الأحد، 29 يونيو 2014

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Cetuximab or bevacizumab with combi chemo equivalent in KRAS wild-type MCRC

Posted: 28 Jun 2014 05:24 AM PDT

For patients with KRAS wild-type untreated colorectal cancer, adding cetuximab or bevacizumab to combination chemotherapy offers equivalent survival, researchers said.

Phase III trial shows improved survival with TAS-102 in metastatic colorectal cancer refractory to standard therapies

Posted: 28 Jun 2014 05:23 AM PDT

The new combination agent TAS-102 is able to improve overall survival compared to placebo in patients whose metastatic colorectal cancer is refractory to standard therapies, researchers said.

Herpes virus infection drives HIV infection among non-injecting drug users in New York

Posted: 27 Jun 2014 01:37 PM PDT

HIV infection among non-injecting drug users doubled over the last two decades, a study has found. HIV and its transmission has long been associated with injecting drug use, where hypodermic syringes are used to administer illicit drugs. Now, a newly reported study shows that HIV infection among heterosexual non-injecting drug users (no hypodermic syringe is used; drugs are taken orally or nasally) in New York City has now surpassed HIV infection among persons who inject drugs.

Potential Alzheimer's drug prevents abnormal blood clots in brain

Posted: 27 Jun 2014 01:37 PM PDT

The brains of Alzheimer's mice treated with the compound RU-505 showed less inflammation and improved blood flow than those of untreated mice. The treated mice also performed better on memory tests, researchers report. For more than a decade, potential Alzheimer's drugs have targeted amyloid-², but, in clinical trials, they have either failed to slow the progression of the disease or caused serious side effects. However, by targeting the protein's ability to bind to a clotting agent in blood, the work in one lab offers a promising new strategy.

Notorious pathogen forms slimy 'streamers' to clog up medical devices

Posted: 26 Jun 2014 06:33 PM PDT

A group of researchers from the US has moved a step closer to preventing infections of the common hospital pathogen, Staphylococcus aureus, by revealing the mechanisms that allow the bacteria to rapidly clog up medical devices.

Small changes to US kidney allocation policy may help reduce geographic disparities in transplantation

Posted: 26 Jun 2014 02:27 PM PDT

Small changes to kidney allocation policies in the United States could help alleviate geographic disparities related to transplantation, according to a new study. The findings suggest that local changes may be more effective than the sweeping changes that are currently being proposed to address geographic disparities.

Risk factors for chronic kidney disease are present decades before diagnosis

Posted: 26 Jun 2014 02:27 PM PDT

Risk factors for chronic kidney disease (CKD) are present and identifiable 30 years before diagnosis, according to a new study. The findings suggest avenues for future research to determine whether certain early interventions can prevent future kidney disease.

Atrial fibrillation linked to stroke: New way to prevent some strokes

Posted: 25 Jun 2014 05:19 PM PDT

25 percent of all stroke patients experience a cryptogenic ischemic stroke, meaning physicians are unable to determine a cause. For these patients, physicians believe atrial fibrillation, the most common type of arrhythmia (abnormal heart beat), may occur without the patient's knowledge, causing the stroke. During atrial fibrillation, the heart's upper chambers, or atria, quiver rather than beat; this allows blood to stay in the chamber and potentially cause a clot. If the clot travels from the heart and reaches the brain, a stroke is imminent.
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