: GSK defends Zantac ahead of trials that have wiped off $44 billion from leading drugmakers

by | Aug 12, 2022 | Stock Market

GSK on Friday put out a statement saying there’s no link between a withdrawn heartburn medication and cancer, helping to stem a slide in its stock that had wiped out $44 billion in valuation from leading drugmakers. “The overwhelming weight of the scientific evidence supports the conclusion that there is no increased cancer risk associated with the use of ranitidine. Suggestions to the contrary are therefore inconsistent with the science, and GSK will vigorously defend itself against all meritless claims alleging otherwise,” the U.K. drugmaker said, referring to the scientific name for Zantac.


rose 5% on Friday, but its shares have slumped 12% this week, its worst performance since the 2008 financial crisis. Ahead of trials that are set to begin on Aug. 22, GSK said both the U.S. Food and Drug Administration as well as the European Medicines Agency have concluded there’s no evidence of a causal association between ranitidine therapy and the development of cancer in patients. The GSK statement doesn’t reveal any new findings. The FDA findings were dated Nov. 2019 and June 2021, and the EMA review is from Sept. 2020. It mirrors comments from Sanofi, which also marketed the drug. The FDA in 2019 recalled Zantac after testing showed it produced high levels of a cancer-causing substance. GSK said it has been named as a defendant in 3,000 filed personal injury cases, and …

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