Comparison of cannabinoid concentrations in oral fluid and ...

[Pages:19]Anal Bioanal Chem (2013) 405:9791?9803 DOI 10.1007/s00216-013-7412-1

RESEARCH PAPER

Comparison of cannabinoid concentrations in oral fluid and whole blood between occasional and regular cannabis smokers prior to and after smoking a cannabis joint

Marie Fabritius & Haithem Chtioui & Giovanni Battistella & Jean-Marie Annoni & Kim Dao & Bernard Favrat & Eleonora Fornari & Estelle Lauer & Philippe Maeder & Christian Giroud

Received: 18 July 2013 / Revised: 26 September 2013 / Accepted: 2 October 2013 / Published online: 8 November 2013 # Springer-Verlag Berlin Heidelberg 2013

Abstract A cross-over controlled administration study of smoked cannabis was carried out on occasional and heavy smokers. The participants smoked a joint (11 % 9tetrahydrocannabinol (THC)) or a matching placebo on two different occasions. Whole blood (WB) and oral fluid (OF) samples were collected before and up to 3.5 h after smoking the joints. Pharmacokinetic analyses were obtained from these data. Questionnaires assessing the subjective effects were

M. Fabritius : C. Giroud (*)

UTCF (Forensic Toxicology and Chemistry Unit), CURML (University Center of Legal Medicine), Rue du Bugnon 21, 1011 Lausanne, Switzerland e-mail: christian.giroud@chuv.ch

H. Chtioui : K. Dao

Division of Clinical Pharmacology and Toxicology, Centre Hospitalier Universitaire Vaudois (CHUV), Av. de Beaumont 29, 1011 Lausanne, Switzerland

G. Battistella : E. Fornari : P. Maeder

Department of Radiology, Centre Hospitalier Universitaire Vaudois (CHUV), Rue du Bugnon 46, 1011 Lausanne, Switzerland

J. ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download