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Encyclopedia > Dextromoramide
Systematic (IUPAC) name
CAS number  ?
ATC code N02AC01
PubChem 92943
Chemical data
Formula C25H32N2O2
Mol. weight 392.534
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.

? IUPAC nomenclature is a systematic way of naming organic chemical compounds. ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences and alloys. ... The Anatomical Therapeutic Chemical Classification System is used for the classification of drugs. ... A section of the Anatomical Therapeutic Chemical Classification System. ... PubChem is a database of chemical molecules . ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... The molecular mass of a substance (less accurately called molecular weight and abbreviated as MW) is the mass of one molecule of that substance, relative to the unified atomic mass unit u (equal to 1/12 the mass of one atom of carbon-12). ... In pharmacology, bioavailability is used to describe the fraction of an administered dose of medication that reaches the systemic circulation, one of the principal pharmacokinetic properties of drugs. ... It has been suggested that this article or section be merged with cell metabolism and carbohydrates. ... The elimination half-life of a drug (or any xenobiotic agent) refers to the timecourse necessary for the quantity of the xenobiotic agent in the body (or plasma concentration) to be reduced to half of its original level through various elimination processes. ... Excretion is the biological process by which an organism chemically separates waste products from its body. ... The pregnancy category of a pharmaceutical agent is an assessment of the risk of fetal injury due to the pharmaceutical, if it is used as directed by the mother during pregnancy. ...

Legal status

Schedule I(US) The regulation of therapeutic goods, that is drugs and therapeutic devices, varies by jurisdiction. ... The Controlled Substances Act (CSA) was enacted into law by the Congress of the United States as Title II of the Comprehensive Drug Abuse Prevention and Control Act of 1970 (21 USC 801 et sequitur). ... United States is the current Good Article Collaboration of the week! Please help to improve this article to the highest of standards. ...

Routes  ?

Dextromoramide (Palfium®, Palphium®, Jetrium®, Dimorlin®) is the right-handed isomer of the moramide molecule. The left handed molecule is called levomoramide, and a mixture of the two is called racemoramide. Its full chemical name is (+)-1-(3-Methyl-4-morpholino-2,2-diphenylbutyryl)pyrrolidine, and its molecular formula: C25H32N2O2, with an atomic weight of ~392.5. It is one of a group of molecules known as substituted α,α-Diphenyl-γ-Amino-Butyramides. In pharmacology and toxicology, a route of administration is the path by which a drug, fluid, poison or other substance is brought into contact with the body 1. ... In chemistry, isomers are molecules with the same chemical formula and often with the same kinds of bonds between atoms, but in which the atoms are arranged differently. ...

It is a powerful opioid analgesic, and as such is subject to drug prohibition regimes, both internationally through UN treaties, and by the criminal law of individual states. An analgesic (colloquially known as a painkiller) is any member of the diverse group of drugs used to relieve pain and to achieve analgesia. ...

It was discovered and patented in 1956 by Dr Paul Janssen at Janssen Pharmaceutica, who also discovered fentanyl, another important synthetic opioid, widely used to treat pain and in combination with other drugs as an anaesthetic. It has the proprietary name Palfium, though as of mid 2004 the drug was dicontinued in the UK due to limited supplies of precursor chemicals. 1956 (MCMLVI) was a leap year starting on Sunday of the Gregorian calendar. ... Dr Paul Janssen was born in 1926, the son of a Flemish general practitioner. ... Johnson & Johnson NYSE: JNJ is an international pharmaceutical, medical devices and consumer packaged goods manufacturer founded in 1885. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...

In many countries dextromoramide is unused, for example the USA, where it is considered a Schedule 1 drug, alongside cannabis and LSD, as having no medicinal uses.

As is the case with so many drug discoveries, dextromoramide was discovered by accident during research into almost identical compounds, namely α,α-Diphenyl-γ-Dialkyamino-Butyramides, which show no analgesic activity, but are extremely active physiologically as inhibitors of gastric secretions in man.

The typical dose was 5mg four hourly for cancer pain - the drug has a short half life comparable with pethidine.

Dextromoramide was much favoured by drug abusers in Australia in the 1970s. A single case report and a review of the subject appears in the Australian Journal of Pharmacy 1980;61:641-644


  • Den Otter G, Pain control with dextromoramide (pyrrolamidolum, R 875, palfium), Ned Tijdschr Geneeskd. 1958 Aug 23;102(34):1637-41.
  • Lasagna L, De Kornfeld T, Safar P, A clinical trial of dextromoramide, (R 875, SKF D-5137), J Chronic Dis. 1958 Dec;8(6):689-93.

  Results from FactBites:
Dextromoramide - Wikipedia, the free encyclopedia (283 words)
Dextromoramide is the right-handed isomer of the moramide molecule.
In many countries dextromoramide is unused, for example the USA, where it is considered a Schedule 1 drug, alongside cannabis and LSD, as having no medicinal uses.
Dextromoramide was much favoured by drug abusers in Australia in the 1970s.
Chapter (1585 words)
Hypothetically, the administration of dextromoramide besides the methadone maintenance dose, should be able to eliminate the occurrence and persistance of opiate craving among addicts who persist in using additional heroin besides their MMT dose.
A study was conducted to establish both the pharmacokinetics of dextromoramide and the effects of dextromoramide addition besides MMT on the level and patterns of subjectively experienced opiate craving.
In four cases, a dextromoramide plasma concentration peak is simultaneous with a distinct craving trough.
  More results at FactBites »



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