Assessing the influence of CYP2C9 and CYP2C19 genotypes on the metabolism of CBD-cannabis after controlled single and repetitive consumption

Abstract Supplementary Information: The online version contains supplementary material available at 10.1007/s00414-025-03708-7. Article type: Research Article Keywords: Pharmacogenetic, CYP2C9, CYP2C19, Δ9-tetrahydrocannabinol (THC), Cannabidiol (CBD), Cannabinoid metabolism Authors: Janine Schulte, Leila Potzel, Priska Frei, Isabell Seibert, Kathrin Gerlach, Katja Mercer‑Chalmers‑Bender, Eva Scheurer, Henriette E. Meyer zu Schwabedissen, Iris Schulz ⚬ Affiliations: https://ror.org/02s6k3f65grid.6612.30000 0004 1937 0642Department of Biomedical Engineering, Institute of Forensic Medicine, University of Basel, Pestalozzistrasse 22, Basel, 4056 Switzerland; https://ror.org/02s6k3f65grid.6612.30000 0004 1937 0642Department of Pharmaceutical Sciences, Biopharmacy, University of Basel,