Professor K. Ray Chaudhuri is Professor of Neurology/Movement Disorders at King’s College Hospital and King’s College London and Director of the Parkinson Foundation International Centre of Excellence at King’s College. He is Chairman of the Industry Engagement Committee, and Co Chair Task force of the Parkinson Wellness committee of the Movement Disorders Society (MDS and Ex Chair Membership and Public Relations Committee of the Movement Disorders Society (MDS), was a member of the MDS Congress Scientific Programme Committee (2013-2017) and is Founder and Ex Chairman and current steering group member of the MDS Non-Motor Parkinson’s Disease Study Group and a member of the MDS-ES Education committee and Evidence Based Medicine committee (Nonmotor symptoms). He was the founder -Editor-in-Chief of the njp Parkinson’s Disease (2020 impact factor >8), Guest Editor for special editions of Frontiers in Neurology and Journal of Parkinson’s Disease, reviewer for all mainstream movement disorders journals as well as JAMA, Neurology, Annals of Neurology, BMJ, Brain, Lancet, and Journal of Neurology, Neurosurgery, and Psychiatry. He serves as an advisor (MHRA health technology and scientific advisor) to the UK National Institute for Health and Care Excellence, NHS England, General Medical Council as well as Parkinson’s UK and Parkinson’s Europe. Professor Chaudhuri is the author of over 500 articles, co-editor of 5 books on Parkinson’s disease and restless legs syndrome, and winner of the British Medical Association Book Awards commendation in 2015 and 2017. He is also the recipient of 2018 Jay Van Andel Award Outstanding Achievement in Parkinson’s Disease Research (pioneering holistic assessments and non-motor subtypes), as well as National Institute for Health Research/Royal College of Physicians award for outstanding research leadership in 2017. He was elected honorary member of the Movement Disorders Society in 2021, Honorary Professor Brasov University, Honorary Professor SRM University, India and received the UK NHS Gold merit award in 2021 for excellence in research and clinical service. In 2023 he was featured as “role model” in British Medical Journal. He has been a guest lecturer worldwide, including in Japan, China, Taiwan, Vietnam, Thailand, Singapore, Australia, India, Africa, the US, Russia, and Europe. In 2022/2023 he is ranked fourth in the world for Parkinson’s publications/expertise and expertise since 2014 and no 1 in the UK (expertscape: Parkinson’s disease). Ms Miriam Parry is a Senior Parkinson’s Disease Nurse Specialist (PDNS) at The Parkinson’s Foundation Centre of Excellence, King’s College Hospital, London.She trained at Guy’s Hospital, London and qualified in 1992.Ms Parry has many additional qualifications specific to Parkinson’s Disease (PD). Ms Parry is a member of the Movement Disorders research team at King’s College London. Her research interests are the non-motor aspects of Parkinson’s disease.She represents the PDNS at the Non motor Parkinson disease study group (NM-PD-SG) at the International Parkinson and Movement Disorder Society (IPMDS).Ms Parry participates in teaching programmes both nationally and internationally including; The King’s Apomorphine and Duodopa Masterclasses, Parkinson’s UK and MDS courses.Ms Parry is a member of the CRISP – Community for Research Involvement and Support for people with Parkinson’s – held at King’s College Hospital. Cristian Falup-Pecurariu is Head of the Department of Neurology, County Clinic Hospital from Brasov, and is Full Professor of Neurology at the Transilvania University from Brasov, Romania. He received his medical degree from the University of Medicine and Pharmacy “Iuliu Hatieganu” from Cluj-Napoca. He hold a 1 year fellowship of the European Neurological Society in movement disorders at Hospital Clinic, University of Barcelona, Spain.During his career Cristian Falup-Pecurariu was President of the European Association of Young Neurologists and Trainees (EAYNT), EAYNT Liasion Officer with World Federation of Neurological Society, co-representative of Europe on the International Working Group for Young Neurologists and Trainees (World Federation of Neurology). He was also Secretary of the EFNS/MDS-ES Panel on Movement Disorders, member of the Educational Committee of MDS-ES, member of the MDS Leadership Task Force and European Academy of Neurology Scientific Panel Movement Disorders, member of the Teaching Course sub-Committee of the European Academy of Neurology (EAN), currently being member of the Program Committee of EAN. Falup-Pecurariu is former Chair of the Education Committee of the MDS-ES, former member of the Executive Committee of MDS-ES, former member of the International Executive Committee of MDS. He is the initiator and Course Director of the Movement Disorders Teaching Course held in Brasov (12th editions). His research focuses on motor and non-motor aspects of Parkinson’s diseases.

