Drug therapy for acquired pendular nystagmus in multiple sclerosis.

Acquired pendular nystagmus (APN) is regularly accompanied by oscillopsia and impairment of static visual acuity. Therapeutic approaches to APN remain controversial, and there is no generally accepted therapeutic approach. We tested 14 patients who had suffered from APN caused by multiple sclerosis for several years; 12 patients presented with fixational pendular nystagmus (increasing during fixation) and 2 with spontaneous pendular nystagmus. All 11 patients with fixational pendular nystagmus who were given memantine, a glutamate antagonist, experienced complete cessation of the nystagmus. In contrast, scopolamine caused no (6 of 8) or only a minor (10-50%) reduction of the nystagmus (2 of 8). It was concluded that memantine is a safe treatment option for APN.
AuthorsM Starck, H Albrecht, W Pöllmann, A Straube, M Dieterich
JournalJournal of neurology (J Neurol) Vol. 244 Issue 1 Pg. 9-16 (Jan 1997) ISSN: 0340-5354 [Print] GERMANY
PMID9007739 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Excitatory Amino Acid Antagonists
  • Muscarinic Antagonists
  • Scopolamine Hydrobromide
  • Memantine
  • Adult
  • Electrooculography
  • Excitatory Amino Acid Antagonists (therapeutic use)
  • Female
  • Humans
  • Male
  • Memantine (adverse effects, therapeutic use)
  • Middle Aged
  • Multiple Sclerosis (complications)
  • Muscarinic Antagonists (therapeutic use)
  • Nystagmus, Pathologic (diagnosis, drug therapy)
  • Scopolamine Hydrobromide (adverse effects, therapeutic use)
  • Treatment Outcome
  • Visual Acuity (drug effects)

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