TA, here we go again, same old same old:
Monsanto's Superaspirin Celebrex Has Been Linked to Several Deaths
By ROCHELLE SHARPE Staff Reporter of THE WALL STREET JOURNAL 4-20-99
WASHINGTON -- Monsanto Co.'s breakthrough superaspirin Celebrex, touted as much safer than other pain killers, has been linked to 10 deaths and 11 cases of gastrointestinal hemorrhages in its first three months on the market, according to reports submitted to the Food and Drug Administration.
Five of the 10 people who died suffered from gastrointestinal bleeding or ulcers, the so-called adverse event reports said. Those fatalities included four men, ranging in age from 45 to 88, and one 75-year-old woman. Of the other deaths, two were attributed to heart attacks, one to drug interaction and one to kidney disorder. No cause of death was given for the other fatality.
Most of the 11 other cases of hemorrhages required hospitalization, according to the reports, which The Wall Street Journal obtained through a Freedom of Information Act request. And there were six other reports of abdominal pain or swelling associated with Celebrex, the FDA said.
Celebrex, manufactured by Monsanto's G.D. Searle & Co. and on the market for 13 weeks, is one of the nation's most prescribed new drugs. Already, 2.5 million prescriptions have been dispensed, compared with the record 2.7 million Viagra prescriptions in its first 13 weeks on the market.
Because of the huge volume of prescriptions, the FDA said it was difficult to evaluate the significance of these reports.
"We won't be able to reach conclusions about its relative safety compared to other painkillers until more research is done," said Robert DeLap, director of an FDA office of drug evaluation. "Do we think there's a signal that the product poses some special risk? No," not at the moment.
Public Citizen's health-research group, a Washington-based advocacy organization, said the side effects sound disturbingly similar to those associated with Meloxicam, a superaspirin marketed in Britain since 1996. Clinical studies of that drug had shown no significant damage, but now the drug carries warnings of the potential for severe gastrointestinal adverse effects. In the drug's first 21 months, 1,339 adverse reactions were reported to the government, including 549 gastrointestinal adverse effects. Of those, five people died and 94 others suffered from ulcers, bleeding or stomach perforations.
Searle officials said they continue to be excited about Celebrex. "We really feel the drug is performing as expected. The safety profile is what we would expect," said Steve Geis, the company's vice president for arthritis clinical research.
Celebrex, the first in a new class of painkillers known as Cox-2 inhibitors, is supposed to be safer than nonsteroidal painkillers such as American Home Products' Advil. Known as NSAIDs, these painkillers have been associated with thousands of ulcers and stomach problems, including between 10,000 and 20,000 deaths a year and more than 100,000 hospitalizations.
Analysts have projected that Cox-2 inhibitors could bring in $3 billion annually by 2001, mainly because they cause fewer stomach problems. Until now, Searle has had the Cox-2 market to itself in the U.S. But today, an FDA advisory panel will consider whether to approve its first major competitor, Merck & Co.'s Vioxx.
Dr. Geis, who declined to go into the details of any cases of death linked to Celebrex, noted that many of the patients taking the drug have other illnesses and are taking multiple medications. "These may contribute to any potential side effects," he said. He also said the number of incidents is relatively low, given the number of people taking the drug. |