• PrefaceMiriam Parry, K Ray Chaudhuri and Cristian Falup-Pecurariu1. IntroductionMiriam Parry2. Prevalence, clinical presentations and impact on relationshipCarsten Buhmann3. PathophysiologyNataliya Titova4. Scales for assessing sexual dysfunction in Parkinson’s diseaseCamen Rodriguez-Blazquez5. Diagnostic work up: Laboratory and biomarkersPer Odin Sr. and Gustav Weber6. Management strategiesDaniele Urso7. ICD DDS and sex dysfunctionCristian Falup-Pecurariu8. Non-motor fluctuations and sex dysfunctionAlexander Storch9. Exploring Sexual Dysfunction in Care HomesAnnette Hand and Barry Thomas Hill10. The impact of non-motor symptoms burden on sexual functionsK Ray Chaudhuri11. FutureK Ray Chaudhuri

Professor K. Ray Chaudhuri is Professor of Neurology/Movement Disorders at King’s College Hospital and King’s College London and Director of the Parkinson Foundation International Centre of Excellence at King’s College. He is Chairman of the Industry Engagement Committee, and Co Chair Task force of the Parkinson Wellness committee of the Movement Disorders Society (MDS and Ex Chair Membership and Public Relations Committee of the Movement Disorders Society (MDS), was a member of the MDS Congress Scientific Programme Committee (2013-2017) and is Founder and Ex Chairman and current steering group member of the MDS Non-Motor Parkinson’s Disease Study Group and a member of the MDS-ES Education committee and Evidence Based Medicine committee (Nonmotor symptoms). He was the founder -Editor-in-Chief of the njp Parkinson’s Disease (2020 impact factor >8), Guest Editor for special editions of Frontiers in Neurology and Journal of Parkinson’s Disease, reviewer for all mainstream movement disorders journals as well as JAMA, Neurology, Annals of Neurology, BMJ, Brain, Lancet, and Journal of Neurology, Neurosurgery, and Psychiatry. He serves as an advisor (MHRA health technology and scientific advisor) to the UK National Institute for Health and Care Excellence, NHS England, General Medical Council as well as Parkinson’s UK and Parkinson’s Europe. Professor Chaudhuri is the author of over 500 articles, co-editor of 5 books on Parkinson’s disease and restless legs syndrome, and winner of the British Medical Association Book Awards commendation in 2015 and 2017. He is also the recipient of 2018 Jay Van Andel Award Outstanding Achievement in Parkinson’s Disease Research (pioneering holistic assessments and non-motor subtypes), as well as National Institute for Health Research/Royal College of Physicians award for outstanding research leadership in 2017. He was elected honorary member of the Movement Disorders Society in 2021, Honorary Professor Brasov University, Honorary Professor SRM University, India and received the UK NHS Gold merit award in 2021 for excellence in research and clinical service. In 2023 he was featured as “role model” in British Medical Journal. He has been a guest lecturer worldwide, including in Japan, China, Taiwan, Vietnam, Thailand, Singapore, Australia, India, Africa, the US, Russia, and Europe. In 2022/2023 he is ranked fourth in the world for Parkinson’s publications/expertise and expertise since 2014 and no 1 in the UK (expertscape: Parkinson’s disease). Ms Miriam Parry is a Senior Parkinson’s Disease Nurse Specialist (PDNS) at The Parkinson’s Foundation Centre of Excellence, King’s College Hospital, London.She trained at Guy’s Hospital, London and qualified in 1992.Ms Parry has many additional qualifications specific to Parkinson’s Disease (PD). Ms Parry is a member of the Movement Disorders research team at King’s College London. Her research interests are the non-motor aspects of Parkinson’s disease.She represents the PDNS at the Non motor Parkinson disease study group (NM-PD-SG) at the International Parkinson and Movement Disorder Society (IPMDS).Ms Parry participates in teaching programmes both nationally and internationally including; The King’s Apomorphine and Duodopa Masterclasses, Parkinson’s UK and MDS courses.Ms Parry is