From CBC.ca:
Questions raised about arthritis drugs
Some Canadian doctors are wondering whether arthritis drugs in the same class as Vioxx, which caused nearly 28,000 heart attacks or deaths in the U.S. before it was pulled off the market in September, might carry some of the same risks.

The 28,000 figure emerged this week as the U.S. Food and Drug Administration released a new report about Vioxx.

In pulling it off worldwide markets more than a month ago, manufacturer Merck & Co. said its clinical trial had found the drug doubled the risk of heart attacks and strokes in patients who took it for more than 18 months, compared to those who took dummy pills.