How Does Deferasirox Reduce Liver Fibrosis?

Liver fibrosis is reduced in patients with iron overload β-thalassemia and hepatitis C given the iron chelator deferasirox, according to Yves Deugnier et al. in the October issue of Gastroenterology. The liver is the main site of iron accumulation in patients with iron-overload disorders. Storage of excess iron in the

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Do Stents Prevent Pancreatitis After ERCP?

Pancreatic duct stents reduce the incidence of pancreatitis following endoscopic retrograde cholangiopancreatography (ERCP), according to a study published in the October issue of Clinical Gastroenterology and Hepatology. Pancreatitis is the most common and potentially serious complication following ERCP, occurring in up to 9% of patients that receive this procedure and

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Stem Cells Account for Different Fates of Adenomatous and Hyperplastic Polyps

Adenomatous polyps expand the pool of colon stem cells to become malignant, whereas hyperplastic polyps (HPPs) do not, and therefore remain benign, according to a study published in the September issue of Gastroenterology. Many colorectal cancers arise from adenomatous polyps, which contain mutations that inactivate the tumor suppressor APC. These

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An Aspirin a Day Won’t Kill You, But it Might Cause GI Bleeding

Taking an aspirin a day reduces the risk for death, but increases odds of gastrointestinal (GI) bleeding, according to a large meta-analysis published in the September issue of Clinical Gastroenterology and Hepatology. Daily low doses of acetylsalicylic acid (ASA, also known as aspirin, 75 to 325 mg per day) are

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Bariatric Surgery – More Than Expected

Bariatric surgery doesn’t only cause dramatic weight loss—the procedure itself has profound metabolic effects, according to studies published in the September issue of Gastroenterology. Two types of bariatric surgery are most effective therapies for sustained weight loss in obese patients. In Roux-en-Y gastric bypass (RYGB), a gastric pouch drains into

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Successful Surgery for Children with Chronic Pancreatitis

Total pancreatectomy, accompanied by auto-transplantation of islet cells, increases the quality of life for children with severe chronic pancreatitis, according to Melena Bellin et al. in the September issue of Clinical Gastroenterology and Hepatology. Chronic pancreatitis is rare among children, but is painful and progressive and can lead to narcotic

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New Treatment for IBS

LX1031, a drug that inhibits serotonin production, relieves symptoms and increases stool consistency in patients with nonconstipating irritable bowel syndrome (IBS), according to a study by Philip Brown et al. in the August issue of Gastroenterology. Serotonin (also called 5-hydroxytryptamine or 5-HT) is a neurotransmitter that controls mood and cognition, as

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Certolizumab and Remission in Some Patients With Crohn’s Disease

The drug certolizumab pegol induces remission in patients with Crohn’s disease who have high baseline levels of inflammation, according to William Sandborn et al. in the August issue of Clinical Gastroenterology and Hepatology. Patients with moderate to severe Crohn’s disease that do not respond conventional therapy are often treated with

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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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Fluid Resuscitation for Acute Pancreatitis—When and With What?

Patients that are given fluid resuscitation within 24 hours of developing acute pancreatitis are less likely to experience systemic inflammatory response (SIR) or organ failure, according to a study by Matthew G. Warndorf et al. in the August issue of Clinical Gastroenterology and Hepatology. Acute pancreatitis is an inflammatory process

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