a member of the CRISP – Community for Research Involvement and Support for people with Parkinson’s – held at King’s College Hospital. Cristian Falup-Pecurariu is Head of the Department of Neurology, County Clinic Hospital from Brasov, and is Full Professor of Neurology at the Transilvania University from Brasov, Romania. He received his medical degree from the University of Medicine and Pharmacy “Iuliu Hatieganu” from Cluj-Napoca. He hold a 1 year fellowship of the European Neurological Society in movement disorders at Hospital Clinic, University of Barcelona, Spain.During his career Cristian Falup-Pecurariu was President of the European Association of Young Neurologists and Trainees (EAYNT), EAYNT Liasion Officer with World Federation of Neurological Society, co-representative of Europe on the International Working Group for Young Neurologists and Trainees (World Federation of Neurology). He was also Secretary of the EFNS/MDS-ES Panel on Movement Disorders, member of the Educational Committee of MDS-ES, member of the MDS Leadership Task Force and European Academy of Neurology Scientific Panel Movement Disorders, member of the Teaching Course sub-Committee of the European Academy of Neurology (EAN), currently being member of the Program Committee of EAN. Falup-Pecurariu is former Chair of the Education Committee of the MDS-ES, former member of the Executive Committee of MDS-ES, former member of the International Executive Committee of MDS. He is the initiator and Course Director of the Movement Disorders Teaching Course held in Brasov (12th editions). His research focuses on motor and non-motor aspects of Parkinson’s diseases.

• PrefaceMiriam Parry, K Ray Chaudhuri and Cristian Falup-Pecurariu1. IntroductionMiriam Parry2. Prevalence, clinical presentations and impact on relationshipCarsten Buhmann3. PathophysiologyNataliya Titova4. Scales for assessing sexual dysfunction in Parkinson’s diseaseCamen Rodriguez-Blazquez5. Diagnostic work up: Laboratory and biomarkersPer Odin Sr. and Gustav Weber6. Management strategiesDaniele Urso7. ICD DDS and sex dysfunctionCristian Falup-Pecurariu8. Non-motor fluctuations and sex dysfunctionAlexander Storch9. Exploring Sexual Dysfunction in Care HomesAnnette Hand and Barry Thomas Hill10. The impact of non-motor symptoms burden on sexual functionsK Ray Chaudhuri11. FutureK Ray Chaudhuri

Professor K. Ray Chaudhuri is Professor of Neurology/Movement Disorders at King’s College Hospital and King’s College London and Director of the Parkinson Foundation International Centre of Excellence at King’s College. He is Chairman of the Industry Engagement Committee, and Co Chair Task force of the Parkinson Wellness committee of the Movement Disorders Society (MDS and Ex Chair Membership and Public Relations Committee of the Movement Disorders Society (MDS), was a member of the MDS Congress Scientific Programme Committee (2013-2017) and is Founder and Ex Chairman and current steering group member of the MDS Non-Motor Parkinson’s Disease Study Group and a member of the MDS-ES Education committee and Evidence Based Medicine committee (Nonmotor symptoms). He was the founder -Editor-in-Chief of the njp Parkinson’s Disease (2020 impact factor >8), Guest Editor for special editions of Frontiers in Neurology and Journal of Parkinson’s Disease, reviewer for all mainstream movement disorders journals as well as JAMA, Neurology, Annals of Neurology, BMJ, Brain, Lancet, and Journal of Neurology, Neurosurgery, and Psychiatry. He serves as an advisor (MHRA health technology and scientific advisor) to the UK National Institute for Health and Care Excellence, NHS England, General Medical Council as well as Parkinson’s UK and Parkinson’s Europe. Professor Chaudhuri is the author of over 500 articles, co-editor of 5 books on Parkinson’s disease and restless legs syndrome, and winner of the British Medical Association Book Awards commendation in 2015 and 2017. He is also the recipient of 2018 Jay Van Andel Award Outstanding Achievement