Drs Eef Theunissen (E.L.)
Recent publications
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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, Article 104433. Advance online publication. https://doi.org/10.1038/s41386-025-02082-7More information about this publication
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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. (2024). An exploratory study of the safety profile and neurocognitive function after single doses of mitragynine in humans. Psychopharmacology. Advance online publication. https://doi.org/10.1007/s00213-024-06734-2More information about this publication
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Ramaekers, J. G., Reckweg, J. T., Mason, N. L., Kuypers, K. P. C., Toennes, S. W., & Theunissen, E. L. (2024). Safety and cognitive pharmacodynamics following dose escalations with 3-methylmethcathinone (3-MMC): a first in human, designer drug study. Neuropsychopharmacology. Advance online publication. https://doi.org/10.1038/s41386-024-02042-7More information about this publication
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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.2024.100166More information about this publication
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Hutten, N. R. P. W., Quaedflieg, C. W. E. M., Mason, N. L., Theunissen, E. L., Liechti, M. E., Duthaler, U., Kuypers, K. P. C., Bonnelle, V., Feilding, A., & Ramaekers, J. G. (2024). Inter-individual variability in neural response to low doses of LSD. Translational Psychiatry, 14(1), Article 288. https://doi.org/10.1038/s41398-024-03013-8More information about this publication
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Vinckenbosch, F. R. J., Jimenez, D. D., Helmerhorst, H., Dahan, A., Aarts, L., Bikker, F., Theunissen, E., & Ramaekers, J. G. (2024). The prevalence, risks, and detection of driving under the influence of nitrous oxide. Wiley Interdisciplinary Reviews: Forensic Science, 6(2), Article e1508. https://doi.org/10.1002/wfs2.1508More information about this publication
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Vinckenbosch, F., Theunissen, E., Stelling, A., Goldenbeld, C., & Ramaekers, J. G. (2024). Recreational Nitrous Oxide Dosing and Administration and Its Use in Traffic: An Online Survey. Journal of Drug Issues. Advance online publication. https://doi.org/10.1177/00220426241233193More information about this publication
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Prevete, E., Catalani, V., Singh, D., Kuypers, K. P. C., Theunissen, E. L., Townshend, H. D., Banayoti, H., Ramaekers, J. G., Pasquini, M., & Corazza, O. (2024). A Preliminary Inventory of Kratom (Mitragyna Speciosa) Products and Vendors on the Darknet and Cryptomarkets. Journal of Psychoactive Drugs, 56(4), 485-495. https://doi.org/10.1080/02791072.2023.2242361More information about this publication
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Theunissen, E. (2024). Phase 1 Clinical Trials in Psychopharmacology. In Modern CNS Drug Discovery: Novel Therapeutics for Psychiatric and Neurological Diseases: from Target Identification to Regulatory Approval (2 ed., pp. 385-393). Springer. https://doi.org/10.1007/978-3-031-61992-2_24More information about this publication
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Mallaroni, P., Mason, N. L., Reckweg, J. T., Paci, R., Ritscher, S., Toennes, S. W., Theunissen, E. L., Kuypers, K. P. C., & Ramaekers, J. G. (2023). Assessment of the Acute Effects of 2C-B vs. Psilocybin on Subjective Experience, Mood, and Cognition. Clinical Pharmacology & Therapeutics, 114(2), 423-433. https://doi.org/10.1002/cpt.2958More information about this publication