N.L. Mason

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

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. Advance online publication. https://doi.org/10.1177/20494637251371626

Rossi, G. N., Khubsing, R. S. I., Haijen, E. C. H. M., Mason, N. L., van Leerdam, M., dos Santos, R. G., Hallak, J. E. C., & Kuypers, K. P. C. (2025). Comparative effects of ayahuasca and breathwork on self-reported cognitive flexibility, emotion regulation, positive affect, and sleep quality. Journal of Psychedelic Studies. Advance online publication. https://doi.org/10.1556/2054.2025.00440

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

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

Madrid-Gambin, F., Haro, N., Mason, N. L., Mallaroni, P., Theunissen, E. L., Toennes, S. W., Pozo, O. J., & Ramaekers, J. G. (2025). Metabolomic profiling of cannabis use and cannabis intoxication in humans. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 50(6), 920-927. Article 104433. https://doi.org/10.1038/s41386-025-02082-7

Timmermann, C., Sanders, J. W., Reydellet, D., Barba, T., Luan, L. X., Angona, Ó. S., Ona, G., Allocca, G., Smith, C. H., Daily, Z. G., Mason, N. L., Kloft-Heller, L., Kuchar, M., Janeckova, L., Palenicek, T., Erritzoe, D., Ramaekers, J. G., Carhart-Harris, R. L., & Uthaug, M. V. (2025). Exploring 5-MeO-DMT as a pharmacological model for deconstructed consciousness. Neuroscience of Consciousness, 2025(1), Article niaf007. https://doi.org/10.1093/nc/niaf007

Doss, M. K., Kloft, L., Mason, N. L., Mallaroni, P., Reckweg, J. T., van Oorsouw, K., Tupper, N., Otgaar, H., & Ramaekers, J. G. (2025). Ayahuasca enhances the formation of hippocampal-dependent episodic memory without impacting false memory susceptibility in experienced ayahuasca users: An observational study. Journal of Psychopharmacology, 39(4), 339-349. https://doi.org/10.1177/02698811241301216

Ramaekers, J. G., Reckweg, J. T., & Mason, N. L. (2025). Benefits and Challenges of Ultra-Fast, Short-Acting Psychedelics in the Treatment of Depression. American Journal of Psychiatry, 182(1), 33-46. https://doi.org/10.1176/appi.ajp.20230890

Prevete, E., Mason, N. L., Kuypers, K. P. C., Theunissen, E. L., Mallaroni, P., Pasquini, M., & Ramaekers, J. G. (2025). Use patterns of classic, novel, and herbal opioids. Emerging Trends in Drugs, Addictions, and Health, 5, Article 100166. Advance online publication. https://doi.org/10.1016/j.etdah.2024.100166