMCID: PMC9081997 DOI: 10.5217/ir.2021.00020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 07/19/2021] [Accepted: 07/21/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND/AIMS Fecal S100A12 (FS) and serum S100A12 (SS) have been reported as novel biomarkers that accurately reflect intestinal inflammation. We evaluated if FS and SS in comparison to fecal calprotectin (FC) are associated with poor future outcomes in clinically quiescent Crohn's disease (CD) patients. METHODS We prospectively enrolled 49 CD patients in clinical remission (Crohn's Disease Activity Index [CDAI] < 150 for the past 6 months). Patients were followed for a median period of 4.4 years (interquartile range [IQR], 4.3-4.5). The following outcomes were evaluated: clinical relapse, CD-related hospitalization, step-up of medical treatment, and CD-related intestinal resection. Cox proportional-hazard regression model was constructed to assess the association of baseline markers with time-to-event outcomes. RESULTS The median levels of baseline FS, FC, and SS were 0.042 mg/kg (IQR, 0.005-0.179), 486.8 mg/kg (IQR, 203.5-886.8) and 1,398.2 ng/mL (IQR, 791.8-2,759.9), respectively. FS correlated with FC (r = 0.689), erythrocyte sedimentation rate (r = 0.524), C-reactive protein (r = 0.499), and albumin (r = -0.446), but not with CDAI (r = 0.045). Interestingly, increased FS (top quartile) was associated with a 4.9-fold increased rate of future CD-related hospitalization (P= 0.009) and a 2.8-fold increased rate of step-up of medical treatment (P= 0.032), whereas increased FC and SS were not. These findings remained significant after adjusting for age, sex, disease duration, current smoking, C-reactive protein, serum albumin, CDAI, and FC, individually. CONCLUSIONS In this pilot study, increased FS and not FC or SS, was significantly associated with increased rates of future CD-related hospitalization and step-up of medical treatment among CD patients in clinical remission.
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Affiliation(s)
- Sun-Ho Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Division of Gastroenterology, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada
| | - Sung Wook Hwang
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sang Hyoung Park
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dong-Hoon Yang
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jeong-Sik Byeon
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seung-Jae Myung
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Suk-Kyun Yang
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Byong Duk Ye
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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20
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Paredes JM, Ripollés T, Algarra Á, Diaz R, Moreno N, Latorre P, Martínez MJ, Llopis P, López A, Moreno-Osset E. Intestinal ultrasonography and fecal calprotectin for monitoring inflammation of ileal Crohn's disease: two complementary tests. Intest Res 2022; 20:361-369. [PMID: 35279969 PMCID: PMC9344237 DOI: 10.5217/ir.2021.00126] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 12/25/2021] [Indexed: 11/18/2022] Open
Abstract
Background/Aims Tight control of inflammation and adjustment of treatment if activity persists is the current strategy for the management of Crohn’s disease (CD). The usefulness of fecal calprotectin (FC) in isolated involvement of the small intestine in CD is controversial. To assess the usefulness of FC to determine the inflammatory activity detected by intestinal ultrasonography (IUS) in ileal CD. Methods Patients with exclusively ileal involvement CD who underwent IUS and an FC were prospectively included. Simple ultrasound index was used to determine inflammatory activity. The usual statistical tests for comparison of diagnostic techniques were used. Results One hundred and five patients were included, IUS showed inflammatory activity in 59% of patients and complications in 18.1%. FC showed a significant correlation with IUS in the weak range (Spearman coefficient r=0.502; P<0.001); the area under the receiver operating characteristic curve was 0.79 (95% confidence interval, 0.70–0.88; P<0.001). The FC value that best reflected the activity in IUS was 100 μg/g with sensitivity, specificity, and positive and negative predictive values of 73.0%, 71.4%, 79.3% and 63.8%, respectively. There were no differences in FC concentration between patients with or without transmural complications. The addition of serum C-reactive protein to FC did not improve the ability to assess IUS activity. Conclusions FC has a significant correlation with IUS to monitor ileal CD activity. This correlation is weak and it does not allow assessing the presence of CD complications. Both tests should be used in conjunction for tight control of ileal CD. More studies on noninvasive tests in this location are needed.
