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About us Practical matters How to find us dr. K.J. (Klaas) Wardenaar

dr. K.J. (Klaas) Wardenaar

Assistant Professor

Faculty of Behavioural and Social Sciences

Telephone:

+31 50 36 36566

E-mail:

k.j.wardenaar rug.nl

ORCID Research Portal

Publications

Association of CYP2D6 and CYP2C19 metabolizer status with switching and discontinuing antidepressant drugs: an exploratory study

Brouwer, J. M. J. L., Wardenaar, K. J., Nolte, I. M., Liemburg, E. J., Bet, P. M., Snieder, H., Mulder, H., Cath, D. C. & Penninx, B. W. J. H., 27-May-2024, In: BMC Psychiatry. 24, 14 p., 394.

Research output: Contribution to journal › Article › Academic › peer-review

Effects of right prefrontal theta-burst transcranial magnetic stimulation or transcranial direct current stimulation on apathy in patients with schizophrenia: A multicenter RCT

Kos, C., Bais, L., Klaasen, N., Opmeer, E., Liemburg, E., Wardenaar, K. J., van Tol, M. J., Knegtering, H. & Aleman, A., Mar-2024, In: Psychiatry Research. 333, 8 p., 115743.

Research output: Contribution to journal › Article › Academic › peer-review

Explanatory and modifying factors of the association between sex and depression onset during adolescence: An exploratory study

Wardenaar, K. J., Jörg, F. & Oldehinkel, A. J., 1-Jun-2024, In: Journal of Affective Disorders. 354, p. 424-433 10 p.

Research output: Contribution to journal › Article › Academic › peer-review

High persistence and low treatment rates of metabolic syndrome in patients with mood and anxiety disorders: A naturalistic follow-up study

Brouwer, J. M. J. L., Wardenaar, K. J., Liemburg, E. J., Doornbos, B., Mulder, H. & Cath, D. C., 1-Jun-2024, In: Journal of Affective Disorders. 354, p. 451-462 12 p.

Research output: Contribution to journal › Article › Academic › peer-review

Identifying factors strongest associated with clinical, societal and personal recovery in people with psychosis with a long duration of illness

Castelein, S., PHAMOUS investigators, Visser, E., Brilman, M. F., Wardenaar, K. J. & Bruins, J., Jan-2025, In: Comprehensive Psychiatry. 136, 7 p., 152540.

Research output: Contribution to journal › Article › Academic › peer-review

The Holland Sleep Disorders Questionnaire: Factorial structure and measurement invariance in a psychiatric sample relative to the general population

Mijnster, T., Wardenaar, K. J., Boersma, G. J., van Veen, M. M., Cath, D., Kerkhof, G. A. & Lancel, M., Dec-2024, In: International Journal of Methods in Psychiatric Research. 33, 4, 12 p., e70004.

Research output: Contribution to journal › Article › Academic › peer-review

A blended module (STAIRS) to promote functional and personal recovery in patients with a major depressive disorder in remission: study protocol of a concurrent mixed methods randomized controlled trial

Wedema, D., Wardenaar, K. J., Alma, M. A., van Asselt, A. D. I., Korevaar, E. L. & Schoevers, R. A., 7-Oct-2023, In: BMC Psychiatry. 23, 1, 727.

Research output: Contribution to journal › Article › Academic › peer-review

Concentration gradients of monoamines, their precursors and metabolites in serial lumbar cerebrospinal fluid of neurologically healthy patients determined with a novel LC–MS/MS technique

Tigchelaar, C., Muller, W. D., Atmosoerodjo, S. D., Wardenaar, K. J., Kema, I. P., Absalom, A. R. & van Faassen, M., 13-Feb-2023, In: Fluids and Barriers of the CNS. 20, 1, 12 p., 13.

Research output: Contribution to journal › Article › Academic › peer-review

Increased affective reactivity among depressed individuals can be explained by floor effects: An experience sampling study

von Klipstein, L., Servaas, M. N., Lamers, F., Schoevers, R. A., Wardenaar, K. J. & Riese, H., 1-Aug-2023, In: Journal of Affective Disorders. 334, p. 370-381 12 p.

Research output: Contribution to journal › Article › Academic › peer-review

Relating stability of individual dynamical networks to change in psychopathology

van der Tuin, S., Hoekstra, R. H. A., Booij, S. H., Oldehinkel, A. J., Wardenaar, K. J., van den Berg, D., Borsboom, D. & Wigman, J. T. W., 9-Nov-2023, In: PLoS ONE. 18, 11, 14 p., e0293200.

Research output: Contribution to journal › Article › Academic › peer-review

All (115) publications

Press/media

Blog 'Genderverschillen in depressie'

Oldehinkel, T., Wardenaar, K. & Jörg, F.

04/03/2022

Press/Media: Public Engagement Activities › Professional

What we learned in 2018: The individual patient get's more attention

Jeronimus, B., de Jonge, P., Bos, E., Snippe, E., Wardenaar, K., aan het Rot, M., Wigman, J., Blaauw, F., Emerencia, A. C. & Wichers, M.

21/12/2018

Press/Media: Public Engagement Activities › Popular

All (2) press/media

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