Dr Jan Ramaekers (J.G.)

Totomanova, I., Haijen, E. C. H. M., Hurks, P. P. M., Ramaekers, J. G., & Kuypers, K. P. C. (2025). Between enhancement and risk: A critical review of psychedelic microdosing. Current Opinion in Psychology, 66, Article 102129. https://doi.org/10.1016/j.copsyc.2025.102129

Hall, W., & Ramaekers, J. G. (2025). Challenges in Responding to Cannabis-Impaired Motor Vehicle Drivers. Clinical Chemistry, Article hvaf126. https://doi.org/10.1093/clinchem/hvaf126

Ramaekers, J. G., Reckweg, J. T., Mason, N. L., Kuypers, K. P. C., Toennes, S. W., & Theunissen, E. L. (2025). Low to moderate doses of 3-methylmethcathinone (3-MMC) produce analgesic effects in healthy volunteers: a proof of principle study with a designer drug. Psychopharmacology, 242(10), 2293-2301. https://doi.org/10.1007/s00213-025-06798-8

Vinckenbosch, F., Theunissen, E., Stelling, A., Goldenbeld, C., & Ramaekers, J. G. (2025). Recreational Nitrous Oxide Dosing and Administration and Its Use in Traffic: An Online Survey. Journal of Drug Issues, 55(4), 495-511. https://doi.org/10.1177/00220426241233193

Uthaug, M. V., Allocca, G., Havenith, M., Szabo, A., Rosas, F., & Ramaekers, J. G. (2025). Exploring the importance of bodyset for the psychedelic experience and beyond. Journal of Psychedelic Studies, 9(3), 294-309. https://doi.org/10.1556/2054.2025.00418

Cavarra, M., Hutten, N. R. P. W., Schepers, J., Mason, N. L., Theunissen, E. L., Liechti, M. E., Kuypers, K. P. C., Bonnelle, V., Feilding, A., & Ramaekers, J. G. (2025). A randomised placebo-controlled study of the effects of lysergic acid diethylamide microdosing (15 µg) on pain perception in healthy volunteers. British Journal of Pain, (6). Advance online publication. https://doi.org/10.1177/20494637251371626

Pronovost-Morgan, C., Greenway, K. T., Roseman, L., Williams, K., Wells, H., Tzarfaty, K., Timmermann, C., Lévesque, J. T., Tadwalkar, S., Szigeti, B., Shutte, T., Schneider, L., Sanders, J. W., Ruffell, S., Rucker, J., Roullier, I., Rochester, J., Risby, S., Richards, W., ... ReSPCT Experts (2025). An international Delphi consensus for reporting of setting in psychedelic clinical trials. Nature Medicine, 31(7), 2186-2195. https://doi.org/10.1038/s41591-025-03685-9

Reckweg, J. T., Mason, N. L., Theunissen, E. L., Svendsen, C. B., Terwey, T. H., & Ramaekers, J. G. (2025). Evaluation of the peak experience scale as a rapid assessment tool for the strength of a psychoactive experience with 5-MeO-DMT. Frontiers in Psychology, 16, Article 1543640. https://doi.org/10.3389/fpsyg.2025.1543640

Prevete, E., Theunissen, E. L., Kuypers, K. P. C., Paci, R., Reckweg, J. T., Cavarra, M., Toennes, S. W., Ritscher, S., Bersani, G., Corazza, O., Pasquini, M., & Ramaekers, J. G. (2025). An exploratory study of the safety profile and neurocognitive function after single doses of mitragynine in humans. Psychopharmacology, 242(6), 1363-1376. https://doi.org/10.1007/s00213-024-06734-2

Ramaekers, J. G., Reckweg, J. T., Mason, N. L., Kuypers, K. P. C., Toennes, S. W., & Theunissen, E. L. (2025). Safety and cognitive pharmacodynamics following dose escalations with 3-methylmethcathinone (3-MMC): a first in human, designer drug study. Neuropsychopharmacology, 50(7), 1084-1092. https://doi.org/10.1038/s41386-024-02042-7