in Parkinson’s Disease Research (pioneering holistic assessments and non-motor subtypes), as well as National Institute for Health Research/Royal College of Physicians award for outstanding research leadership in 2017. He was elected honorary member of the Movement Disorders Society in 2021, Honorary Professor Brasov University, Honorary Professor SRM University, India and received the UK NHS Gold merit award in 2021 for excellence in research and clinical service. In 2023 he was featured as “role model” in British Medical Journal. He has been a guest lecturer worldwide, including in Japan, China, Taiwan, Vietnam, Thailand, Singapore, Australia, India, Africa, the US, Russia, and Europe. In 2022/2023 he is ranked fourth in the world for Parkinson’s publications/expertise and expertise since 2014 and no 1 in the UK (expertscape: Parkinson’s disease). Ms Miriam Parry is a Senior Parkinson’s Disease Nurse Specialist (PDNS) at The Parkinson’s Foundation Centre of Excellence, King’s College Hospital, London.She trained at Guy’s Hospital, London and qualified in 1992.Ms Parry has many additional qualifications specific to Parkinson’s Disease (PD). Ms Parry is a member of the Movement Disorders research team at King’s College London. Her research interests are the non-motor aspects of Parkinson’s disease.She represents the PDNS at the Non motor Parkinson disease study group (NM-PD-SG) at the International Parkinson and Movement Disorder Society (IPMDS).Ms Parry participates in teaching programmes both nationally and internationally including; The King’s Apomorphine and Duodopa Masterclasses, Parkinson’s UK and MDS courses.Ms Parry is a member of the CRISP – Community for Research Involvement and Support for people with Parkinson’s – held at King’s College Hospital. Cristian Falup-Pecurariu is Head of the Department of Neurology, County Clinic Hospital from Brasov, and is Full Professor of Neurology at the Transilvania University from Brasov, Romania. He received his medical degree from the University of Medicine and Pharmacy “Iuliu Hatieganu” from Cluj-Napoca. He hold a 1 year fellowship of the European Neurological Society in movement disorders at Hospital Clinic, University of Barcelona, Spain.During his career Cristian Falup-Pecurariu was President of the European Association of Young Neurologists and Trainees (EAYNT), EAYNT Liasion Officer with World Federation of Neurological Society, co-representative of Europe on the International Working Group for Young Neurologists and Trainees (World Federation of Neurology). He was also Secretary of the EFNS/MDS-ES Panel on Movement Disorders, member of the Educational Committee of MDS-ES, member of the MDS Leadership Task Force and European Academy of Neurology Scientific Panel Movement Disorders, member of the Teaching Course sub-Committee of the European Academy of Neurology (EAN), currently being member of the Program Committee of EAN. Falup-Pecurariu is former Chair of the Education Committee of the MDS-ES, former member of the Executive Committee of MDS-ES, former member of the International Executive Committee of MDS. He is the initiator and Course Director of the Movement Disorders Teaching Course held in Brasov (12th editions). His research focuses on motor and non-motor aspects of Parkinson’s diseases.

• PrefaceMiriam Parry, K Ray Chaudhuri and Cristian Falup-Pecurariu1. IntroductionMiriam Parry2. Prevalence, clinical presentations and impact on relationshipCarsten Buhmann3. PathophysiologyNataliya Titova4. Scales for assessing sexual dysfunction in Parkinson’s diseaseCamen Rodriguez-Blazquez5. Diagnostic work up: Laboratory and biomarkersPer Odin Sr. and Gustav Weber6. Management strategiesDaniele Urso7. ICD DDS and sex dysfunctionCristian Falup-Pecurariu8. Non-motor fluctuations and sex dysfunctionAlexander Storch9. Exploring Sexual Dysfunction in Care HomesAnnette Hand and Barry Thomas Hill10. The impact of non-motor symptoms burden on sexual functionsK Ray Chaudhuri11. FutureK Ray Chaudhuri