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Affiliation(s)
- José María Paredes
- Department of Digestive Medicine, Doctor Peset University Hospital, Valencia, Spain
| | - Tomás Ripollés
- Department of Radiology, Doctor Peset University Hospital, Valencia, Spain
| | - Ángela Algarra
- Department of Digestive Medicine, Doctor Peset University Hospital, Valencia, Spain
| | - Rafael Diaz
- Department of Digestive Medicine, Doctor Peset University Hospital, Valencia, Spain
| | - Nadia Moreno
- Department of Digestive Medicine, Doctor Peset University Hospital, Valencia, Spain
| | - Patricia Latorre
- Department of Digestive Medicine, Doctor Peset University Hospital, Valencia, Spain
| | | | - Pilar Llopis
- Department of Pharmacy, Doctor Peset University Hospital, Valencia, Spain
| | - Antonio López
- Department of Digestive Medicine, Doctor Peset University Hospital, Valencia, Spain
| | - Eduardo Moreno-Osset
- Department of Digestive Medicine, Doctor Peset University Hospital, Valencia, Spain
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21
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Alookaran J, Liu Y, Auchtung TA, Tahanan A, Hessabi M, Asgarisabet P, Rahbar M, Fatheree NY, Pearson DA, Mansour R, Van Arsdall MR, Navarro F, Rhoads JM. Fungi: Friend or Foe? A Mycobiome Evaluation in Children With Autism and Gastrointestinal Symptoms. J Pediatr Gastroenterol Nutr 2022; 74:377-382. [PMID: 34724444 PMCID: PMC8885784 DOI: 10.1097/mpg.0000000000003349] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
ABSTRACT Gastrointestinal (GI) symptoms often affect children with autism spectrum disorders (ASD) and GI symptoms have been associated with an abnormal fecal microbiome. There is limited evidence of Candida species being more prevalent in children with ASD. We enrolled 20 children with ASD and GI symptoms (ASD + GI), 10 children with ASD but no GI symptoms (ASD - GI), and 20 from typically developing (TD) children in this pilot study. Fecal mycobiome taxa were analyzed by Internal Transcribed Spacer sequencing. GI symptoms (GI Severity Index [GSI]), behavioral symptoms (Social Responsiveness Scale -2 [SRS-2]), inflammation and fungal immunity (fecal calprotectin and serum dectin-1 [ELISA]) were evaluated. We observed no changes in the abundance of total fungal species (alpha diversity) between groups. Samples with identifiable Candida spp. were present in 4 of 19 (21%) ASD + GI, in 5 of 9 (56%) ASD - GI, and in 4 of 16 (25%) TD children (overall P = 0.18). The presence of Candida spp. did not correlate with behavioral or GI symptoms (P = 0.38, P = 0.5, respectively). Fecal calprotectin was normal in all but one child. Finally, there was no significance in serum dectin-1 levels, suggesting no increased fungal immunity in children with ASD. Our data suggest that fungi are present at normal levels in the stool of children with ASD and are not associated with gut inflammation.
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Affiliation(s)
- Jane Alookaran
- Department of Pediatric Gastroenterology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
| | - Yuying Liu
- Department of Pediatric Gastroenterology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
| | - Thomas A. Auchtung
- Department of Food Science and Technology, University of Nebraska, Lincoln, Nebraska, 68588, USA
| | - Amirali Tahanan
- Biostatistics/Epidemiology/Research Design (BERD) core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
| | - Manouchehr Hessabi
- Biostatistics/Epidemiology/Research Design (BERD) core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
| | - Parisa Asgarisabet
- Biostatistics/Epidemiology/Research Design (BERD) core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
- Department of Management, Policy and Community Health, School of Public Health, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
| | - Mohammad Rahbar
- Division of Clinical and Translational Sciences, Department of Internal Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
- Biostatistics/Epidemiology/Research Design (BERD) core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
- Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston, Texas 77030, USA
| | - Nicole Y. Fatheree
- Department of Pediatric Gastroenterology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
| | - Deborah A. Pearson
- Louis A. Faillace, MD, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
| | - Rosleen Mansour
- Louis A. Faillace, MD, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
| | - Melissa R. Van Arsdall
- Department of Pediatric Gastroenterology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
| | - Fernando Navarro
- Department of Pediatric Gastroenterology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
| | - J. Marc Rhoads
- Department of Pediatric Gastroenterology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, 77030, USA
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22
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Park SB, Kim SJ, Lee J, Lee YJ, Baek DH, Seo GS, Kim ES, Kim SW, Kim SY. Efficacy of sigmoidoscopy for evaluating disease activity in patients with ulcerative colitis. BMC Gastroenterol 2022; 22:83. [PMID: 35220941 PMCID: PMC8882296 DOI: 10.1186/s12876-022-02178-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 02/21/2022] [Indexed: 11/15/2022] Open
Abstract
Background Endoscopic assessment of disease activity is a key parameter in the management of ulcerative colitis. Whether sigmoidoscopy alone is sufficient to evaluate the disease activity in ulcerative colitis lacks studies.
Methods We retrospectively analyzed the medical records and endoscopic results of patients with ulcerative colitis followed by colonoscopy in seven tertiary hospitals between January 2012 and December 2018. Endoscopic disease activity was scored using the Mayo endoscopic subscore (MES) and Ulcerative Colitis Endoscopic Index of Severity (UCEIS) for each segment from the colonoscopy images. Concordance was evaluated by comparing the highest MES and UCEIS in the rectosigmoid and proximal regions to confirm the usefulness of sigmoidoscopy. Results A total of 500 colonoscopic examinations from 333 patients were enrolled. Only in 7.6% [k(kappa): 0.893, r(Spearman): 0.906, p < 0.001] and 8.6% [k(kappa): 0.890, r(Spearman): 0.914; p < 0.001] of cases, MES and UCEIS scored more severely in the proximal colon. Comparison of active disease (MES ≥ 2) in the rectosigmoid area and the entire colon showed a high concordance rate [k(kappa): 0.899, r(Spearman): 0.904, p < 0.001]. Endoscopic healing (MES = 0) also showed a high concordance rate [k(kappa): 0.882, r(Spearman): 0.887, p < 0.001]. In 38 cases (7.6%) of patients with a higher MES in the proximal area, it was significantly higher in patients with previous extensive colitis. Conclusions Sigmoidoscopy and colonoscopy showed a high concordance rate. Therefore, sigmoidoscopy is considered a sufficient substitute for colonoscopy. However, colonoscopy should be considered in patients with previous extensive colitis. Supplementary Information The online version contains supplementary material available at 10.1186/s12876-022-02178-0.
