Raymond C. Harris, M.D., left, Ming-Zhi Zhang, M.D., M.Sc., and colleagues are investigating why COX-2 inhibitors cause heart problems in some patients. Credit: Photo by John Russell
It’s been about a decade since the promise of COX-2 inhibitors – drugs that relieve arthritis pain and inflammation without the gastrointestinal side effects of other painkillers – was tempered by the realization that they could cause heart problems in some patients. Now a team of Vanderbilt University Medical Center scientists are closer to understanding why. They have found that production of prostaglandins by macrophages may play a role, especially in the kidney and the skin. Their findings could lead to development of a new, better-targeted class of drugs that relieve pain without causing vascular effects.
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