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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

The neuroprotective effect of the forebrain-selective NMDA antagonist CP101,606 upon focal ischemic brain damage caused by acute subdural hematoma in the rat.

The neuroprotective effects of drugs that act against excitotoxic damage, caused by glutamate, are well described in focal ischemia, but behavioral effects, and apparent failure in clinical trials of "first-generation" competitive N-methyl D-aspartate (NMDA) antagonists, such as Selfotel (CGS19755), has led to interest in evaluating newer NMDA antagonists with fewer behavioral effects. We have therefore evaluated the neuroprotective effect of a new forebrain-selective polyamine site NMDA antagonist, CP101,606 in a rat subdural hematoma (SDH) model. An SDH was produced by slow injection of 0.4 ml autologous blood into the parietal subdural space. Brain damage was assessed histologically at eight coronal planes, in animals sacrificed 4 h after induction of hematoma. The drug was infused 30 min after induction of SDH. The reductions of ischemic brain damage achieved by CP101,606, was 29% for the low dose and 37% for the high dose. This novel glutamate antagonist has shown a magnitude of neuroprotection which is comparable with that seen with "first-generation" NMDA antagonists such as MK801, D-CPP-ene and CGS19755, in this same model. This new agent is claimed to have fewer psychomotor and behavioral effects than MK801, D-CPP-ene, and CGS19755.[1]


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