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Ingravallo F, D'Alterio A, Rossetti A, Antelmi E, Plazzi G. Disclosing the Risk Associated with Isolated REM Behavior Disorder: The Sleep Experts' Perspective. Mov Disord Clin Pract 2024; 11:488-495. [PMID: 38341655 PMCID: PMC11078490 DOI: 10.1002/mdc3.13998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 12/21/2023] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND Isolated rapid-eye-movement sleep behavior disorder (iRBD) is associated with a high risk for phenoconversion to a neurodegenerative disorder, but the optimal approach for disclosure of this risk to patients is still debated. OBJECTIVES The aim of this study was to explore views and experiences of iRBD experts regarding risk disclosure. METHODS In this qualitative study, semi-structured interviews with sleep experts caring for patients with iRBD were analyzed through a conventional content analysis approach. RESULTS We interviewed 22 iRBD experts (eight female, average age of 51.8 years) from 18 Italian sleep centers; 21/22 regularly disclosed the risks associated with iRBD, usually after the video-polysomnography, and 8/22 regularly mentioned phenoconversion rates. Content analysis allowed us to identify three main themes. First, sleep experts reported several points in favor of risk disclosure, especially related to the principle of beneficence, but some highlighted the need for specific learning on the topic. Second, experts favored a patient-tailored disclosure that should not upset the patient unnecessarily, since phenoconversion is uncertain. Third, risk disclosure was seen by participants as a relational task that should be carried out in person in the context of a trusting patient-physician relationship, while they had contrasting views regarding patients' previous knowledge. CONCLUSIONS Sleep experts generally preferred a tailored and reassuring approach to risk disclosure within a framework of relational autonomy. The results of this study indicate the need for specific education, training, and recommendations concerning risk disclosure that should also include patients' and families' preferences.
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Affiliation(s)
- Francesca Ingravallo
- Department of Medical and Surgical Sciences (DIMEC)University of BolognaBolognaItaly
| | - Alessandra D'Alterio
- Department of Medical and Surgical Sciences (DIMEC)University of BolognaBolognaItaly
| | - Andrea Rossetti
- Department of Medical and Surgical Sciences (DIMEC)University of BolognaBolognaItaly
| | - Elena Antelmi
- Department of Engineering and Medicine of Innovation (DIMI)University of VeronaVeronaItaly
| | - Giuseppe Plazzi
- Department of Biomedical, Metabolic and Neural SciencesUniversity of Modena and Reggio EmiliaModenaItaly
- IRCCS Istituto delle Scienze Neurologiche di BolognaBolognaItaly
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Pérez‐Carbonell L, Simonet C, Chohan H, Gill A, Leschziner G, Schrag A, Noyce AJ. The Views of Patients with Isolated Rapid Eye Movement Sleep Behavior Disorder on Risk Disclosure. Mov Disord 2023; 38:1089-1093. [PMID: 37046409 PMCID: PMC10947281 DOI: 10.1002/mds.29403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/20/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
BACKGROUND Isolated rapid eye movement sleep behavior disorder (iRBD) is associated with an increased risk of Parkinson's disease and other synucleinopathies. There is no consensus about disclosure of this risk to patients with iRBD. OBJECTIVE The objective of our study was to assess the experiences of risk disclosure in a group of patients with iRBD and their views on what, when, and how this should be done. METHODS A survey was administered to patients with iRBD to explore their experiences and views on risk disclosure. RESULTS Thirty-one patients with iRBD (28 males; mean age, 70 [SD 8.7] years; mean disease duration, 8.7 [SD 6.4] years) were included. A third reported they had not been informed about the link between iRBD and other conditions by clinicians at diagnosis, but 90% would have liked to have received prognostic information, and 60% indicated that this should happen at the point that iRBD was diagnosed. Most participants wanted this information to come from the clinician diagnosing and treating iRBD (90.3%). Almost three-quarters (72.2%) had searched for this information online. CONCLUSIONS Patients with iRBD mostly wished to have received information regarding the potential implications of iRBD when the diagnosis was made. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Laura Pérez‐Carbonell