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23
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Okuhira T, Yoden A, Kaji E, Otani-Akamatsu M, Inoue K, Aomatsu T, Takitani K, Ashida A. Usefulness of ultrasonography for small intestinal evaluations in pediatric Crohn's disease. Pediatr Int 2022; 64:e15206. [PMID: 35704459 DOI: 10.1111/ped.15206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 03/18/2022] [Accepted: 03/30/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Small bowel capsule endoscopy (SBCE) for Crohn's disease is useful; however, its use has some limitations, such as invasiveness when endoscopic assistance is required in patients who cannot swallow the capsule, and the burden of interpretation on a physician. In contrast, intestinal ultrasonography (IUS) is a non-invasive modality for children. The purpose of this study is to evaluate the accuracy of IUS for pediatric patients with established Crohn's disease. METHODS Small bowel capsule endoscopy and IUS findings from the same period in pediatric patients with established Crohn's disease were analyzed retrospectively. First, we compared the Lewis score (LS), small bowel endoscopic activity, and IUS findings by small bowel wall thickness (SBWT) and mesenteric lymph node size (MLNS). Second, we compared the performance of IUS findings with those of some biomarkers. RESULTS In 22 procedures, SBWT and MLNS were correlated with LS (r = 0.52, P < 0.05, and r = 0.45, P < 0.05, respectively). Small bowel wall thickness, erythrocyte sedimentation rate, and fecal calprotectin levels had the highest accuracy (81.8%, 81.8%, and 81.8%, respectively). The combination of SBWT and MLNS had the highest positive predictive value and negative predictive value (100% and 83.3%, respectively). CONCLUSIONS Intestinal ultrasonography findings, including SBWT and MLNS, are useful for monitoring small bowel lesions in pediatric patients with established Crohn's disease. We suggest first evaluating small bowel inflammation by IUS in pediatric patients with Crohn's disease before SBCE because IUS is less invasive than SBCE.
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Affiliation(s)
- Takeru Okuhira
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan.,Department of Pediatrics, Osaka Saiseikai Suita Hospital, Suita, Osaka, Japan
| | - Atsushi Yoden
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan.,Department of Pediatrics, Dainikyoritsu Hospital, Kawanishi, Hyogo, Japan
| | - Emiri Kaji
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan
| | | | - Keisuke Inoue
- Department of Pediatrics, Hirakata City Hospital, Hirakata, Osaka, Japan
| | - Tomoki Aomatsu
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan
| | - Kimitaka Takitani
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan
| | - Akira Ashida
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Takatsuki, Osaka, Japan
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24
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Lee SH, Turpin W, Espin-Garcia O, Raygoza Garay JA, Smith MI, Leibovitzh H, Goethel A, Turner D, Mack D, Deslandres C, Cino M, Aumais G, Panaccione R, Jacobson K, Bitton A, Steinhart AH, Huynh HQ, Princen F, Moayyedi P, Griffiths AM, Silverberg MS, Paterson AD, Xu W, Croitoru K. Anti-Microbial Antibody Response is Associated With Future Onset of Crohn's Disease Independent of Biomarkers of Altered Gut Barrier Function, Subclinical Inflammation, and Genetic Risk. Gastroenterology 2021; 161:1540-1551. [PMID: 34293299 DOI: 10.1053/j.gastro.2021.07.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 06/28/2021] [Accepted: 07/13/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND AND AIMS Altered host immune reactivity to microbial antigens is hypothesized to trigger the onset of Crohn's disease (CD). We aimed to assess whether increased serum anti-microbial antibody response in asymptomatic first-degree relatives (FDRs) of CD patients is an independent risk factor for future CD development. METHODS We measured host serum antibody response to 6 microbial antigens at enrollment (Prometheus enzyme-linked immunosorbent assay test: anti-Saccharomyces cerevisiae antibodies immunoglobulin A/immunoglobulin G, anti-OmpC, anti-A4-Fla2, anti-FlaX, anti-CBir1) and derived the sum of positive antibodies (AS). We used samples at enrollment of prospectively followed healthy FDRs from a nested case-control cohort of the Crohn's and Colitis Canada Genetics Environment Microbial Project. Those who later developed CD (n = 77) were matched 1:4 by age, sex, follow-up duration, and geographic location with control FDRs remaining healthy (n = 307). To address our research aims, we fitted a multivariable conditional logistic regression model and performed causal mediation analysis. RESULTS High baseline AS (≥2) (43% of cases, 11% of controls) was associated with higher risk of developing CD (adjusted odds ratio, 6.5; 95% confidence interval, 3.4-12.7; P < .001). Importantly, this association remained significant when adjusted for markers of gut barrier function, fecal calprotectin, C-reactive protein, and CD-polygenic risk score, and in subjects recruited more than 3 years before diagnosis. Causal mediation analysis showed that the effect of high AS on future CD development is partially mediated (42%) via preclinical gut inflammation. CONCLUSIONS Our results suggest that increased anti-microbial antibody responses are associated with risk of future development of CD, independent of biomarkers of abnormal gut barrier function, subclinical inflammation, and CD-related genetic risks. This suggests that anti-microbial antibody responses are an early predisease event in the development of CD.
