GlaxoSmithKline has agreed to pay up to $2.2 billion to settle 80,000 Zantac lawsuits.

Wednesday's announcement resolves 93% of all Zantac cases in state courts against GSK. And the deal comes after biopharma company agreed on Sept. 17 to settle out of the first Zantac trial in California, which began this month in Alameda County Superior Court in Oakland.