Home > ACMD advice on O-desmethyltramadol.

Advisory Council on the Misuse of Drugs. [Home Office UK] (2012) ACMD advice on O-desmethyltramadol. London: Advisory Council on the Misuse of Drugs. 2 p.

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This short advice letter is from the ACMD to the UK Home Secretary giving advice on O-desmethyltramadol.

O-desmethyltramadol (2-((dimethylamino)methyl)-1-(3-hydroxyphenyl)cyclohexanol) is the major metabolite of tramadol ((±)-trans-2-((dimethylamino)methyl)-1-(3-methoxyphenyl)cyclohexanol) and is a significantly more potent opiate than its parent drug.

The compound came to light as a material of concern during the ACMD‟s review of tramadol. The ACMD has sufficient concerns about the harmful properties of O-desmethyltramadol to submit advice separately and in advance of that on tramadol (scheduled for December 2012) so that early Ministerial consideration of the metabolite can be made.

O-desmethyltramadol is being offered for sale as a „legal high‟ and has been identified as an undeclared ingredient of a „legal high‟ product called „Krypton‟. „Krypton‟ is sold as an herbal material, claimed to consist of Kratom leaves (Mitragyna speciosa) from a Southeast Asian tree which, when chewed, produce narcotic and opiate-like effects. The packaging of „Krypton‟ is very similar to that of „Spice‟ (an herbal material containing synthetic cannabinoids), that is, brightly printed foil sachets containing a few grams of ground herbal material of unknown origin and authenticity. As with „Spice‟, the apparently natural herbal product has been found to be „spiked‟, in this case with synthetic O-desmethyltramadol, to produce additional psychoactive effects1.


Item Type:Evidence resource
Publication Type:Other
Drug Type:Opioid
Intervention Type:AOD disorder harm reduction, AOD disorder
Source:Home Office UK
Date:2012
Pages:2 p.
Publisher:Advisory Council on the Misuse of Drugs
Corporate Creators:Advisory Council on the Misuse of Drugs
Place of Publication:London
EndNote:View
Accession Number:HRB (Electronic Only)
Related URLs:
Subjects:B Drugs and alcohol substances > New (novel) psychoactive substances
VA Geographic area > Europe > United Kingdom
B Drugs and alcohol substances > Opioids (opiates)
L Social psychology and related concepts > Legal availability or accessibility

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