Subject: Coordinated and Consolidated Proceedings

Preemption Torpedoes State Law Claims against Generics Makers in Zantac MDL

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A judge in the United States District Court for the Southern District of Florida presiding over the In Re: Zantac (Ranitidine) Products Liability Litigation multidistrict litigation, MDL No. 2924, has held that state labeling and design defect claims against the makers, re-packagers, retailers, and distributors of generic forms for the popular heartburn medication Zantac were preempted by federal law.  The court subsequently dismissed these claims against 32 such Zantac generics makers and distributors.

The Zantac MDL was created by the United States Judicial Panel on Multidistrict Litigation on February 6, 2020.  The plaintiffs allege that ranitidine, the active ingredient in Zantac and its generic forms, breaks down into N-nitrosodimethylamine (“NDMA”), which is part of a group of compounds that have been shown to increase the risk of cancer. The plaintiffs allege a variety of product liability and related claims against the makers and distributors of Zantac and its generic forms under federal and state laws.

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Second Circuit Affirms Mirena MDL Court’s “Hard Look” at Plaintiffs’ Experts’ Methodology

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On December 8, 2020, the Second Circuit Court of Appeals affirmed the Southern District of New York’s granting of summary judgment in favor of Bayer — and resulting closure of all cases against Bayer — in the Mirena multidistrict litigation (MDL). In re Mirena IUS Levonorgestrel-Related Prod. Liab. Litig. (No. II), No. 19-2155, 2020 WL 7214264 (2d Cir. Dec. 8, 2020).

In the MDL, the plaintiffs alleged that the Mirena Intrauterine System had caused them to develop idiopathic intracranial hypertension (IIH). The District Court elected to focus first on whether the plaintiffs had evidence sufficient to establish general causation. The District Court held a Daubert hearing that lasted three days and featured testimony by 19 general causation witnesses — 7 for the plaintiffs and 12 for Bayer. On October 24, 2018, the District Court entered a detailed 156-page opinion granting Bayer’s Daubert motion as to all of the plaintiffs’ experts and denying as moot plaintiffs’ motion to preclude Bayer’s experts. In re Mirena IUS Levonorgestrel-Related Prods. Liab. Litig., 341 F. Supp. 3d 213 (S.D.N.Y. 2018). Bayer then filed a motion for summary judgment, which the District Court granted for lack of general causation and dismissed all cases in the Mirena MDL.

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