The question of whether pharmaceutical profits contribute to delays in finding a cure for Alzheimer’s disease is complex and multifaceted. While it is tempting to suspect that the enormous profits made by drug companies might discourage them from developing a definitive cure, the reality involves a mix of scientific, economic, regulatory, and ethical factors.
Alzheimer’s disease is a devastating neurodegenerative disorder affecting millions worldwide, with no known cure despite decades of research. The disease’s complexity, involving the buildup of amyloid-beta plaques and tau protein tangles in the brain, makes it extraordinarily difficult to develop effective treatments. Many drugs have targeted these pathological features, but success has been limited. For example, drugs like aducanumab and donanemab, which aim to clear amyloid plaques, have shown only modest benefits in slowing cognitive decline and come with significant risks and high costs. These treatments have sparked controversy over their clinical value and pricing, with some health agencies rejecting coverage due to insufficient evidence of meaningful benefit.
Pharmaceutical companies invest heavily in research and development, often spending billions over many years to bring a drug to market. The high cost of drug development is partly why companies set high prices for new medications, especially for chronic and complex diseases like Alzheimer’s. These prices are intended to recoup investments and fund future research. However, the pricing strategies and profit motives can create tensions with public health goals, especially when new drugs offer only marginal improvements at very high costs, limiting access for many patients.
The patent system also plays a role. Large pharmaceutical firms hold extensive patent portfolios on Alzheimer’s drugs, focusing on established targets like amyloid-beta and tau proteins. Patents grant exclusivity, allowing companies to charge premium prices without competition for a period. While patents incentivize innovation, they can also delay the entry of cheaper generic drugs and limit the diversity of research approaches pursued.
Another factor is the scientific challenge itself. Alzheimer’s disease is not fully understood, and the brain’s complexity means tha





