Document is current

Article History

Received: 25 May 2023

Accepted: 16 August 2023

First Online: 31 August 2023

Competing interests

: H.R.M. reports paid consultancy from Roche. Research Grants from Parkinson’s UK, Cure Parkinson’s Trust, PSP Association, CBD Solutions, Drake Foundation, Medical Research Council (MRC), Michael J. Fox Foundation. Dr Morris is a co-applicant on a patent application related to C9ORF72 - Method for diagnosing a neurodegenerative disease (PCT/GB2012/052140). D.G.G. has received grants from Michael’s Movers, the Neurosciences Foundation, and Parkinson’s UK, and honoraria from AbbVie, BIAL Pharma, Britannia Pharmaceuticals, GE Healthcare, and consultancy fees from Acorda Therapeutics and the Glasgow Memory Clinic. M.T.M.H. received funding/grant support from Parkinson’s UK, Oxford NIHR BRC, University of Oxford, CPT, Lab10X, NIHR, Michael J. Fox Foundation, H2020 European Union, GE Healthcare and the PSP Association. She also received payment for Advisory Board attendance/consultancy for Biogen, Roche, Sanofi, CuraSen Therapeutics, Evidera, Manus Neurodynamica, Lundbeck. Y.B.-S. has received grant funding from the MRC, NIHR, Parkinson’s UK, NIH, and ESRC. C.C receives salary from University Hospitals Plymouth NHS Trust and National Institute of Health and Care Research. She has received advisory, consulting or lecture fees from AbbVie, Bial, Scient, Orkyn, Abidetex, UCB, Pfizer, EverPharma, Lundbeck, Global Kinetics, Kyowa Kirin, Britannia and Medscape, and research funding from Parkinson’s UK, Edmond J Safra Foundation, National Institute of Health and Care Research and Cure Parkinson’s. J.H. is supported by the UK Dementia Research Institute, which receives its funding from DRI Ltd, funded by the UK Medical Research Council, Alzheimer’s Society, and Alzheimer’s Research UK. He is also supported by the MRC, Wellcome Trust, Dolby Family Fund, National Institute for Health Research University, College London Hospitals Biomedical Research Centre. All other authors report no competing interests. M.A.L. received fees for advising on a secondary analysis of an RCT sponsored by North Bristol NHS trust that studied off-state Dyskinesia.