Alzheimer’s disease
As 2026 begins, a slate of high-stakes clinical readouts—from a pivotal study of Novartis’ cardiovascular candidate pelacarsen to a Phase III test of Eli Lilly’s next-gen Alzheimer’s drug—are poised to reshape therapeutic landscapes.
Despite the definitive failure of Novo Nordisk’s semaglutide in Alzheimer’s, biotech executives, analysts and other industry experts see potential in more testing of GLP-1s for the neurodegenerative disease, particularly in a combination approach.
The star of the agreement targets a specific type of tau protein, helping to prevent toxic accumulation in the brain while also preserving the function of healthy tau.
In the midst of regulatory and political upheaval, biopharma’s R&D engine kept running, churning out highs and lows in equal parts. Here are some of this year’s most glorious clinical trial victories.
Every year in biopharma brings its share of grueling defeats, and 2025 was no different, especially for companies targeting neurological diseases. Some failures split up partners, and one particularly egregious case even led to the demise of an entire company.
Pfizer deals again in obesity space as Wave and Structure drop splashy weight loss results; what CDER Director Richard Pazdur’s sudden retirement means for biopharma; neuro diseases take center stage at CTAD; and more.
Days after Johnson & Johnson’s posdinemab failed to slow clinical decline in patients with Alzheimer’s disease, Eisai Chief Clinical Officer Lynn Kramer expressed unwavering conviction in his company’s own anti-tau asset, while others suggest the Alzheimer’s field is heading in a completely different direction.
Analysts had noted “unease” from investors regarding the state of the Phase III ADEPT-2 trial, with BMS at one point telling Leerink Partners that the reopening of enrollment would be a “significant development.”
After covering the Alzheimer’s space through every high and low, BioSpace’s Annalee Armstrong welcomes back Roche for the 2026 Alzheimer’s Renaissance.
Trontinemab lowered amyloid levels below the threshold of positivity in 92% of treated patients.
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