Cannabinoid levels description in a cohort of patients with chronic and neuropathic pain treated with Cannabis decoction: A possible role of TDM

The phytocomplex of Cannabis is made up of approximately 500 substances: terpeno-phenols metabolites, including Δ-9-tetrahydrocannabinol and cannabidiol, exhibit pharmacological activity. Medical Cannabis has several pharmacological potential applications, in particular in the management of chronic...

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Veröffentlicht in:Biomedicine & pharmacotherapy 2024-06, Vol.175, p.116686, Article 116686
Hauptverfasser: Manca, Alessandra, Valz, Cristina, Chiara, Francesco, Mula, Jacopo, Palermiti, Alice, Billi, Martina, Antonucci, Miriam, Nicolò, Amedeo De, Luxardo, Nicola, Imperiale, Daniele, Vischia, Flavio, De Cori, David, Cusato, Jessica, D’Avolio, Antonio
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Sprache:eng
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Zusammenfassung:The phytocomplex of Cannabis is made up of approximately 500 substances: terpeno-phenols metabolites, including Δ-9-tetrahydrocannabinol and cannabidiol, exhibit pharmacological activity. Medical Cannabis has several pharmacological potential applications, in particular in the management of chronic and neuropathic pain. In the literature, a few data are available concerning cannabis pharmacokinetics, efficacy and safety. Thus, aim of the present study was the evaluation of cannabinoid pharmacokinetics in a cohort of patients, with chronic and neuropathic pain, treated with inhaled medical cannabis and decoction, as a galenic preparation. In this study, 67 patients were enrolled. Dried flower tops with different THC and CBD concentrations were used: Bedrocan® medical cannabis with THC level standardized at 19% and with a CBD level below 1%, Bediol® medical cannabis with THC and CBD level standardized at similar concentration of 6.5% and 8%, respectively. Cannabis was administered as a decoction in 47 patients and inhaled in 11 patients. The blood withdrawn was obtained before the new dose administration at the steady state and metabolites plasma concentrations were measured with an UHPLC-MS/MS method. Statistically significant differences were found in cannabinoids plasma exposure between inhaled and oral administration of medical cannabis, between male and female and cigarette smokers. For the first time, differences in cannabinoid metabolites exposures between different galenic formulations were suggested in patients. Therapeutic drug monitoring could be useful to allow for dose adjustment, but further studies in larger cohorts of patients are required in order to confirm these data. [Display omitted] •Cannabis shows different pharmacological applications, in particular in the management of pain.•Cannabinoids pharmacokinetics description in patients with chronic and neuropathic pain.•Differences in cannabinoids plasma exposure between route of administration.
ISSN:0753-3322
1950-6007
1950-6007
DOI:10.1016/j.biopha.2024.116686