IBD Shorts October 2018

C Ma et al. Clin Gastroenterol Hepaatol 2018; 16: 1407-19.  This study examined endpoints in randomized controlled trials (RCTs) of Crohn’s disease.  Key finding: Among 116 included RCTs (n=27,263 patients), there were 38 unique definitions of clinical response or remission and 32 definitions of loss of response. The most common endpoint was CD activity index.

RP Hirten et al. Clin Gastroenterol Hepatol 2018; 16: 1374-84. This review examines the topic of combining biologics in inflammatory bowel disease. Currently, there is little data in IBD.  From studies completed in rheumatology and dermatology, there are some safety concerns. One current study, the EXPLORER study, which is a phase 4 open label trial evaluating the use of vedolizumab in combination with adalimumab and methotrexate, will provide some useful information.  With regard to safety, gut-specific anti-integrin therapies are likely to be safer in combination than other biologic therapies.

RJ Colman et al. Inflamm Bowel Dis 2018; 24: 2135-41.  This systematic review and meta-analysis which included 14 eligible studies showed that the pooled clinical remission rate with methotrexate monotherapy for pediatric Crohn’s disease was 57.7% at 3-6 months and 37.1% at 1 year.

AA Wren et al. Inflamm Bowel Dis 2018; 24: 2093-2105. This study with 93,668 patients in a cohort from Truven MarketScan Database (2007-2015) identified a high rate of opioid therapy usage in U.S. adolescents and young adults (15-29 year olds).  Annual prevalence of chronic opioid use was 9.3% in 2007 and peaked at 12.2% in 2011. In 2015, the prevalence dropped to 10.8%.  Overall, 18.2% had received chronic opioid therapy.  Among the 2503 with chronic opioid usage who were followed longitudinally, 30.5% received opioids for 2 years and 5.3% for 4 years. The associated editorial (ME Kuenzig, EI Benchimol, pg 2140-5) note that these prevalence data may underestimate the true rate of opioid use due to the case definition of IBD used when analyzing the administrative data.

Lake Moraine, Banff

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