Article: Review of NMDA antagonist-induced neurotoxicity and implications for clinical development.
International journal of clinical pharmacology and therapeutics
2004 Volume 42, Issue 1, Page(s) 1–14
Abstract: NMDA receptor antagonists have been investigated for many years as therapeutic agents for the treatment of neurological disorders such as stroke, epilepsy, pain and Parkinson's disease. It has been discovered, however, that many of these compounds cause ... ...
Abstract | NMDA receptor antagonists have been investigated for many years as therapeutic agents for the treatment of neurological disorders such as stroke, epilepsy, pain and Parkinson's disease. It has been discovered, however, that many of these compounds cause adverse behavioral (psychotomimetic) effects and can produce neurotoxicity characterized by neuronal vacuolization, induction of heat-shock protein, neuronal/axonal degeneration and regional brain cell death in several animal species. It is unknown whether NMDA antagonists induce neurotoxicity in humans. The mechanism of NMDA antagonist-induced neurotoxicity is not completely known, but some evidence suggests disinhibition of GABAergic inputs to the affected neurons. Several classes of compounds have been shown to prevent NMDA antagonist-induced neurotoxicity. The extent of neurotoxicity produced by NMDA antagonists is affected by many factors, including type of antagonist, dose, length of exposure, age, sex and species. While there are no published regulatory guidelines regarding how NMDA antagonist compounds should be evaluated, sponsors and investigators of these compounds should make every effort to assess the potential for neurotoxicity. NMDA receptor antagonists, as well as other CNS-active compounds need to be analyzed for neurotoxicity through careful experimental design, adequate tissue sampling and through the use of a sensitive method of detection. |
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MeSH term(s) | Animals ; Decision Making, Computer-Assisted ; Female ; Forecasting ; Humans ; Models, Biological ; N-Methylaspartate/adverse effects ; N-Methylaspartate/antagonists & inhibitors ; N-Methylaspartate/pharmacokinetics ; Neurotoxicity Syndromes/prevention & control ; Receptors, N-Methyl-D-Aspartate/antagonists & inhibitors |
Chemical Substances | Receptors, N-Methyl-D-Aspartate ; N-Methylaspartate (6384-92-5) |
Language | English |
Publishing date | 2004-02-13 |
Publishing country | Germany |
Document type | Journal Article ; Review |
ZDB-ID | 124384-6 |
ISSN | 0946-1965 ; 0340-0026 ; 0300-9718 ; 0174-4879 |
ISSN | 0946-1965 ; 0340-0026 ; 0300-9718 ; 0174-4879 |
DOI | 10.5414/cpp42001 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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