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation TrustLondonUnited Kingdom
| | - Cristina Simonet
- Preventive Neurology Unit, Wolfson Institute of Population HealthQueen Mary University of LondonLondonUnited Kingdom
| | - Harneek Chohan
- Preventive Neurology Unit, Wolfson Institute of Population HealthQueen Mary University of LondonLondonUnited Kingdom
| | - Aneet Gill
- Preventive Neurology Unit, Wolfson Institute of Population HealthQueen Mary University of LondonLondonUnited Kingdom
| | - Guy Leschziner
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation TrustLondonUnited Kingdom
| | - Anette Schrag
- Department of Clinical and Movement NeuroscienceUCL Institute of NeurologyLondonUnited Kingdom
| | - Alastair J. Noyce
- Preventive Neurology Unit, Wolfson Institute of Population HealthQueen Mary University of LondonLondonUnited Kingdom
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3
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Avena R, Picillo M, Pellecchia MT, Barone P, Erro R. Off-label DaT-SCAN use: a single-center, real-world study. Neurol Sci 2023:10.1007/s10072-023-06730-y. [PMID: 36892664 DOI: 10.1007/s10072-023-06730-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 03/02/2023] [Indexed: 03/10/2023]
Affiliation(s)
- Roberto Avena
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Neuroscience Section, University of Salerno, 84131, Salerno, Italy
| | - Marina Picillo
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Neuroscience Section, University of Salerno, 84131, Salerno, Italy
| | - Maria Teresa Pellecchia
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Neuroscience Section, University of Salerno, 84131, Salerno, Italy
| | - Paolo Barone
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Neuroscience Section, University of Salerno, 84131, Salerno, Italy
| | - Roberto Erro
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Neuroscience Section, University of Salerno, 84131, Salerno, Italy.
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Kayis G, Yilmaz R, Arda B, Akbostancı MC. Risk disclosure in prodromal Parkinson's disease - A survey of neurologists. Parkinsonism Relat Disord 2023; 106:105240. [PMID: 36516567 DOI: 10.1016/j.parkreldis.2022.105240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/14/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
INTRODUCTION In the absence of a disease-modifying treatment and prognostic uncertainty, ethics of risk disclosure in prodromal Parkinson's disease (PD) is challenging. Previous studies highlighted several facets of these challenges from the perspective of involved parties. However, to date, the view of neurologists who may encounter individuals with prodromal PD remained unrepresented. Moreover, cross-cultural differences intrinsic to the ethics of risk disclosure are yet to be elucidated. Therefore, we investigated the attitude of neurologists toward risk disclosure in prodromal PD. METHODS In this observational study, Turkish neurologists were invited to fill out a questionnaire evaluating their stance on risk disclosure regarding an individual with polysomnography-confirmed REM sleep behavior disorder, which is the strongest risk factor for PD. RESULTS More than 90% of the participating 222 neurologists were familiar with prodromal PD. While 15.3% stated that the risk should be disclosed in any case, 6.8% chose no disclosure. The remaining 77.9% favored disclosure only under certain circumstances, the plurality of which was the individual's consent to know about the risk. After reminding the potential neuroprotective effects of exercise and diet, neurologists who chose the option of "no disclosure" decreased to 3.2% (McNemar's test p = 0.008). No significant differences among the neurologists were found regarding sex, academic title, or field of interest. CONCLUSION The majority of the neurologists found it appropriate to disclose the risk of future PD only if the individual expresses a desire to know. Also, recognition of the impact of lifestyle factors on PD is important in prognostic counseling.
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Affiliation(s)
- Gorkem Kayis
- Ankara University School of Medicine, Ankara, Turkey
| | - Rezzak Yilmaz
- Ankara University School of Medicine, Department of Neurology, Ankara, Turkey; Ankara University Brain Research Center, Ankara, Turkey.
