Matches in DBpedia 2014 for { ?s ?p 3-Hydroxymorphinan (3-HM), or morphinan-3-ol, is a psychoactive drug of the morphinan family. It is the racemic version of norlevorphanol.The dextrorotatory stereoisomer of the compound is an active metabolite of dextromethorphan, dextrorphan, and 3-methoxymorphinan, and similarly to them has potent neuroprotective and neurotrophic effects on LTS- and MPTP-treated dopaminergic neurons of the nigrostriatal pathway, but notably without producing any neuropsychotoxic side effects (e.g., dissociation or hallucinations) or having any anticonvulsant actions. It does not seem to bind to the NMDA receptor, and instead, its neuroprotective properties appear result from inhibition of glutamate release via the suppression of presynaptic voltage-dependent Ca2+ entry and protein kinase C activity. In any case, as such, the compound has been investigated as a potential antiparkinsonian agent. A prodrug, GCC1290K, has been developed on account of 3-HM's poor bioavailability (18%), and a New Drug Application has been approved for it by the United States Food and Drug Administration. It is currently undergoing clinical trials for the treatment of Parkinson's disease.3-HM's levorotatory stereoisomer, norlevorphanol, in contrast to (+)-3-HM, is an opioid analgesic. It was never marketed as such however, probably due to a combination of the facts that norlevorphanol has low bioavailability and that its potency is diminished compared to its N-methylated analogue levorphanol.. }
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- 3-Hydroxymorphinan abstract "3-Hydroxymorphinan (3-HM), or morphinan-3-ol, is a psychoactive drug of the morphinan family. It is the racemic version of norlevorphanol.The dextrorotatory stereoisomer of the compound is an active metabolite of dextromethorphan, dextrorphan, and 3-methoxymorphinan, and similarly to them has potent neuroprotective and neurotrophic effects on LTS- and MPTP-treated dopaminergic neurons of the nigrostriatal pathway, but notably without producing any neuropsychotoxic side effects (e.g., dissociation or hallucinations) or having any anticonvulsant actions. It does not seem to bind to the NMDA receptor, and instead, its neuroprotective properties appear result from inhibition of glutamate release via the suppression of presynaptic voltage-dependent Ca2+ entry and protein kinase C activity. In any case, as such, the compound has been investigated as a potential antiparkinsonian agent. A prodrug, GCC1290K, has been developed on account of 3-HM's poor bioavailability (18%), and a New Drug Application has been approved for it by the United States Food and Drug Administration. It is currently undergoing clinical trials for the treatment of Parkinson's disease.3-HM's levorotatory stereoisomer, norlevorphanol, in contrast to (+)-3-HM, is an opioid analgesic. It was never marketed as such however, probably due to a combination of the facts that norlevorphanol has low bioavailability and that its potency is diminished compared to its N-methylated analogue levorphanol.".