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Affiliation(s)
- Sun-Ho Lee
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology & Hepatology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Williams Turpin
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology & Hepatology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Osvaldo Espin-Garcia
- Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto and Department of Biostatistics, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Juan Antonio Raygoza Garay
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology & Hepatology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Michelle I Smith
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Haim Leibovitzh
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology & Hepatology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Ashleigh Goethel
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Dan Turner
- The Juliet Keidan Institute of Pediatric Gastroenterology and Nutrition, Shaare Zedek Medical Center, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - David Mack
- Division of Gastroenterology, Hepatology & Nutrition, Children's Hospital of Eastern Ontario and University of Ottawa, Ottawa, Ontario, Canada
| | - Colette Deslandres
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, CHU Sainte-Justine, University of Montreal, Quebec, Canada
| | - Maria Cino
- Division of Gastroenterology, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Guy Aumais
- Hôpital Maisonneuve-Rosemont, Department of Medicine, University of Montreal, Montreal, Quebec, Canada
| | - Remo Panaccione
- Inflammatory Bowel Disease Clinic, Division of Gastroenterology and Hepatology, University of Calgary, Calgary, Alberta, Canada
| | - Kevan Jacobson
- Canadian Gastro-Intestinal Epidemiology Consortium, Canada, British Columbia Children's Hospital, British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Alain Bitton
- Division of Gastroenterology and Hepatology, McGill University Health Centre, Montreal, Quebec, Canada
| | - A Hillary Steinhart
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology & Hepatology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Hien Q Huynh
- Division of Gastroenterology and Nutrition, Stollery Children's Hospital, University of Alberta, Edmonton, Alberta, Canada
| | | | - Paul Moayyedi
- Department of Medicine, Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Anne M Griffiths
- Division of Gastroenterology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Mark S Silverberg
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology & Hepatology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Andrew D Paterson
- Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto and Department of Biostatistics, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada; Genetics and Genome Biology, The Hospital for Sick Children Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Wei Xu
- Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto and Department of Biostatistics, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.
| | - Kenneth Croitoru
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology & Hepatology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
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Alshammari MT, Stevenson R, Abdul-Aema B, Zou G, Jairath V, Radford S, Marciani L, Moran GW. Diagnostic Accuracy of Non-Invasive Imaging for Detection of Colonic Inflammation in Patients with Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis. Diagnostics (Basel) 2021; 11:diagnostics11101926. [PMID: 34679624 PMCID: PMC8534724 DOI: 10.3390/diagnostics11101926] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 12/17/2022] Open
Abstract
Endoscopy is the gold standard for objective assessment of colonic disease activity in inflammatory bowel disease (IBD). Non-invasive colonic imaging using bowel ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) may have a role in quantifying colonic disease activity. We reviewed the diagnostic accuracy of these modalities for assessment of endoscopically or histopathologically defined colonic disease activity in IBD. We searched Embase, MEDLINE, and the Web of Science from inception to 20 September 2021. QUADAS-2 was used to evaluate the studies' quality. A meta-analysis was performed using a bivariate model approach separately for MRI and US studies only, and summary receiver operating characteristic (ROC) curves were obtained. CT studies were excluded due to the absence of diagnostic test data. Thirty-seven studies were included. The mean sensitivity and specificity for MRI studies was 0.75 and 0.91, respectively, while for US studies it was 0.82 and 0.90, respectively. The area under the ROC curves (AUC) was 0.88 (95% CI, 0.82 to 0.93) for MRI, and 0.90 (95% CI, 0.75 to 1.00) for US. Both MRI and US show high diagnostic accuracy in the assessment of colonic disease activity in IBD patients.
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Affiliation(s)
- Meshari T. Alshammari
- Department of Diagnostic Radiology, College of Applied Medical Sciences, University of Hail, Hail 55473, Saudi Arabia
- Translational Medical Sciences and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2UH, UK; (S.R.); (L.M.); (G.W.M.)
- Correspondence:
| | - Rebecca Stevenson
- Precision Imaging Beacon, University of Nottingham, Nottingham NG7 2UH, UK;
| | - Buraq Abdul-Aema
- East Midlands North Deanery, Queen’s Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham NG7 2UH, UK;
| | - Guangyong Zou
- Department of Epidemiology & Biostatistics, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 5C1, Canada; (G.Z.); (V.J.)
- Department of Medicine, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 5C1, Canada
| | - Vipul Jairath
- Department of Epidemiology & Biostatistics, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 5C1, Canada; (G.Z.); (V.J.)
- Department of Medicine, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 5C1, Canada
| | - Shellie Radford
- Translational Medical Sciences and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2UH, UK; (S.R.); (L.M.); (G.W.M.)
| | - Luca Marciani
- Translational Medical Sciences and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2UH, UK; (S.R.); (L.M.); (G.W.M.)
| | - Gordon W. Moran
- Translational Medical Sciences and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2UH, UK; (S.R.); (L.M.); (G.W.M.)
