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Memantine treatment of complex regional pain syndrome (CRPS): Report of six cases

The aim of this investigation was to study the influence of a central acting drug, Memantine, in patients with CRPS of one upper extremity. Six patients were treated with Memantine for 8 weeks; they had developed CRPS after traumatic injury. Their pain levels were measured using a numeric pain scale (0=no pain to 10=maximum pain). Motor symptoms were documented for the fingers and wrist. Before and after pictures were compared.

The researchers report that six months after treatment with Memantine, all patients showed a significant decrease in their pain levels and improvement in motor symptoms and autonomic changes. Based on these results, the use of Memantine for treatment of CRPS seems promising. Sinis N; Birbaumer N; Gustin S; Schwarz A; Bredanger S; Becker S; Unertl K; Schaller H; Haerle M. Adapted from Clin J Pain. 2007 Mar-Apr;23(3):237-43.

PMID: 17314583
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed

Credit: PubMed, developed by the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM).



Department of Pain Medicine and Palliative Care
Beth Israel Medical Center, New York City
©2005 Continuum Health Partners, Inc.
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