National Merck to Pay $5B to Settle Vioxx Claims Published November 9, 2007 at 3:00 AM PST This story was published more than 17 years ago. Facebook WhatsApp Email Listen • 0:00 RENEE MONTAGNE, Host:Merck pulled Vioxx off the market in 2004 after a study showed the drug raised the risk of heart attack. Transcript provided by NPR, Copyright NPR.