Development and expert refinement of a stratified framework for progression independent of relapse activity (PIRA) in multiple sclerosis.
Hamdy E, Talaat F, Ramadan I, Oertel FC, Bennett JL, Abousteit A, Almashad SS, Zeineddine M, Hassan A, Said SM, Carnero Contentti E, Gaber D, Zakaria M, Ahmed S, Grigoriadis N, Fouda BH, Shalaby NM, Nasr N, Paul F, Zamzam D, Krupp L, Sayed A, Hassan SS, Naseer MA, Hegazy MI, Galeel AA, Elmesnshawy I, Salama S. Development and expert refinement of a stratified framework for progression independent of relapse activity (PIRA) in multiple sclerosis. Clin Neurol Neurosurg. 2026 Aug; 267:109430.