Journal of Forensic Toxicology & Pharmacology2325-9841

Research Article, J Forensic Toxicol Pharmacol Vol: 2 Issue: 2

Disposition and enterohepatic circulation of intravenously administered 11-nor-9-carboxy-Δ9-tetrahydrocannabinol in serum and urine in healthy human subjects

Elisabeth Böhnke1, Lisa Dietz2, Tilman Heinrich1, Rolf Aderjan2, Gisela Skopp2, Gerd Mikus1*
1Department of Clinical Pharmacology and Pharmacoepidemiology, University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
2Institute of Legal and Traffic Medicine, University Hospital, Voss-Str. 2, 69115 Heidelberg, Germany
Corresponding author : Gerd Mikus
Department of Clinical Pharmacology and Pharmacoepidemiology, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
Tel: +4962215639197; Fax: +496221564642
E-mail: [email protected]
Received: June 14, 2013 Accepted: July 27, 2013 Published: August 03, 2013
Citation: Böhnke E, Dietz L, Heinrich T, Aderjan R, Skopp G, et al. (2013) Disposition and Enterohepatic Circulation of Intravenously Administered 11-Nor-9-Carboxy-Δ9-Tetrahydrocannabinol in Serum and Urine in Healthy Human Subjects. J Forensic Toxicol Pharmacol 2:2. doi:10.4172/2325-9841.1000107

Abstract

Disposition and Enterohepatic Circulation of Intravenously Administered 11-Nor-9-Carboxy-Δ9-Tetrahydrocannabinol in Serum and Urine in Healthy Human Subjects

Verification of abstinence from Cannabis use is the second most frequently encountered analytical task beside alcohol misuse in driving cases, conditions of probation and patients during maintenance treatment. In both blood and urine, detection of 11-nor-9-carboxy-Δ9-tetrahydro-cannabinol (THC-COOH) is most appropriate considering its long half-life. In addition, THC-COOH has been hypothesized to be a marker of the extent of Cannabis use. Nevertheless, there is only limited knowledge on the direct disposition of THC-COOH in humans which is formed from Δ9-tetrahydrocannabinol (THC) by oxidative breakdown.

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