Study Status: Terminated
Recruit Status: Terminated
Study Type: Interventional
Official Title: Long-term Open-label Extension Study to Assess the Safety, Tolerability, and Efficacy of Neramexane Mesylate in Congenital Idiopathic Nystagmus and Acquired Nystagmus
Brief Summary: The purpose of this study is to investigate the long-term safety, tolerability and efficacy of neramexane mesylate in the treatment of congenital idiopathic nystagmus (CIN). In addition, a subgroup of multiple sclerosis (MS) patients suffering from acquired nystagmus will be included.