New York – December 31, 2025 — Axsome Therapeutics has reached a major regulatory milestone after the U.S. Food and Drug Administration accepted and granted Priority Review to its supplemental New Drug Application (sNDA) for AXS-05 for the treatment of agitation associated with Alzheimer’s disease. The FDA has set a target action date of April 30, 2026, accelerating the regulatory timeline for a condition with limited approved therapeutic options.
The Priority Review designation reflects the FDA’s assessment that AXS-05 has the potential to provide meaningful clinical benefit in a serious and underserved indication, reducing the standard review period and elevating expectations for near-term regulatory decision-making.
Addressing a High-Unmet Need in Alzheimer’s Care
Agitation is one of the most common and challenging neuropsychiatric symptoms associated with Alzheimer’s disease, affecting a significant proportion of patients and placing substantial burden on caregivers and healthcare systems. The condition is linked to faster cognitive decline, earlier institutionalization, and increased mortality, yet approved pharmacological treatment options remain limited.
AXS-05 has been developed specifically to address this gap, positioning it as a potentially differentiated therapy within the broader neurodegenerative disease landscape.
Clinical and Regulatory Foundation
The sNDA submission is supported by a robust late-stage clinical development program, including multiple randomized, controlled Phase 3 studies and a long-term safety trial. The FDA had previously granted Breakthrough Therapy designation to AXS-05 for Alzheimer’s agitation, highlighting early evidence of substantial improvement over available treatment approaches.
AXS-05 is an oral, multi-mechanistic therapy that combines modulation of glutamatergic signaling with monoaminergic activity, designed to address complex neurobehavioral symptoms associated with neurodegenerative disease.
Strategic Implications for Axsome and the CNS Market
The Priority Review decision reinforces Axsome Therapeutics’ strategy of targeting high-impact CNS indications with limited competition and significant unmet need. A positive regulatory outcome in 2026 could expand the clinical utility of AXS-05 beyond its existing approved indication in major depressive disorder and strengthen Axsome’s position as a focused neuroscience innovator.
More broadly, the regulatory momentum highlights continued FDA openness to novel CNS therapies supported by strong clinical evidence, even in historically challenging neurodegenerative indications.
Outlook Toward 2026
As the FDA review progresses, AXS-05 will be closely watched by clinicians, investors, and healthcare policymakers alike. If approved, the therapy could represent a meaningful advancement in the management of Alzheimer’s disease agitation, with implications for patient quality of life, caregiver burden, and healthcare resource utilization.
The upcoming PDUFA decision is expected to be one of the most closely followed CNS regulatory events of 2026.


