Study protocol: double-blind, randomized, prospective, placebo controlled parallel group phase II study to investigate the effect of glycerol phenylbutyrate (GPB) on neurofilament light chain (NfL) levels in patients with corticobasal syndrome (CBS).

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Title: Study protocol: double-blind, randomized, prospective, placebo controlled parallel group phase II study to investigate the effect of glycerol phenylbutyrate (GPB) on neurofilament light chain (NfL) levels in patients with corticobasal syndrome (CBS).
Authors: Palleis C; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany. carla.palleis@med.uni-muenchen.de.; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany. carla.palleis@med.uni-muenchen.de.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany. carla.palleis@med.uni-muenchen.de.; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany, Marchioninistraße 15, 81377. carla.palleis@med.uni-muenchen.de., Weidinger E; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany., Maaß S; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.; Department of Neurology, TUM School of Medicine and Health, Technical University Munich, Munich, Germany., Linke M; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany., Brendel M; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.; Department of Nuclear Medicine, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany., Stöcklein S; Department of Radiology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany., Al Tawil A; Institut Für Medizinische Informationsverarbeitung, Biometrie Und Epidemiologie (IBE), LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany., Mansmann U; Institut Für Medizinische Informationsverarbeitung, Biometrie Und Epidemiologie (IBE), LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany., Teupser D; Institute of Laboratory Medicine, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany., Borst T; Pharmacy of the University Hospital Erlangen, Uniklinikum Erlangen, Erlangen, Germany., Heimke-Brinck R; Pharmacy of the University Hospital Erlangen, Uniklinikum Erlangen, Erlangen, Germany., Hemmer B; Department of Neurology, TUM School of Medicine and Health, Technical University Munich, Munich, Germany., Höglinger GU; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany., Bidner H; TUM School of Medicine and Health, Muenchner Studienzentrum (MSZ), Technical University Munich, Munich, Germany., Simons M; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.; Department of Neurology, TUM School of Medicine and Health, Technical University Munich, Munich, Germany.; Institute for Stroke and Dementia Research (ISD), LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany., Levin J; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany. johannes.levin@med.uni-muenchen.de.; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany. johannes.levin@med.uni-muenchen.de.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany. johannes.levin@med.uni-muenchen.de.
Source: Neurological research and practice [Neurol Res Pract] 2026 Jul 03; Vol. 8 (1). Date of Electronic Publication: 2026 Jul 03.
Publication Type: Journal Article
Journal Info: Publisher: BMC Country of Publication: England NLM ID: 101767802 Publication Model: Electronic Cited Medium: Internet ISSN: 2524-3489 (Electronic) Linking ISSN: 25243489 NLM ISO Abbreviation: Neurol Res Pract Subsets: PubMed not MEDLINE
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  Data: Study protocol: double-blind, randomized, prospective, placebo controlled parallel group phase II study to investigate the effect of glycerol phenylbutyrate (GPB) on neurofilament light chain (NfL) levels in patients with corticobasal syndrome (CBS).
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  Data: <searchLink fieldCode="AU" term="%22Palleis+C%22">Palleis C</searchLink>; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany. carla.palleis@med.uni-muenchen.de.; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany. carla.palleis@med.uni-muenchen.de.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany. carla.palleis@med.uni-muenchen.de.; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany, Marchioninistraße 15, 81377. carla.palleis@med.uni-muenchen.de.<br /><searchLink fieldCode="AU" term="%22Weidinger+E%22">Weidinger E</searchLink>; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Maaß+S%22">Maaß S</searchLink>; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.; Department of Neurology, TUM School of Medicine and Health, Technical University Munich, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Linke+M%22">Linke M</searchLink>; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Brendel+M%22">Brendel M</searchLink>; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.; Department of Nuclear Medicine, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Stöcklein+S%22">Stöcklein S</searchLink>; Department of Radiology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Al+Tawil+A%22">Al Tawil A</searchLink>; Institut Für Medizinische Informationsverarbeitung, Biometrie Und Epidemiologie (IBE), LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Mansmann+U%22">Mansmann U</searchLink>; Institut Für Medizinische Informationsverarbeitung, Biometrie Und Epidemiologie (IBE), LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Teupser+D%22">Teupser D</searchLink>; Institute of Laboratory Medicine, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Borst+T%22">Borst T</searchLink>; Pharmacy of the University Hospital Erlangen, Uniklinikum Erlangen, Erlangen, Germany.<br /><searchLink fieldCode="AU" term="%22Heimke-Brinck+R%22">Heimke-Brinck R</searchLink>; Pharmacy of the University Hospital Erlangen, Uniklinikum Erlangen, Erlangen, Germany.<br /><searchLink fieldCode="AU" term="%22Hemmer+B%22">Hemmer B</searchLink>; Department of Neurology, TUM School of Medicine and Health, Technical University Munich, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Höglinger+GU%22">Höglinger GU</searchLink>; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Bidner+H%22">Bidner H</searchLink>; TUM School of Medicine and Health, Muenchner Studienzentrum (MSZ), Technical University Munich, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Simons+M%22">Simons M</searchLink>; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.; Department of Neurology, TUM School of Medicine and Health, Technical University Munich, Munich, Germany.; Institute for Stroke and Dementia Research (ISD), LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany.<br /><searchLink fieldCode="AU" term="%22Levin+J%22">Levin J</searchLink>; Department of Neurology, LMU University Hospital, LMU Medizin, Ludwig-Maximilians-Universität München, Munich, Germany. johannes.levin@med.uni-muenchen.de.; German Center for Neurodegenerative Diseases (DZNE) Munich, Munich, Germany. johannes.levin@med.uni-muenchen.de.; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany. johannes.levin@med.uni-muenchen.de.
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