- Prednisone improves chronic inflammatory demyelinating polyradiculoneuropathy more than no treatment. Dyck, P.J., O'Brien, P.C., Oviatt, K.F., Dinapoli, R.P., Daube, J.R., Bartleson, J.D., Mokri, B., Swift, T., Low, P.A., Windebank, A.J. Ann. Neurol. (1982)