Why Do Only Some Gastric Tumors Respond to Therapy?

Tumors from patients with gastric cancer can be divided into subgroups, based on their gene expression pattern. This information can be used to select the best treatment, according to Patrick Tan and colleagues in the August issue of Gastroenterology. Gastric tumors have large, inter-individual differences in aggressiveness, histopathology features, and

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An Immune Culprit in IBD?

Patients with Crohn’s disease or ulcerative colitis have reduced levels of an important regulator of the immune response—the receptor for granulocyte-macrophage colony-stimulating factor (GM-CSF)—according to a study by Jonathan Goldstein et al. in the July issue of Gastroenterology. The inflammatory bowel diseases (IBD) ulcerative colitis and Crohn’s disease arise from

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Constipation Relief

The drug bisacodyl is effective against chronic constipation and improves patients’ quality of life, according to a large study published by Michael Kamm et al. in the July issue of Clinical Gastroenterology and Hepatology. Constipation affects 12% to 19% of Americans; its prevalence increases with age and it affects women

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Does Mucosal Healing Determine Which Patients Will Recover From Ulcerative Colitis?

Lack of mucosal healing, based on endoscopic analysis, identifies patients with ulcerative colitis (UC) who are not likely to respond to corticosteroid therapy, according to Sandro Ardizzone et al. in the June issue of Clinical Gastroenterology and Hepatology. In a prospective study, Ardizzone et al. followed 157 patients with moderate

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Relief from Irritable Bowel Syndrome

Patients with irritable bowel syndrome (IBS) had significant improvements in bowel habits and reductions in abdominal pain after taking a new drug called linaclotide, reports a study published in the December issue of Gastroenterology. Jeffrey M. Johnston et al. performed a placebo-controlled phase 2 trial of 4 different doses of

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