Pharmacokinetics of nicomorphine and its metabolites in man after epidural administration. 1991

P M Koopman-Kimenai, and T B Vree, and M A Hasenbos, and E W Weber, and C P Verweij-Van Wissen, and L H Booij
Department of Clinical Pharmacy, Academic Hospital, Nijmegen Sint Radboud, The Netherlands.

In ten patients who received an epidural injection of 15 mg of nicomorphine, the compound was relatively slowly released from the epidural space and was found in plasma for approximately 1.5 h. Nicomorphine is relatively slowly metabolized into 6-nicotinoylmorphine and morphine. The rate of release is patient-dependent. The relative AUC values are 15.3% for nicomorphine, 23.9% for 6-nicotinoylmorphine and 60.8% for morphine. The mean clinical effect lasts for 18.2 +/- 10.1 h.

UI MeSH Term Description Entries
D007268 Injections, Epidural The injection of drugs, most often analgesics, into the spinal canal without puncturing the dura mater. Epidural Injections,Extradural Injections,Peridural Injections,Injections, Extradural,Injections, Peridural,Epidural Injection,Extradural Injection,Injection, Epidural,Injection, Extradural,Injection, Peridural,Peridural Injection
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009020 Morphine The principal alkaloid in opium and the prototype opiate analgesic and narcotic. Morphine has widespread effects in the central nervous system and on smooth muscle. Morphine Sulfate,Duramorph,MS Contin,Morphia,Morphine Chloride,Morphine Sulfate (2:1), Anhydrous,Morphine Sulfate (2:1), Pentahydrate,Oramorph SR,SDZ 202-250,SDZ202-250,Chloride, Morphine,Contin, MS,SDZ 202 250,SDZ 202250,SDZ202 250,SDZ202250,Sulfate, Morphine
D009022 Morphine Derivatives Analogs or derivatives of morphine. Morphines
D009539 Nicotinic Acids 2-, 3-, or 4-Pyridinecarboxylic acids. Pyridine derivatives substituted with a carboxy group at the 2-, 3-, or 4-position. The 3-carboxy derivative (NIACIN) is active as a vitamin. Acids, Nicotinic
D005260 Female Females
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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