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26
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Kim ES. Optimal Cutoff Level of Fecal Calprotectin for Detecting Small Bowel Inflammation in Crohn's Disease. Gut Liver 2021; 15:637-638. [PMID: 34521774 PMCID: PMC8444110 DOI: 10.5009/gnl210393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Eun Soo Kim
- Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
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27
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Jung ES, Lee SP, Kae SH, Kim JH, Kim HS, Jang HJ. Diagnostic Accuracy of Fecal Calprotectin for the Detection of Small Bowel Crohn's Disease through Capsule Endoscopy: An Updated Meta-Analysis and Systematic Review. Gut Liver 2021; 15:732-741. [PMID: 33361549 PMCID: PMC8444097 DOI: 10.5009/gnl20249] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/21/2020] [Accepted: 10/27/2020] [Indexed: 12/13/2022] Open
Abstract
Background/Aims The diagnosis of small bowel Crohn's disease with negative ileocolonoscopic findings has been challenging. Fecal calprotectin (FC) has been used to detect colonic inflammation, but its efficacy for detecting small bowel inflammation is less established. We performed an updated meta-analysis to evaluate the diagnostic accuracy of FC to detect active small bowel inflammation observed during capsule endoscopy. Methods We conducted a systematic literature search for studies that evaluated the correlation between small bowel inflammation and FC in patients with suspected/established Crohn's disease. We calculated the pooled sensitivity, specificity, and diagnostic odds ratios (DORs) and constructed hierarchical summary receiver operating characteristic curves for FC cutoffs of 50, 100, and 200 μg/g. Results Fourteen studies were eligible for the final analysis. The DORs of all FC cutoffs were significant. The highest DOR was observed at 100 μg/g (sensitivity, 0.73; specificity, 0.73; and DOR, 7.89) and was suggested as the optimal diagnostic cutoff. If we analyzed only studies that included patients with suspected Crohn's disease, the DOR was 8.96. If we analyzed only studies that included patients with a Lewis score ≥135 as a diagnostic criterion for active disease, the DOR was 10.90. Conclusions FC has significant diagnostic accuracy for detecting small bowel inflammation, and an FC cutoff of 100 μg/g can be used as a tool to screen for small bowel Crohn's disease.
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Affiliation(s)
- Eun Suk Jung
- Division of Gastroenterology, Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| | - Sang Pyo Lee
- Division of Gastroenterology, Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| | - Sea Hyub Kae
- Division of Gastroenterology, Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| | - Jung Han Kim
- Division of Hematology-Oncology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Hyeong Su Kim
- Division of Hematology-Oncology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Hyun Joo Jang
- Division of Gastroenterology, Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
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Soomro S, Venkateswaran S, Vanarsa K, Kharboutli M, Nidhi M, Susarla R, Zhang T, Sasidharan P, Lee KH, Rosh J, Markowitz J, Pedroza C, Denson LA, Hyams J, Kugathasan S, Mohan C. Predicting disease course in ulcerative colitis using stool proteins identified through an aptamer-based screen. Nat Commun 2021; 12:3989. [PMID: 34183667 PMCID: PMC8239008 DOI: 10.1038/s41467-021-24235-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 06/04/2021] [Indexed: 12/19/2022] Open
Abstract
In the search for improved stool biomarkers for inflammatory bowel disease (IBD), an aptamer-based screen of 1129 stool proteins was conducted using stool samples from an IBD cohort. Here we report that of the 20 proteins subsequently validated by ELISA, stool Ferritin, Fibrinogen, Haptoglobin, Hemoglobin, Lipocalin-2, MMP-12, MMP-9, Myeloperoxidase, PGRP-S, Properdin, Resistin, Serpin A4, and TIMP-1 are significantly elevated in both ulcerative colitis (UC) and Crohn's disease (CD) compared to controls. When tested in a longitudinal cohort of 50 UC patients at 4 time-points, fecal Fibrinogen, MMP-8, PGRP-S, and TIMP-2 show the strongest positive correlation with concurrent PUCAI and PGA scores and are superior to fecal calprotectin. Unlike fecal calprotectin, baseline stool Fibrinogen, MMP-12, PGRP-S, TIMP-1, and TIMP-2 can predict clinical remission at Week-4. Here we show that stool proteins identified using the comprehensive aptamer-based screen are superior to fecal calprotectin alone in disease monitoring and prediction in IBD.
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Affiliation(s)
- Sanam Soomro
- Department Biomedical Engineering, University of Houston, Houston, TX, USA
| | - Suresh Venkateswaran
- Department of Pediatrics, Emory University School of Medicine and Children Health Care of Atlanta, Atlanta, GA, USA
| | - Kamala Vanarsa
- Department Biomedical Engineering, University of Houston, Houston, TX, USA
| | - Marwa Kharboutli
- Department Biomedical Engineering, University of Houston, Houston, TX, USA
| | - Malavika Nidhi
- Department Biomedical Engineering, University of Houston, Houston, TX, USA
| | - Ramya Susarla
- Department Biomedical Engineering, University of Houston, Houston, TX, USA
| | - Ting Zhang
- Department Biomedical Engineering, University of Houston, Houston, TX, USA
| | | | - Kyung Hyun Lee
- Center for Clinical Research and Evidence-based Medicine, McGovern Medical School, UT Health Science Center at Houston, Houston, TX, USA
| | - Joel Rosh
- Division of Gastroenterology, Hepatology, and Nutrition, Goryeb Children's Hospital, Atlantic Health, Morristown, NJ, USA
| | - James Markowitz
- Division of Gastroenterology, Hepatology, and Nutrition, Cohen Children's Medical Center Of New York, New Hyde Park, NY, USA
| | - Claudia Pedroza
- Center for Clinical Research and Evidence-based Medicine, McGovern Medical School, UT Health Science Center at Houston, Houston, TX, USA
| | - Lee A Denson
- Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Jeffrey Hyams
- Division of Digestive Diseases, Hepatology, and Nutrition, Connecticut Children's Medical Center, Hartford, CT, USA
| | - Subra Kugathasan
- Department of Pediatrics, Emory University School of Medicine and Children Health Care of Atlanta, Atlanta, GA, USA.
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA.
| | - Chandra Mohan
- Department Biomedical Engineering, University of Houston, Houston, TX, USA.
