What were the biggest clinical trial flops of 2024?
Feb 21, 2025
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James Waldron, a journalist from Fierce Biotech, brings insights on the biggest clinical trial failures of 2024. He highlights the disappointing results from major companies like AbbVie and Pfizer, particularly in trials for schizophrenia and Duchenne muscular dystrophy. The discussion delves into lessons learned from these setbacks and the human impact of failed trials. Waldron and Gabrielle Masson also explore the ongoing challenges the industry faces and the crucial need for innovative treatments to improve patient outcomes.
The podcast highlights significant clinical trial failures in 2024, particularly in complex diseases like Alzheimer's and schizophrenia.
Disappointing results from major pharmaceutical companies underscore the high-risk nature of drug development and the extensive implications for patient health.
Deep dives
High-Profile Failures in Drug Development
The annual report on clinical trial failures highlights significant setbacks in drug development, underscoring the high risks involved in the pharmaceutical industry. This year's list notably includes failures in challenging areas such as Alzheimer's and schizophrenia, which have long sought new treatment options. For instance, AbbVie experienced a setback with a schizophrenia candidate it had acquired for $8.7 billion, which held promise after a previous breakthrough was made by a competitor. Such examples reiterate the necessity for ongoing innovation in the industry and the harsh realities that come with it, emphasizing that even major companies can encounter substantial hurdles.
The Broader Implications of Clinical Failures
The discussion reflects on the significant impact of failures, such as Merck's challenges with its anti-TIGIT drug, vibostolumab, which struggled to achieve desired results in multiple trials. Initially viewed as a potential breakthrough in immuno-oncology, the drug's development was halted after issues with patient discontinuations arose in a crucial phase three trial. Similarly, Pfizer faced severe repercussions when its gene therapy for Duchenne muscular dystrophy failed to improve patient outcomes, culminating in a patient’s tragic death during trials. These instances illustrate that clinical trials not only represent financial stakes for companies but also carry profound implications for patient health and the future of treatment options.
Clinical-stage drug development offers big rewards—and big risks. To that end, Fierce Biotech recently published its annual roundup of several of the most eye-catching trial failures of the preceding year. The 2024 list includes trial flops from the likes of AbbVie, Novo Nordisk, Pfizer and more, with reports of disappointing results in many tough-to-treat indications, including schizophrenia and Alzheimer's disease.
In this week’s episode of The Top Line, we dive into the report. Fierce Biotech’s James Waldron and Gabrielle Masson discuss the entries that stood out for them and ask what lessons the biopharma industry can learn from these setbacks going forward.