Premature Discontinuation of Prospective Clinical Studies Approved by a Research Ethics Committee – A Comparison of Randomised and Non-Randomised Studies

• Anette Blümle ,

  Contributed equally to this work with: Anette Blümle, Stefan Schandelmaier

  * E-mail: bluemle@cochrane.de

  Affiliation Cochrane Germany, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany

  http://orcid.org/0000-0003-2877-1029

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• Stefan Schandelmaier ,

  Contributed equally to this work with: Anette Blümle, Stefan Schandelmaier

  Affiliations Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, Switzerland, Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada

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• Patrick Oeller,

  Affiliation Cochrane Germany, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany

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• Benjamin Kasenda,

  Affiliation Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, Switzerland

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• Matthias Briel,

  Affiliations Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, Switzerland, Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada

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• Erik von Elm,

  Affiliation Cochrane Switzerland, Institute of Social and Preventive Medicine (IUMSP), Lausanne University Hospital, Lausanne, Switzerland

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• on behalf of the DISCO study group

  ¶Membership of the DICSO study group is listed in the Acknowledgments.

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