• Poor Adherence to Guidelines in Many Cases of Isoniazid-induced Liver Injury

Poor Adherence to Guidelines in Many Cases of Isoniazid-induced Liver Injury

Isoniazid is used to treat tuberculosis but is also a leading cause of liver injury. However, it is not clear how many cases of isoniazid-associated liver injury are reported or how many clinicians and patients adhere to American Thoracic Society (ATS) guidelines. In the September issue of Clinical Gastroenterology and Hepatology,

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  • VEGF Signaling Prevents Senescence in Colorectal Tumors

VEGF Signaling Prevents Senescence in Colorectal Tumors

Vascular endothelial growth factor receptor-2 (VEGFR2) signaling prevents senescence of colorectal cancer cells by inactivating p21, researchers report in the July issue of Gastroenterology. Inactivation of this pathway correlates with survival of patients treated with anti-VEGF cancer drug bevacizumab. VEGF, a growth factor that has been well studied for its

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Cheap Allergy Drug Prevents HCV Infection of Hepatocytes

An over-the-counter allergy drug may be repurposed to treat patients with hepatitis C, researchers show. Chlorcyclizine, which costs about $0.50 a tablet, could offer a low-cost alternative or addition to treatment for patients with hepatitis C virus (HCV) infection. Direct-acting antiviral therapies can cure hepatitis C, but their high cost—which

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  • What’s Wrong With Herbal Supplements?

What’s Wrong With Herbal Supplements?

Herbal supplements, used by many people for weight loss and bodybuilding purposes but also to improve well-being and reduce symptoms of chronic diseases, have recently come under investigation because of uncertainty about their contents, safety, and efficacy. On February 3, the New York Times wrote that the New York State attorney general’s office accused 4 major retailers of selling

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  • What is the Best Treatment Strategy for Hepatitis B?

What is the Best Treatment Strategy for Hepatitis B?

Response-guided interferon therapy is the most cost-effective first-line treatment for hepatitis B e antigen (HBeAg)-positive patients, whereas nucleos(t)ide analogues are the most cost-effective first-line therapy for HBeAg-negative patients, researchers report in the February issue of Clinical Gastroenterology and Hepatology. Pegylated interferon and nucleos(t)ide analogues are recommended first-line treatment options for

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  • A New Approach to Hepatitis B Therapy?

A New Approach to Hepatitis B Therapy?

Cyclophilins are involved in multiple steps of the hepatitis B virus (HBV) life cycle in hepatocytes—cyclophilin inhibitors reduce viral replication and HBV envelope protein production and secretion, researchers report in the February issue of Gastroenterology. The cyclophilin inhibitor alisporivir, combined with the HBV polymerase inhibitor, reduces markers of HBV infection

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  • Do Selective Serotonin Reuptake Inhibitors Increase Risk for GI Bleeding?

Do Selective Serotonin Reuptake Inhibitors Increase Risk for GI Bleeding?

Use of selective serotonin reuptake inhibitors increases risk for upper gastrointestinal bleeding (UGIB) by 55%—and even more among patients also taking nonsteroidal anti-inflammatory or antiplatelet drugs, researchers report in the January issue of Clinical Gastroenterology and Hepatology. Risk might be reduced significantly by concomitant use of acid-suppressing drugs. Selective serotonin

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New Programs Track Off-Label Use of Targeted Cancer Drugs

Two programs are underway to track off-label use of targeted cancer drugs and patient outcomes, as well as facilitate patient access to these agents. According to Nature News, more than 60% of US prescriptions for cancer drugs are for off-label use—often because patients have a tumor with a feature or

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New Ways to Treat HCV Infection After Liver Transplant

New direct-acting agents against hepatitis C virus (HCV) can cure the infection when it recurs in patients with liver transplants. Researchers reported findings from 3 separate studies at the 65th Annual Meeting of the American Association for the Study of Liver Diseases last week in Boston. HCV is the leading

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  • Can Mesalamine Prevent Diverticulitis Recurrence?

Can Mesalamine Prevent Diverticulitis Recurrence?

Mesalamine is no better than placebo in preventing recurrent diverticulitis, and is not recommended for its treatment, researchers conclude from 2 international phase 3 studies. The findings are published in the October issue of Gastroenterology. Diverticular disease is characterized by formation of small pouches (diverticula) that push outward through weak spots in the colon wall.  Diverticulitis

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