MERCK'S VIOXX REPLACEMENT HAS SIDE EFFECTS

Merck on Wednesday said the experimental arthritis drug Arcoxia, in a study, met its main goal of causing no more blood clot-related heart attacks than a standard treatment, but more patients taking Arcoxia withdrew from the trial due to serious side effects.

CNN Money (http://money.cnn.com/2006/08/23/news/companies/merck.reut/)