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29
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The utility of faecal and urine biomarkers for small bowel diseases. Curr Opin Gastroenterol 2021; 37:284-294. [PMID: 33769381 DOI: 10.1097/mog.0000000000000730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
PURPOSE OF REVIEW Small bowel diseases pose a unique diagnostic and management challenge and often requires tertiary specialist referral. The use of biomarkers may provide a cheap, noninvasive tool to assess the small bowel in terms of diagnosis, offering a better way to triage referrals and select patients for early management. This review looks at the most recent evidence behind the use of several faecal and urine biomarkers for small bowel diseases. RECENT FINDINGS Faecal calprotectin shows the most promise, with evidence to support its role in predicting relapse postsurgery and monitoring treatment response in patients with Crohn's disease. A faecal calprotectin less than 50 μg/g may also be used as a cut-off to triage further investigation. Faecal lactoferrin also appears promising as a marker of small bowel inflammation. A positive faecal immunohistochemistry test precapsule may help to prioritize referrals for obscure bleeding. SUMMARY The use of biomarkers in the diagnosis and management of small bowel disease is still controversial and remains unclear. More studies are required to further develop their potential and before societal guidelines can be developed to direct their appropriate use in clinical practice.
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30
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Lee YM, Choi S, Choe BH, Jang HJ, Kim S, Koh H, Kim ES, Kim MJ, Choe YH, Kang B. Association between Fecal Calprotectin and Mucosal Healing in Pediatric Patients with Crohn's Disease Who Have Achieved Sustained Clinical Remission with Anti-Tumor Necrosis Factor Agents. Gut Liver 2021; 16:62-70. [PMID: 33833135 PMCID: PMC8761923 DOI: 10.5009/gnl20300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 01/13/2021] [Accepted: 01/29/2021] [Indexed: 11/25/2022] Open
Abstract
Background/Aims Although mucosal healing (MH) is acknowledged as the treatment target in the treat-to-target era, there are limitations on repeated endoscopic examinations, especially in pediatric patients. We aimed to investigate whether fecal calprotectin (FC) could serve as a surrogate marker for the assessment of MH in pediatric patients with Crohn’s disease (CD) who have achieved sustained clinical remission (CR) while treated with anti-tumor necrosis factor (TNF) agents. Methods This multicenter retrospective cross-sectional study included pediatric CD patients who had sustained a CR for at least 6 months with anti-TNF agents and who simultaneously underwent ileocolonoscopy and FC tests during follow-up. MH was defined as the absence of any ulcer on ileocolonoscopy. Results A total of 131 patients were included in this study. MH was observed in 87 patients (66.7%). The FC level was significantly lower in patients with MH than in those without MH (median 49.0 mg/kg vs 599.0 mg/kg; p<0.001). According to the multivariate logistic regression analysis, FC was the only factor associated with MH (odds ratio, 0.62; 95% confidence interval [CI], 0.52 to 0.73; p<0.001). According to the receiver operating characteristic curve analysis, the optimal cutoff value for FC for the association with MH was <140 mg/kg (area under the curve 0.890, 95% CI 0.829 to 0.951, sensitivity 78.2%, specificity 88.6%, p<0.001). Conclusions FC was associated with MH in pediatric patients with CD who had achieved a sustained CR for at least 6 months with anti-TNF agents. In these patients, FC can be used to stratify patients and guide decisions regarding ileocolonoscopy in the treat-to-target era.
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Affiliation(s)
- Yoo Min Lee
- Department of Pediatrics, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Sujin Choi
- Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, Korea.,Crohn's and Colitis Association in Daegu-Gyeongbuk (CCAiD), Daegu, Korea
| | - Byung-Ho Choe
- Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, Korea.,Crohn's and Colitis Association in Daegu-Gyeongbuk (CCAiD), Daegu, Korea
| | - Hyo-Jeong Jang
- Crohn's and Colitis Association in Daegu-Gyeongbuk (CCAiD), Daegu, Korea.,Department of Pediatrics, Keimyung University School of Medicine, Daegu, Korea
| | - Seung Kim
- Department of Pediatrics, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Hong Koh
- Department of Pediatrics, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Eun Sil Kim
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Mi Jin Kim
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yon Ho Choe
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Ben Kang
- Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, Korea.,Crohn's and Colitis Association in Daegu-Gyeongbuk (CCAiD), Daegu, Korea
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31
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D'Amico F, Nancey S, Danese S, Peyrin-Biroulet L. A Practical Guide for Faecal Calprotectin Measurement: Myths and Realities. J Crohns Colitis 2021; 15:152-161. [PMID: 32392336 DOI: 10.1093/ecco-jcc/jjaa093] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIMS Faecal calprotectin [FC] is a valid and non-invasive marker of mucosal inflammation. It is widely used both in clinical trials and in daily clinical practice for patients with inflammatory bowel diseases, but currently no accepted standardization for FC testing is available. Our primary aim here was to provide a clinician's guide containing all the practical information on FC measurement in order to avoid any confounding factors, to minimize intra- and inter-individual variability in dosage, and to ensure a better and adequate interpretation of the results. METHODS We conducted a detailed search of the scientific literature in the PubMed/MEDLINE, EMBASE and Cochrane databases up to January 2020 to find all relevant and available articles on pre-analytical and analytical phases of FC measurement. RESULTS FC testing is a multi-step procedure consisting of a pre-analytical phase aimed to collect and process the stool sample and a subsequent analytical phase of FC measurement. Several factors can influence test results determining false positives or false negatives. Importantly, this faecal marker is mostly used for patient follow-up and as a predictor of treatment response. For this reason, any altered data may affect the physicians' decisions, negatively impacting on patient management. CONCLUSIONS This review provides for the first time practical advice to minimize dosage variability, although further dedicated studies are needed to compare commercially available tests and identify the best tools for the most precise and accurate FC measurement.