| | - Berna Arda
- Ankara University School of Medicine, Department of History of Medicine and Ethics, Ankara, Turkey
| | - M Cenk Akbostancı
- Ankara University School of Medicine, Department of Neurology, Ankara, Turkey; Ankara University Brain Research Center, Ankara, Turkey
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Chahine LM. Prodromal α-Synucleinopathies. Continuum (Minneap Minn) 2022; 28:1268-1280. [DOI: 10.1212/con.0000000000001153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Schaeffer E, Toedt I, Köhler S, Rogge A, Berg D. Risk Disclosure in Prodromal Parkinson's Disease. Mov Disord 2021; 36:2833-2839. [PMID: 34351002 DOI: 10.1002/mds.28723] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/22/2021] [Accepted: 07/06/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Impressive progress in the understanding of the prodromal phase of Parkinson's disease (PD) in recent years has enabled the generation of disease prediction models. However, a remaining diagnostic uncertainty and lack of therapeutic options for affected individuals has resulted in a variety of ethical issues that have not to date been addressed sufficiently. Moreover, differences in the specificity of prodromal symptoms and possible subtypes of PD, especially the presence of rapid eye movement (REM) sleep behavior disorder (RBD), may have an important impact on prognostic counseling. OBJECTIVES To derive a guideline for risk disclosure in prodromal PD based on the current literature and expert opinion. METHODS We performed (1) a literature review on prognostic counseling in PD and (2) consulted with international experts on prodromal PD using a semi-structured questionnaire based on a Delphi approach to evaluate recommendations for risk disclosure in PD. RESULTS The literature research revealed only 11 publications addressing prognostic counseling, with only two studies directly addressing affected individuals and most studies focusing on risk disclosure in RBD. The expert survey revealed the importance of distinguishing between individuals with and without RBD in prognostic counseling. CONCLUSIONS Based on the current literature and expert recommendations, a guideline for risk disclosure in prodromal PD for clinical care and research could be elaborated. Prognostic counseling should include differentiation between individuals with and without RBD, taking into account the high uncertainty of risk calculation in RBD-negative prodromal PD. © 2021 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Eva Schaeffer
- Department of Neurology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Inken Toedt
- Department of Neurology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Susanne Köhler
- Department of Neurology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Annette Rogge
- Institute of Experimental Medicine, Medical Ethics, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Daniela Berg
- Department of Neurology, Christian-Albrechts-University of Kiel, Kiel, Germany.,Department of Neurodegeneration, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
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REM Sleep Behavior Disorder as a Pathway to Dementia: If, When, How, What, and Why Should Physicians Disclose the Diagnosis and Risk for Dementia. CURRENT SLEEP MEDICINE REPORTS 2021; 7:57-64. [PMID: 34336551 PMCID: PMC8302466 DOI: 10.1007/s40675-021-00206-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2021] [Indexed: 12/02/2022]
Abstract
Purpose of Review People with isolated REM (rapid eye movement) sleep behavior disorder (iRBD) have a high lifetime risk of developing a neurodegenerative disease, including dementia, but disclosure of this risk remains controversial. Herein, we summarize this controversy and provide guidance on disclosure. Recent Findings Neurodegeneration risk disclosure in iRBD is controversial because of a long latency to disease onset and a lack of preventative strategies. Balancing the relevant ethical principles of beneficence, nonmaleficence, and autonomy is challenging. Although there are few data on disclosure in iRBD, evidence from discussing risk in other diseases with dementia provides some guidance. Summary We provide an approach to risk disclosure for patients with iRBD. Patients should be asked if they want to know about future risks. If so, disclosure should be patient centered, focusing on what might happen. Discussion should occur early to give patients time to prepare for the future and consider participating in research.
