Tepezza Lawsuits: Hearing-Related Side Effects and the Pursuit of Restitution


In the world of pharmaceutical innovation, the approval of Tepezza heralded a new dawn for thyroid eye disease treatment. Yet, as patients sought solace in this medical breakthrough, an unexpected discord surfaced. 

Allegations of permanent hearing loss and persistent tinnitus have emerged. This has resulted in legal action initiated by those who experienced the unheard side effects of Tepezza.

In this article, we will dive into the multifaceted narrative surrounding the Tepezza lawsuits. We will shed light on the legal battles, FDA involvement, and the resilient pursuit of compensation by affected individuals.

Tepezza’s Approval and Early Clinical Trials

Tepezza’s approval in January 2020 marked a significant breakthrough in treating thyroid eye disease (TED). As patients sought relief from ocular symptoms, initial clinical trials reported that approximately 10% of participants reported hearing issues during these trials. This statistic hinted at a potential downside to the promising drug.

AboutLawsuits highlights that as per later studies, the risk of patients getting a hearing disorder after Tepezza treatment is actually as high as 65%.

The approval, however, came with a caveat— the risk of hearing-related side effects lingered beneath the surface. Patients who initially focused on alleviating the complexities of TED have found themselves unexpectedly grappling with the prospect of permanent hearing impairment. 

The early clinical trials laid the groundwork for what would later become a legal movement seeking accountability and restitution.

Allegations of Inadequate Warnings 

The Tepezza lawsuit narrative stems from allegations that Horizon Therapeutics, the drug’s manufacturer, failed in its duty to provide adequate warnings. As patients experienced the distressing consequences of permanent hearing loss and tinnitus, they turned their attention to the drug’s label.

Plaintiffs argue that the label did not carry sufficient warnings, leaving both healthcare providers and patients in the dark regarding the potential risks. According to TorHoerman Law, the absence of explicit information about hearing-related side effects has become the focal point of legal contention. 

The rising discontent has led to each Tepezza case echoing the demand for transparent and comprehensive pharmaceutical warnings associated with Tepezza and similar drugs.

Formation of Multidistrict Litigation (MDL)

Tepezza lawsuits have taken center stage with the strategic move to consolidate cases into multidistrict litigation (MDL) in the Northern District of Illinois. Recognizing the common thread of alleged hearing-related side effects, plaintiffs have sought to streamline legal proceedings and enhance efficiency through the MDL.

The formation of the MDL under the guidance of Judge Thomas M. Durkin has allowed for a centralized examination of the claims. The diverse cases under MDL have provided a platform for a comprehensive assessment of Tepezza’s alleged impact on hearing health. 

The MDL has become a crucible where the collective pursuit of justice plays out against the backdrop of shared grievances and concerns.

MDL Updates and Pending Cases

Drugwatch notes that, as of the latest update in March 2024, there are 93 pending cases in Tepezza MDL. Each represents an individual’s quest for justice amidst alleged hearing-related side effects. 

Still in its early movements, the cases have yet to witness trials or court-approved settlements. The MDL provides a consolidated platform for litigants to share experiences, evidence, and legal strategies. 

This promotes a collaborative environment for navigating the complexities of the cases. The crescendo of legal developments continues to build, with the number of pending cases reflecting a growing awareness of the risks associated with Tepezza.

Adding a Warning to Tepezza’s Label

In a critical development, the FDA intervened in the Tepezza saga by adding a warning to the drug’s label in July 2023. The regulatory agency acknowledged the potential for severe hearing impairment, including permanent hearing loss. 

As reported by Medtruth, the Tepezza label now includes a hearing loss warning. In addition, it is also an instruction for clinicians to assess their patients’ hearing before, during, and after treatment.

This emphasizes the importance of assessing patients’ hearing before, during, and after Tepezza treatment. This regulatory decision marks a crucial turn in the legal narrative. This is because the FDA’s acknowledgment aligns with the claims made by plaintiffs in their pursuit of accountability. 

The heightened caution underscores the significance of transparency in pharmaceutical communications, urging a more informed approach to prescribing and using Tepezza.

Daniel Weibel’s Lawsuit

At the forefront of the Tepezza litigation stands Daniel Weibel, an Arizona man who filed one of the earliest lawsuits in August 2022. Weibel’s personal overture against Horizon Pharmaceuticals alleges that the drug caused him permanent hearing loss. 

This is a consequence he and his treating physician were reportedly unaware of during the treatment period from June to September 2020. Weibel’s case has become a representation of the stories of countless individuals who found themselves navigating the unexpected and life-altering repercussions of Tepezza usage.

Weibel’s pursuit of justice adds a personal touch to the broader dimension of those seeking restitution for hearing-related side effects.

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Seeking Compensation and Advocating for Awareness

Beyond the legal battlegrounds, the Tepezza lawsuits signify a pursuit of not merely seeking financial compensation but also advocating for awareness. Plaintiffs are aiming to recover medical expenses and lost wages while striving to shed light on the potential risks associated with Tepezza.

This pursuit extends beyond courtrooms into the world of patient advocacy, urging heightened awareness among healthcare providers and the general public. By sharing their experiences, these individuals aim to create a sense of caution among others.

This ensures that future prescriptions of Tepezza come with a thorough understanding of the potential hearing-related side effects. In doing so, it will contribute to the greater conversation around pharmaceutical safety.

In conclusion, the unfolding Tepezza lawsuits underscore a crucial intersection between pharmaceutical innovation and patient well-being. The legal battles reveal the imperative for transparent communication in the medical field, with the FDA’s intervention emphasizing the need for heightened awareness. 

The multidistrict litigation consolidates individual struggles, forming a collective pursuit of justice and accountability. Daniel Weibel’s case epitomizes the human impact, urging a comprehensive understanding of the unexpected consequences of Tepezza. 

Beyond financial compensation, plaintiffs advocate for awareness, shaping a discourse that prioritizes patient safety and informed decision-making in the world of pharmaceutical advancements.


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