Efficacy and safety of amantadine in the treatment of fatigue in multiple sclerosis: a systematic review and meta-analysis of randomized controlled trials. - Amin, Ahmed Mostafa; Kashbour, Muataz; Alsokery, Ahmed Fawzy; Nady, Ahmed; Wagdy, Mohamed; Awadallah, Ahmed ElSayed; Aboyadak, Ahmed Reda; Meshref, Mostafa (Journal of Neural Transmission, 2026)