Special Review
- IBD
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Asian Organization for Crohn's and Colitis and Asia Pacific Association of Gastroenterology consensus on tuberculosis infection in patients with inflammatory bowel disease receiving anti-tumor necrosis factor treatment. Part 1: risk assessment
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Dong Il Park, Tadakazu Hisamatsu, Minhu Chen, Siew Chien Ng, Choon Jin Ooi, Shu Chen Wei, Rupa Banerjee, Ida Normiha Hilmi, Yoon Tae Jeen, Dong Soo Han, Hyo Jong Kim, Zhihua Ran, Kaichun Wu, Jiaming Qian, Pin-Jin Hu, Katsuyoshi Matsuoka, Akira Andoh, Yasuo Suzuki, Kentaro Sugano, Mamoru Watanabe, Toshifumi Hibi, Amarender S. Puri, Suk-Kyun Yang
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Intest Res 2018;16(1):4-16. Published online January 18, 2018
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DOI: https://doi.org/10.5217/ir.2018.16.1.4
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Abstract
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Because anti-tumor necrosis factor (anti-TNF) therapy has become increasingly popular in many Asian countries, the risk of developing active tuberculosis (TB) among anti-TNF users may raise serious health problems in this region. Thus, the Asian Organization for Crohn's and Colitis and the Asia Pacific Association of Gastroenterology have developed a set of consensus statements about risk assessment, detection and prevention of latent TB infection, and management of active TB infection in patients with inflammatory bowel disease (IBD) receiving anti-TNF treatment. Twenty-three consensus statements were initially drafted and then discussed by the committee members. The quality of evidence and the strength of recommendations were assessed by using the Grading of Recommendations Assessment, Development, and Evaluation methodology. Web-based consensus voting was performed by 211 IBD specialists from 9 Asian countries concerning each statement. A consensus statement was accepted if at least 75% of the participants agreed. Part 1 of the statements comprised 2 parts: risk of TB infection Recommendaduring anti-TNF therapy, and screening for TB infection prior to commencing anti-TNF therapy. These consensus statements will help clinicians optimize patient outcomes by reducing the morbidity and mortality related to TB infections in patients with IBD receiving anti-TNF treatment.
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Special Review: Consensus on TB in IBD
- IBD
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Asian Organization for Crohn's and Colitis and Asia Pacific Association of Gastroenterology consensus on tuberculosis infection in patients with inflammatory bowel disease receiving anti-tumor necrosis factor treatment. Part 2: management
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Dong Il Park, Tadakazu Hisamatsu, Minhu Chen, Siew Chien Ng, Choon Jin Ooi, Shu Chen Wei, Rupa Banerjee, Ida Normiha Hilmi, Yoon Tae Jeen, Dong Soo Han, Hyo Jong Kim, Zhihua Ran, Kaichun Wu, Jiaming Qian, Pin-Jin Hu, Katsuyoshi Matsuoka, Akira Andoh, Yasuo Suzuki, Kentaro Sugano, Mamoru Watanabe, Toshifumi Hibi, Amarender S. Puri, Suk-Kyun Yang
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Intest Res 2018;16(1):17-25. Published online January 18, 2018
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DOI: https://doi.org/10.5217/ir.2018.16.1.17
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Abstract
PDF
PubReader
ePub
Because anti-tumor necrosis factor (anti-TNF) therapy has become increasingly popular in many Asian countries, the risk of developing active tuberculosis (TB) among anti-TNF users may raise serious health problems in this region. Thus, the Asian Organization for Crohn's and Colitis and the Asia Pacific Association of Gastroenterology have developed a set of consensus statements about risk assessment, detection and prevention of latent TB infection, and management of active TB infection in patients with inflammatory bowel disease (IBD) receiving anti-TNF treatment. Twenty-three consensus statements were initially drafted and then discussed by the committee members. The quality of evidence and the strength of recommendations were assessed by using the Grading of Recommendations Assessment, Development, and Evaluation methodology. Web-based consensus voting was performed by 211 IBD specialists from 9 Asian countries concerning each statement. A consensus statement was accepted if at least 75% of the participants agreed. Part 2 of the statements comprised 3 parts: management of latent TB in preparation for anti-TNF therapy, monitoring during anti-TNF therapy, and management of an active TB infection after anti-TNF therapy. These consensus statements will help clinicians optimize patient outcomes by reducing the morbidity and mortality related to TB infections in patients with IBD receiving anti-TNF treatment.
-
Citations
Citations to this article as recorded by

- Risk of Tuberculosis and Hepatitis B Reactivation in Patients With Crohn’s Disease on Ustekinumab: A Nationwide Real-World Study
Rongbei Liu, Zhilun Li, Lingna Ye, Jing Hu, Jian Tang, Baili Chen, Xiuli Chen, Bei Tan, Yubei Gu, Chen Xie, Chunhui Ouyang, Xiaomei Song, Fan Li, Yanyun Fan, Haixia Ren, Liangru Zhu, Min Chen, Wenyu Jiang, Qian Cao
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Original Article
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Comparative Analysis of Gastrointestinal Microbiota Between Normal and Caudal-Related Homeobox 2 (Cdx2) Transgenic Mice
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Hirotsugu Sakamoto, Takashi Asahara, Osamu Chonan, Norikatsu Yuki, Hiroyuki Mutoh, Shunji Hayashi, Hironori Yamamoto, Kentaro Sugano
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Intest Res 2015;13(1):39-49. Published online January 29, 2015
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DOI: https://doi.org/10.5217/ir.2015.13.1.39
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Abstract
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- Background/Aims
Caudal-related homeobox 2 (Cdx2) is expressed in the human intestinal metaplastic mucosa and induces intestinal metaplastic mucosa in the Cdx2 transgenic mouse stomach. Atrophic gastritis and intestinal metaplasia commonly lead to gastric achlorhydria, which predisposes the stomach to bacterial overgrowth. In the present study, we determined the differences in gut microbiota between normal and Cdx2 transgenic mice, using quantitative reverse transcription-polymerase chain reaction (qRT-PCR).
MethodsTwelve normal (control) and 12 Cdx2 transgenic mice were sacrificed, and the gastric, jejunal, ileac, cecal and colonic mucosa, and feces were collected. To quantitate bacterial microbiota, we used real-time qRTPCR with 16S rRNA gene-targeted, species-specific primers.
ResultsThe total numbers of bacteria in the gastric, jejunal, ileac, cecal, and colonic mucosa of the Cdx2 transgenic mice were significantly higher than those of the normal mice. The Bacteroides fragilis group and also Prevotella were not detected in the stomach of the normal mice, although they were detected in the Cdx2 transgenic mice. Moreover, the Clostridium coccoides group, Clostridium leptum subgroup, Bacteroides fragilis group, and Prevotella were not detected in the jejunum or ileum of the normal mice, although they were detected in the Cdx2 transgenic mice. The fecal microbiota of the normal mice was similar to that of the Cdx2 transgenic mice.
ConclusionsOur results showed the differences in composition of gut microbiota between normal and Cdx2 transgenic mice, which may be caused by the development of gastric achlorhydria and intestinal metaplasia in Cdx2 transgenic mice.
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