What's Happening?
The GLP-1 class of drugs, known for their transformative impact on diabetes and obesity treatment, is facing a significant challenge due to patient discontinuation caused by severe nausea and vomiting. Despite the drugs' success, with revenues reaching
$10.5 billion in the first half of 2025, up to 70% of patients experience gastrointestinal side effects, leading many to stop treatment. This issue is particularly concerning as the global market for GLP-1 drugs is projected to reach $95 billion by 2030. The discontinuation rates are high, with nearly half of patients with type 2 diabetes and two-thirds without diabetes ceasing use within a year. The industry has not prioritized addressing these side effects, unlike in acute diseases such as cancer, where treatments for chemotherapy-induced nausea are available.
Why It's Important?
The discontinuation of GLP-1 drugs due to side effects represents a significant loss for both patients and the pharmaceutical industry. Patients miss out on the full benefits of these drugs, including substantial weight loss and improved health outcomes, while the industry loses potential revenue. The issue highlights a disparity in how side effects are managed between acute and chronic diseases, with obesity-related nausea not receiving the same urgency as cancer-related nausea. Addressing this problem could improve patient adherence and outcomes, potentially increasing the market size and profitability for GLP-1 drugs.
What's Next?
Neurogastrx is developing NG101, a treatment for GLP-1-associated nausea, aiming to help patients continue their therapy. The company hopes to inspire other biopharma companies and investors to recognize the importance of addressing treatment-induced nausea in obesity. Increased advocacy from patients and recognition from physicians could drive demand for solutions, potentially leading to more innovative therapies and improved patient outcomes.
Beyond the Headlines
The issue of GLP-1-associated nausea raises ethical questions about the prioritization of side effect management in chronic diseases. It also highlights the need for a shift in industry focus towards patient-centered care, ensuring that the benefits of transformative drugs are fully realized. Long-term, addressing these side effects could lead to broader acceptance and use of GLP-1 drugs, impacting public health positively.












