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Tepezza lawsuits have emerged, alleging that Horizon Therapeutics, the manufacturer of the drug, did not adequately warn doctors and patients about potential health risks. These legal actions primarily involve plaintiffs who have experienced permanent hearing loss or tinnitus after using Tepezza, a drug approved by the FDA in January 2020 for the treatment of thyroid eye disease (TED).


These lawsuits are in their early stages, with no trials scheduled or court-approved settlements as of May 2023. Tepezza lawsuits have been filed in several states, with a motion for consolidating these into a multidistrict litigation (MDL) case in the United States District Court for the Northern District of California filed in March 2023. However, Horizon has opposed this motion, suggesting instead that if consolidation is approved, it should be in Illinois where a group of Tepezza lawsuits already exists.




Key points in these lawsuits include the lack of warnings about the risk of hearing loss or tinnitus on the drug’s label and the potential permanence of these problems. Clinical trials reported hearing issues in approximately 10% of patients, but a 2021 study indicated the risk could be as high as 65%.


Filing a Tepezza lawsuit could potentially allow victims to receive compensation for medical bills, pain and suffering, lost wages, and decreased quality of life. It could also serve to warn other patients about the risks of Tepezza. As permanent hearing loss or tinnitus can significantly affect an individual’s quality of life, leading to feelings of frustration, anxiety, and depression, the stakes in these lawsuits are high.


Eligibility for filing a Tepezza lawsuit generally requires that the plaintiff experienced permanent or persistent hearing loss or tinnitus after using the drug. However, each state has its own statute of limitations, and potential plaintiffs are encouraged to consult with a legal professional to ensure the timely filing of their lawsuits.

Despite being individual cases currently, should the motion for consolidation into an MDL be approved, this could streamline the litigation process for many plaintiffs. Horizon’s preference for consolidation in Illinois could also impact the geographic distribution and legal dynamics of these cases.

In summary, Tepezza lawsuits present a complex landscape for plaintiffs, investors, and law firms. The legal battle over the manufacturer’s responsibility for potential health risks associated with the drug is still unfolding. With health implications and potential financial compensation at stake, these lawsuits have significant implications for all parties involved.

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