Sanofi still faces about 20,000 lawsuits over Zantac in Delaware state court. A judge in Delaware Superior Court in ...

GSK launched Zantac in 1981 and it was first approved for sale in the US in 1983 as a prescription medication. It went on to become the world's best-selling drug, with annual sales in excess of $1bn.

Testing last month determined how such dangerous levels of ranitidine ended up in the antacid product. As it turns out, impurities in the NDMA found in ranitidine increase when exposed to higher ...