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J. (Jan) Groen, PhD


  • Department
  • Urology
  • Focus area
  • Overactive bladder, underactive bladder, urinary incontinence, urodynamics, sacral neuromodulation, neurogenic bladder



I am appointed as a physician at the Department of Urology of Erasmus MC since 1991. My tasks comprise patient care, education and research, all related to disorders of the lower urinary tract. Treatment of the overactive bladder syndrome, in particular by sacral neuromodulation, and urodynamic examination are important themes. Studies on these subjects have been published in international journals. I am a member of the ‘Editorial Board’ of Neurourology and Urodynamics and of the ‘Guidelines panel on Neuro-Urology’ of the European Association of Urology (EAU).

Field(s) of expertise

  • Overactive bladder.
  • Underactive bladder.
  • Urinary incontinence.
  • Urodynamics.
  • Sacral neuromodulation.
  • Neurogenic bladder.

Education and career

1984 - 1991: Study of medicine, State University of Groningen.

1996: Doctoral degree on thesis Functional modelling of voiding, Erasmus University Rotterdam.

Other positions

  • Member of several professional organisations.
  • Member of the editorial board of Neurourology and Urodynamics.
  • Member of the EAU Guidelines panel on Neuro-Urology.


Clinical trials and studies

Experience as a sub-investigator in several clinical trials and studies on overactive bladder, underactive bladder, bladder pain syndrome and nocturia.