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Affiliation(s)
- Ferdinando D'Amico
- Department of Biomedical Sciences, Humanitas University, Milan, Italy.,Department of Gastroenterology and Inserm NGERE U1256, University Hospital of Nancy, University of Lorraine, Vandoeuvre-lès-Nancy, France
| | - Stéphane Nancey
- Department of Gastroenterology, Hospices Civils de Lyon, Lyon-Sud Hospital, Pierre Benite, and Inserm U1111, CIRI, Lyon, France
| | - Silvio Danese
- Department of Biomedical Sciences, Humanitas University, Milan, Italy.,IBD Center, Department of Gastroenterology, Humanitas Research Hospital, Rozzano -IRCCS-, Milan, Italy
| | - Laurent Peyrin-Biroulet
- Department of Gastroenterology and Inserm NGERE U1256, University Hospital of Nancy, University of Lorraine, Vandoeuvre-lès-Nancy, France
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Taylor H, Serrano-Contreras JI, McDonald JAK, Epstein J, Fell JM, Seoane RC, Li JV, Marchesi JR, Hart AL. Multiomic features associated with mucosal healing and inflammation in paediatric Crohn's disease. Aliment Pharmacol Ther 2020; 52:1491-1502. [PMID: 32929796 DOI: 10.1111/apt.16086] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/23/2020] [Accepted: 08/24/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND The gastrointestinal microbiota has an important role in mucosal immune homoeostasis and may contribute to maintaining mucosal healing in Crohn's disease (CD). AIM To identify changes in the microbiota, metabolome and protease activity associated with mucosal healing in established paediatric CD METHODS: Twenty-five participants aged 3-18 years with CD, disease duration of over 6 months, and maintenance treatment with biological therapy were recruited. They were divided into a low calprotectin group (faecal calprotectin <100 μg/g, "mucosal healing," n = 11), and a high calprotectin group (faecal calprotectin >100 μg/g, "mucosal inflammation," n = 11). 16S gene-based metataxonomics, 1 H-NMR spectroscopy-based metabolic profiling and protease activity assays were performed on stool samples. RESULTS Relative abundance of Dialister species was six-times greater in the low calprotectin group (q = 0.00999). Alpha and beta diversity, total protease activity and inferred metagenomic profiles did not differ between groups. Pentanoate (valerate) and lysine were principal discriminators in a machine-learning model which differentiated high and low calprotectin samples using NMR spectra (R2 0.87, Q2 0.41). Mean relative concentration of pentanoate was 1.35-times greater in the low calprotectin group (95% CI 1.03-1.68, P = 0.036) and was positively correlated with Dialister. Mean relative concentration of lysine was 1.54-times greater in the high calprotectin group (95% CI 1.05-2.03, P = 0.028). CONCLUSIONS This multiomic study identified an increase in Dialister species and pentanoate, and a decrease in lysine, in patients with "mucosal healing." It supports further investigation of these as potential novel therapeutic targets in CD.
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Affiliation(s)
- Henry Taylor
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Jose Ivan Serrano-Contreras
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, UK
| | - Julie A K McDonald
- MRC Centre for Molecular Bacteriology and Infection, Imperial College London, London, UK
| | - Jenny Epstein
- Paediatric Gastroenterology Department, Chelsea and Westminster Hospital, London, UK
| | - J M Fell
- Paediatric Gastroenterology Department, Chelsea and Westminster Hospital, London, UK
| | - Rocio C Seoane
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Jia V Li
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, UK
| | - Julian R Marchesi
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.,School of Biosciences, University of Cardiff, Cardiff, UK
| | - Ailsa L Hart
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, UK.,IBD Unit, St. Mark's Hospital, Harrow, UK
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Honig G, Heller C, Hurtado-Lorenzo A. Defining the Path Forward for Biomarkers to Address Unmet Needs in Inflammatory Bowel Diseases. Inflamm Bowel Dis 2020; 26:1451-1462. [PMID: 32812036 PMCID: PMC7500521 DOI: 10.1093/ibd/izaa210] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Indexed: 12/16/2022]
Abstract
Despite major advances in the inflammatory bowel diseases field, biomarkers to enable personalized and effective management are inadequate. Disease course and treatment response are highly variable, with some patients experiencing mild disease progression, whereas other patients experience severe or complicated disease. Periodic endoscopy is performed to assess disease activity; as a result, it takes months to ascertain whether a treatment is having a positive impact on disease progression. Minimally invasive biomarkers for prognosis of disease course, prediction of treatment response, monitoring of disease activity, and accurate diagnosis based on improved disease phenotyping and classification could improve outcomes and accelerate the development of novel therapeutics. Rapidly developing technologies have great potential in this regard; however, the discovery, validation, and qualification of biomarkers will require partnerships including academia, industry, funders, and regulators. The Crohn's & Colitis Foundation launched the IBD Biomarker Summit to bring together key stakeholders to identify and prioritize critical unmet needs; prioritize promising technologies and consortium approaches to address these needs; and propose harmonization approaches to improve comparability of data across studies. Here, we summarize the outcomes of the 2018 and 2019 meetings, including consensus-based unmet needs in the clinical and drug development context. We highlight ongoing consortium efforts and promising technologies with the potential to address these needs in the near term. Finally, we summarize actionable recommendations for harmonization, including data collection tools for improved consistency in disease phenotyping; standardization of informed consenting; and development of guidelines for sample management and assay validation. Taken together, these outcomes demonstrate that there is an exceptional alignment of priorities across stakeholders for a coordinated effort to address unmet needs of patients with inflammatory bowel diseases through biomarker science.
