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Extraintestinal manifestation of inflammatory bowel disease in Asian patients: A multinational study

Park SK, Wong Z, Park SH, Vu KV, Bang KB, Piyachaturawat P, et al.

Dig Liver Dis, 2021 02;53(2):196-201.
PMID: 32736897 DOI: 10.1016/j.dld.2020.06.046

BACKGROUND/AIM: Although inflammatory bowel disease (IBD) incidence has increased over the past two decades in Asia, data on extraintestinal manifestations (EIMs) of IBD in Asian patients are limited. We aimed to evaluate the prevalence and clinical characteristics of EIMs in Asian IBD patients.
METHODS: In total, 1,764 patients (1,130 with ulcerative colitis [UC] and 634 with Crohn's disease [CD]) were recruited from 10 tertiary centers in Asia. The medical records of IBD patients were retrospectively reviewed for the presence, clinical characteristics, chronological order, and therapeutic management of EIMs.
RESULTS: EIMs were reported in 199 (11.3%) patients, of which 17 (1.0%) patients had multiple EIMs. EIMs were more prevalent in CD patients (P = 0.02). Multiple logistic regression analysis revealed that female sex (odds ratio [OR] 2.02, 95% confidence interval [CI] 1.15-3.55), stricture (OR 2.49, 95% CI 1.41-4.39) and female sex (OR 2.57, 95% CI 1.52-4.34), extensive colitis (OR 2.63, 95% CI 1.57-4.41) were associated with EIMs in CD and UC patients respectively. EIMs appeared in 8% of patients before IBD diagnosis; 95% of cases with EIM could be managed via first-line therapy.
CONCLUSION: EIM prevalence is lower among Asian IBD patients than among patients from Western countries; however, the risk factors for EIM were similar between both populations.
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

Park DI, Hisamatsu T, Chen M, Ng SC, Ooi CJ, Wei SC, et al.

J Gastroenterol Hepatol, 2018 Jan;33(1):30-36.
PMID: 29024102 DOI: 10.1111/jgh.14018

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 nine Asian countries concerning each statement. A consensus statement was accepted if at least 75% of the participants agreed. Part 2 of the statements comprised three parts: (3) management of latent TB in preparation for anti-TNF therapy, (4) monitoring during anti-TNF therapy, and (5) 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.
Asian Organization for Crohn's and Colitis and Asian Pacific Association of Gastroenterology consensus on tuberculosis infection in patients with inflammatory bowel disease receiving anti-tumor necrosis factor treatment. Part 1: Risk assessment

Park DI, Hisamatsu T, Chen M, Ng SC, Ooi CJ, Wei SC, et al.

J Gastroenterol Hepatol, 2018 Jan;33(1):20-29.
PMID: 29023903 DOI: 10.1111/jgh.14019

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 Asian 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 nine Asian countries concerning each statement. A consensus statement was accepted if at least 75% of the participants agreed. Part 1 of the statements comprised two parts: (i) risk of TB infection during anti-TNF therapy and (ii) 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.
Fulltext 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

Park DI, Hisamatsu T, Chen M, Ng SC, Ooi CJ, Wei SC, et al.

Intest Res, 2018 Jan;16(1):17-25.
PMID: 29422794 DOI: 10.5217/ir.2018.16.1.17

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.
Fulltext 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

Park DI, Hisamatsu T, Chen M, Ng SC, Ooi CJ, Wei SC, et al.

Intest Res, 2018 Jan;16(1):4-16.
PMID: 29422793 DOI: 10.5217/ir.2018.16.1.4

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.
Fulltext Best practices on immunomodulators and biologic agents for ulcerative colitis and Crohn's disease in Asia

Ooi CJ, Hilmi I, Banerjee R, Chuah SW, Ng SC, Wei SC, et al.

Intest Res, 2019 Jul;17(3):285-310.
PMID: 31146509 DOI: 10.5217/ir.2019.00026

The Asia-Pacific Working Group on inflammatory bowel disease (IBD) was established in Cebu, Philippines, under the auspices of the Asian Pacific Association of Gastroenterology with the goal of improving IBD care in Asia. This consensus is carried out in collaboration with Asian Organization for Crohn's and Colitis. With biologic agents and biosimilars becoming more established, it is necessary to conduct a review on existing literature and establish a consensus on when and how to introduce biologic agents and biosimilars in the conjunction with conventional treatments for ulcerative colitis (UC) and Crohn's disease (CD) in Asia. These statements also address how pharmacogenetics influence the treatments of UC and CD and provide guidance on response monitoring and strategies to restore loss of response. Finally, the review includes statements on how to manage treatment alongside possible hepatitis B and tuberculosis infections, both common in Asia. These statements have been prepared and voted upon by members of IBD workgroup employing the modified Delphi process. These statements do not intend to be all-encompassing and future revisions are likely as new data continue to emerge.
Best practices on immunomodulators and biologic agents for ulcerative colitis and Crohn's disease in Asia

Ooi CJ, Hilmi I, Banerjee R, Chuah SW, Ng SC, Wei SC, et al.

J Gastroenterol Hepatol, 2019 Aug;34(8):1296-1315.
PMID: 30848854 DOI: 10.1111/jgh.14648

The Asia-Pacific Working Group on Inflammatory Bowel Disease was established in Cebu, Philippines, under the auspices of the Asia-Pacific Association of Gastroenterology with the goal of improving inflammatory bowel disease care in Asia. This consensus is carried out in collaboration with Asian Organization for Crohn's and Colitis. With biologic agents and biosimilars becoming more established, it is necessary to conduct a review on existing literature and establish a consensus on when and how to introduce biologic agents and biosimilars in conjunction with conventional treatments for ulcerative colitis and Crohn's disease in Asia. These statements also address how pharmacogenetics influences the treatments of ulcerative colitis and Crohn's disease and provides guidance on response monitoring and strategies to restore loss of response. Finally, the review includes statements on how to manage treatment alongside possible hepatitis B and tuberculosis infections, both common in Asia. These statements have been prepared and voted upon by members of inflammatory bowel disease workgroup employing the modified Delphi process. These statements do not intend to be all-encompassing, and future revisions are likely as new data continue to emerge.