Modafinil Beyond the Blood-Brain Barrier: Systemic Immune, Inflammatory, and Metabolic Considerations for Long-Term Users
Modafinil's reputation as a targeted wakefulness agent has long overshadowed its measurable effects on immune regulation, inflammatory signaling, and metabolic function. Emerging preclinical and clinical data suggest the drug exerts pleiotropic activity well beyond the central nervous system, raising questions that clinicians and long-term users cannot afford to ignore. This review synthesizes available evidence on modafinil's systemic profile, with particular attention to immunomodulation, cyto