Pharmacokinetics and subjective effects of a novel oral LSD formulation in healthy subjects Friederike Holze, Urs Duthaler, Patrick Vizeli, Felix Müller, Stefan Borgwardt, Matthias E. Liechti British Journal of Clinical Pharmacology, March 2019 Doi : 10.1111/bcp.13918   Aims : The aim of the present study was to characterize the pharmacokinetics and exposure–subjective response relationship of a novel oral solution of lysergic acid diethylamide (LSD) that was developed for clinical use in research and patients. Method : LSD (100 μg) was administered in 27 healthy subjects using a placebocontrolled, double‐blind, cross‐over design. Plasma levels of LSD, nor‐LSD, and 2‐ oxo‐3‐hydroxy‐LSD (O‐H‐LSD) and subjective drug effects were assessed [...]