Abstract
In preparation for a trial on co-prescription of inhalable heroin and methadone, two methods for inhalation of heroin/caffeine tablets were compared: the commonly used method of 'chasing the dragon' and a standardised procedure for inhalation of volatilised heroin, using a heating device. Five male addicts inhaled a tablet of smokable heroin daily for 5 days, alternating the inhalation method. Plasma concentrations of heroin, 6-acetylmorphine, morphine and morphine-3- and -6-glucuronide were determined using a liquid chromatography method with tandem mass spectrometric detection. The exposure to heroin and its metabolites (expressed as areas under the concentration-time curve) was significantly lower after smoking via the heating device than after 'chasing the dragon': heroin 80% and 6-acetylmorphine 73% lower (p<0.05). Maximal concentrations of heroin and 6-acetylmorphine were also 80% and 70% lower (p<0.05) after using the heating device. 'Chasing the dragon' is a more efficient inhalation method than inhalation via the heating device.
| Original language | English |
|---|---|
| Pages (from-to) | 263-269 |
| Number of pages | 7 |
| Journal | European Neuropsychopharmacology |
| Volume | 15 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - May 2005 |
| Externally published | Yes |
Keywords
- Chasing the dragon
- Heroin
- Inhalation
- Pharmacokinetics
- Smoking
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