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Dommershuijsen LJ, Darweesh SKL, Luik AI, Kieboom BCT, Koudstaal PJ, Boon AJW, Ikram MA, Ikram MK, Bunnik EM. Ethical Considerations in Screening for Rapid Eye Movement Sleep Behavior Disorder in the General Population. Mov Disord 2020; 35:1939-1944. [PMID: 32930445 DOI: 10.1002/mds.28262] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 07/11/2020] [Indexed: 11/09/2022] Open
Abstract
Clinical studies have shown that up to 90% of patients with idiopathic rapid eye movement sleep behavior disorder (RBD) will eventually be diagnosed with a clinical α-synucleinopathy. Because of this high conversion rate, screening for RBD is often performed to identify eligible participants for studies aimed at elucidating the prodromal phase of α-synucleinopathies. However, screening for RBD, especially in the general population, raises many ethical dilemmas. In light of the existing ethical literature and our experience in establishing a screening approach for RBD in the Rotterdam Study, we discuss ethical dilemmas when screening for RBD in population-based studies. We conclude that informing study participants about the reason for invitation and the possible trajectory that lies ahead when participating is essential. However, participants should not be troubled unnecessarily by giving them detailed information about possible diagnoses or associated disease risks. © 2020 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Lisanne J Dommershuijsen
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Sirwan K L Darweesh
- Department of Neurology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Annemarie I Luik
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Brenda C T Kieboom
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Peter J Koudstaal
- Department of Neurology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Agnita J W Boon
- Department of Neurology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - M Kamran Ikram
- Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands.,Department of Neurology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Eline M Bunnik
- Department of Medical Ethics, Philosophy and History of Medicine, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
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Videnovic A, Ju YES, Arnulf I, Cochen-De Cock V, Högl B, Kunz D, Provini F, Ratti PL, Schiess MC, Schenck CH, Trenkwalder C. Clinical trials in REM sleep behavioural disorder: challenges and opportunities. J Neurol Neurosurg Psychiatry 2020; 91:740-749. [PMID: 32404379 PMCID: PMC7735522 DOI: 10.1136/jnnp-2020-322875] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 03/31/2020] [Accepted: 04/17/2020] [Indexed: 01/13/2023]
Abstract
The rapid eye movement sleep behavioural disorder (RBD) population is an ideal study population for testing disease-modifying treatments for synucleinopathies, since RBD represents an early prodromal stage of synucleinopathy when neuropathology may be more responsive to treatment. While clonazepam and melatonin are most commonly used as symptomatic treatments for RBD, clinical trials of symptomatic treatments are also needed to identify evidence-based treatments. A comprehensive framework for both disease-modifying and symptomatic treatment trials in RBD is described, including potential treatments in the pipeline, cost-effective participant recruitment and selection, study design, outcomes and dissemination of results. For disease-modifying treatment clinical trials, the recommended primary outcome is phenoconversion to an overt synucleinopathy, and stratification features should be used to select a study population at high risk of phenoconversion, to enable more rapid clinical trials. For symptomatic treatment clinical trials, objective polysomnogram-based measurement of RBD-related movements and vocalisations should be the primary outcome measure, rather than subjective scales or diaries. Mobile technology to enable objective measurement of RBD episodes in the ambulatory setting, and advances in imaging, biofluid, tissue, and neurophysiological biomarkers of synucleinopathies, will enable more efficient clinical trials but are still in development. Increasing awareness of RBD among the general public and medical community coupled with timely diagnosis of these diseases will facilitate progress in the development of therapeutics for RBD and associated neurodegenerative disorders.
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Affiliation(s)
- Aleksandar Videnovic
- Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Yo-El S Ju
- Department of Neurology, Washington University in Saint Louis, Saint Louis, Missouri, USA
| | - Isabelle Arnulf
- Assistance Publique Hôpitaux de Paris, Service des pathologies du Sommeil, Hôpital Pitié-Salpêtrière, Paris, France.,UMR S 1127, CNRS UMR 7225, ICM, Sorbonne Universités, UPMC University Paris, Paris, France
| | - Valérie Cochen-De Cock
- Neurologie et sommeil, Clinique Beau Soleil, Montpellier, France.,Laboratoire Movement to Health (M2H), EuroMov, Université Montpellier, Montpellier, France
| | - Birgit Högl
- Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
| | - Dieter Kunz
- Clinic for Sleep and Chronomedicine, Berlin, Germany
| | - Federica Provini
- IRCCS Institute of Neurological Sciences of Bologna, University of Bologna, Bologna, Italy.,Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | | | - Mya C Schiess
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, USA
| | - Carlos H Schenck
- Department of Psychiatry, University of Minnesota, Minneapolis, Minnesota, USA.,Minnesota Regional Sleep Disorders Center, Minneapolis, Minnesota, USA
| | - Claudia Trenkwalder
- Paracelsus Elena Klinik, Kassel, Germany.,Department of Neurosurgery, University Medical Center, Göttingen, Germany
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