Dr Jan Ramaekers (J.G.)

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

Ramaekers, J. G. (2025). Less is more? Antidepressant effects of short-acting psychedelics. Neuropsychopharmacology, 50(6), 875-876. https://doi.org/10.1038/s41386-025-02103-5

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. Advance online publication. https://doi.org/10.1007/s00213-025-06798-8

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

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. https://doi.org/10.1556/2054.2025.00418

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

Totomanova, I., Haijen, E. C. H. M., Hurks, P. P. M., Ramaekers, J. G., & Kuypers, K. P. C. (2025). Potential therapeutic effects of psychedelics in small doses: Is there a role for microdosing in psychiatry? International Review of Neurobiology. Advance online publication. https://doi.org/10.1016/bs.irn.2025.03.002

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

Jimenez, D. D., Vinckenbosch, F., Busink, J., van Zijl, J., Helmerhorst, H. J. F., van Tuin, D., Dahan, A., Ramaekers, J. G., van der Schans, M. J., & Bikker, F. J. (2025). Ex vivo detection of recreational consumed nitrous oxide in exhaled breath. Scientific Reports, 15(1), Article 2901. https://doi.org/10.1038/s41598-025-86666-9