The following investigators and centers are involved in the CLOZIN study
CI = Coordinating Investigator
PI = Principal Investigator

Central Study Team:

Dr. Jurjen Luykx, PI, The Netherlands
Cynthia Pfeifer, Msc., CI, The Netherlands


  • Dr. Jurjen Luykx, PI of UMC Utrecht
  • Dr. Dan Cohen, PI of GGZ Noord Holland Noord (referral center)
  • Dr. Jan Bogers, PI of GGZ Rivierduinen (referral center)
  • Dr. Tonnie Staring, PI of Altrecht (referral center)
  • Dr. Maarten Bak, PI of Mondriaan (referral center)
  • Dr. Jasper van Zantvoord, PI of AMC
  • Dr. Koen Grootens, PI of Reinier van Arkel


  • Dr. Alkomiet Hasan, PI of Ludwig Maximilians Universität München
  • Dr. Schreiter & Dr. Gutwinski, PI’s of Charité Universitätsmedizin in Berlin


  • Dr. Monika Edlinger, PI of Medical University Innsbruck


  • Prof. Jari Tiihonen, PI of Niuvanniemi Hospital Kuopio


  • Prof. Cavallaro, PI of Ospedale San Raffaele Milan


  • Prof. Mueller, PI of Center of Addiction and Mental Health Toronto

New centers

We are in contact with more sites. Not all sites are already up and running. If you are interested to participate with your hospital/center, please send us an email!