GlaxoSmithKline (GSK.US) and Pfizer (PFE.US) won the lawsuit. The Supreme Court of Delaware overturned the Zantac cancer testimony.

According to the Zhtng Financial news app, the Supreme Court of Delaware on Thursday ruled in support of companies such as GlaxoSmithKline (GSK.US), Pfizer (PFE.US), and Bristol-Myers Squibb, rejecting the validity of expert testimony that claims the heartburn drug Zantac is linked to thousands of cancer cases.