Plaintiffs Lose Bid to Centralize Nine Suits Alleging Mirena IUD Caused Neuro Condition

Nine suits pending against Bayer Healthcare Pharmaceuticals Inc. based on allegations that its Mirena intrauterine device caused a neurological condition won’t proceed as a centralized action, the U.S. Judicial Panel on Multidistrict Litigation ruled Aug. 12 (In re Mirena IUS Levonorgestrel-Related Prods. Liab. Litig., J.P.M.L., MDL No. 2559).

The plaintiffs filed nine actions in six federal district courts alleging that a synthetic hormone released by the Mirena intrauterine device causes an abnormal rise of cerebrospinal fluid in the skull, resulting in a neurological condition known as pseudotumor cerebri or idiopathic intracranial hypertension. The plaintiffs also allege that ...