Personal profile
Specialisation
Professor of geriatric pharmacotherapy
geriatrician
Research interests
My research is focussing on effects of polypharmacy in older patients and how to manage polypharmacy. Next to this, I have a specific interest in psychopharmacology and especially the effects of psychotropics in patients with dementia.
Specialisation
polypharmacy, psychopharmacology, geriatrics, dementia
External positions
Geriatrician, clinical pharmacologist, Department of Geriatrics, Jeroen Bosch Ziekenhuis, 's-Hertogenbosch.
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Collaborations and top research areas from the last five years
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Statistical analysis plan of the study titled "A deprescribing programme aimed to optimize blood glucose-lowering medication in older people with type 2 diabetes mellitus - the OMED2 study: a randomized controlled trial"
Andriessen, C., Harms, P. P., Blom, M. T., de Boer, A. W., de Wit, G. A., Herings, R., van Marum, R. J., Hugtenburg, J. G., van Raalte, D., van Bloemendaal, L., Nijpels, G., Vos, R. C., Denig, P. & Elders, P. J. M., Dec 2026, In: Trials. 27, 1, 171.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Barriers and enablers of elderly care specialists towards deprescribing practices in the nursing homes: a focus group study
Malek Makan, A., Lee, M. C., van Hein, H. & van Marum, R., 1 Dec 2025, In: BMC health services research. 25, 1, 1466.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile18 Downloads (Pure) -
Failure to reintroduce home medication in critically ill patients
Polderman, F. N., Derijks, H. J., Sikma, M. A. & van Marum, R. J., 1 Aug 2025, In: Journal of critical care. 88, 155051.Research output: Contribution to journal › Comment/Letter to the editor › Academic
Open AccessFile27 Downloads (Pure) -
Feasibility of implementing an intervention in general practice for deprescribing of glucose-lowering medication in overtreated elderly
Andriessen, C., Blom, M. T., van Hoek, B. A. C. E., de Boer, A. W., Denig, P., Herings, R., de Rooij-Peek, A., van Marum, R. J., Hugtenburg, J. G., van Raalte, D., van Bloemendaal, L., Nijpels, G., Westerman, M. J., Vos, R. C. & Elders, P. J. M., 1 Oct 2025, In: Family practice. 42, 5, cmaf064.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile28 Downloads (Pure) -
Head-up tilt testing in older syncope patients: a systematic review
de Ruiter, S. C., van Marum, R. J., Ruiter, J. H., Hemels, M. E. W., de Groot, J. R. & Jansen, R. W. M. M., 1 Apr 2025, In: Age and ageing. 54, 4, afaf086.Research output: Contribution to journal › Review article › Academic › peer-review
Open AccessFile23 Downloads (Pure)
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European Medicines Agency (External organisation)
van Marum, R. (Member)
2022 → …Activity: Membership › Membership of committee › Academic
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European Geriatric Medicine Society (EuGMS) (External organisation)
van Marum, R. (Chair)
2022 → …Activity: Membership › Membership of board › Academic
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Netherlands Organisation for Health Research and Development ZonMw (External organisation)
van Marum, R. (Member)
2021 → …Activity: Membership › Membership of committee › Academic
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ZonMw - The Netherlands Organisation for Health Research and Development (External organisation)
van Marum, R. (Member)
2021 → …Activity: Membership › Membership of committee › Academic
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Ministerie van VWS (External organisation)
van Marum, R. (Member)
2020 → …Activity: Membership › Membership of board › Academic