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Crohnʼs Disease Activity Quantified by Iodine Density Obtained From Dual-Energy Computed Tomography Enterography. J Comput Assist Tomogr 2020; 44:242-247. [DOI: 10.1097/rct.0000000000000986] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Abstract
Inflammatory bowel disease (IBD) denotes a group of chronic incurable disorders characterized by relapsing-remitting inflammation of the gastrointestinal tract. IBD represents a growing global burden with a prevalence exceeding 0.3% in the Western world and an accelerating incidence in newly industrialized countries. The target for treating IBD has shifted in recent years from symptom control to mucosal healing (MH), which has been shown to be associated with favorable long-term outcomes. The gold standard for ascertaining MH is endoscopic assessment, but endoscopy is limited by its invasive nature, high cost, and finite availability. Surrogate biomarkers are therefore of great utility. Calprotectin, a cytosolic protein derived predominantly from neutrophils, is now widely used in this capacity. Calprotectin is found in various bodily fluids at concentrations proportional to the degree of inflammation, including in feces at levels roughly six times higher than in the blood. Fecal calprotectin (FCP) therefore reflects intestinal inflammation. Various assays, including point-of-care and home-based tests, are now available for measuring FCP. FCP is used for screening purposes, to aid in distinguishing inflammatory from non-inflammatory gastrointestinal conditions like irritable bowel syndrome (IBS), as well as in the monitoring of known IBD. The aims of this review are to provide an overview of the methods used to measure FCP and to review the evidence supporting the use of FCP in IBD, particularly as it pertains to screening, monitoring and predicting disease relapse.
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Affiliation(s)
- Amanda Ricciuto
- a Division of Gastroenterology, Hepatology and Nutrition, The Hospital for Sick Children , University of Toronto , Toronto , Canada
| | - Anne M Griffiths
- a Division of Gastroenterology, Hepatology and Nutrition, The Hospital for Sick Children , University of Toronto , Toronto , Canada
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Gong SS, Fan YH, Han QQ, Lv B, Xu Y. Nested case-control study on risk factors for opportunistic infections in patients with inflammatory bowel disease. World J Gastroenterol 2019; 25:2240-2250. [PMID: 31143074 PMCID: PMC6526151 DOI: 10.3748/wjg.v25.i18.2240] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/11/2019] [Accepted: 03/30/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND When opportunistic infections occur, patients with inflammatory bowel disease (IBD) commonly display a significantly increased rate of morbidity and mortality. With increasing use of immunosuppressive agents and biological agents, opportunistic infections are becoming a hot topic in the perspective of drug safety in IBD patients. Despite the well-established role of opportunistic infections in the prognosis of IBD patients, there are few epidemiological data investigating the incidence of opportunis-tic infections in IBD patients in China. Besides, the risk factors for opportunistic infection in Chinese IBD patients remain unclear.
AIM To predict the incidence of opportunistic infections related to IBD in China, and explore the risk factors for opportunistic infections.
METHODS A single-center, prospective study of IBD patients was conducted. The patients were followed for up to 12 mo to calculate the incidence of infections. For each infected IBD patient, two non-infected IBD patients were selected as controls. A conditional logistic regression analysis was used to assess associations between putative risk factors and opportunistic infections, which are represented as odds ratios (OR) and 95% confidence intervals (CIs).
RESULTS Seventy (28.11%) out of 249 IBD patients developed opportunistic infections. Clostridium difficile infections and respiratory syncytial virus infections were found in 24 and 16 patients, respectively. In a univariate analysis, factors such as the severity of IBD, use of an immunosuppressant or immunosuppressants, high levels of fecal calprotectin, and C-reactive protein or erythrocyte sedimentation rate were individually related to a significantly increased risk of opportunistic infection. Multivariate analysis indicated that the use of any immunosuppressant yielded an OR of 3.247 (95%CI: 1.128-9.341), whereas the use of any two immunosuppressants yielded an OR of 6.457 (95%CI: 1.726-24.152) for opportunistic infection. Interestingly, when immunosuppressants were used in combination with infliximab (IFX) or 5-aminosalicylic acid, a significantly increased risk of opportunistic infection was also observed. The relative risk of opportunistic infection was greatest in IBD patients with severe disease activity (OR = 9.090; 95%CI: 1.532-53.941, relative to the remission stage). However, the use of IFX alone did not increase the risk of opportunistic infection.
CONCLUSION Factors such as severe IBD, elevated levels of fecal calprotectin, and the use of immunosuppressive medications, especially when used in combination, are major risk factors for opportunistic infections in IBD patients. The use of IFX alone does not increase the risk of opportunistic infection.
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Affiliation(s)
- Shan-Shan Gong
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
| | - Yi-Hong Fan
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
| | - Qing-Qing Han
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
| | - Bin Lv
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
| | - Yi Xu
- Department of Gastroenterology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
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