Author Archives: Andrew T. Chan, Christopher S. Williams

The optimal age to stop endoscopic surveillance for nondysplastic Barrett’s esophagus depends on sex and comorbidity level. Continue reading →

Patient-centric, orthogonal, genetic, and pharmacologic approaches identify sequential inhibition of XPO1 and ATR that may yield therapeutic benefit in TP53-mutant CRC. Continue reading →

A prospective, multicenter study examined the outcomes of endoscopic submucosal dissection for early gastrointestinal tumors in North America. Continue reading →

Healthy cotwins share gut microbiome signatures with their inflammatory bowel disease twins and unrelated patients Continue reading →

Two nationwide studies examine endoscopist performance and colorectal cancer after colonoscopy. Continue reading →

In this retrospective cohort study, continuation of low-dose aspirin use was associated with a nearly 3-fold increased risk of recurrent lower GI bleeding, but reduced risk of serious cardiovascular events and death. Continue reading →

In this phase 2 randomized clinical trial, a twice-daily subcutaneous synthetic ghrelin agonist, relamorelin, significantly reduced vomiting frequency and severity and accelerated gastric emptying in patients with moderate-to-severe diabetic gastropare… Continue reading →