On this special World Parkinson’s Day episode, Dr. Michele Matarazzo is joined by John Dean—speech-language pathologist and Chair of the MDS Allied Health Professionals Group—to explore the essential roles of care partners, allied health professionals, and the broader Parkinson’s community. From physiotherapists to family members, we shine a light on the many people who support those living with Parkinson’s disease every day.

World Parkinson's Day

Dr. Sara Schaefer discusses with Dr. Michelle Fullard the similarities and differences in how men and women with Parkinson's disease approach the decision of whether or not to undergo deep brain stimulation.

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In this episode, Dr. Michele Matarazzo interviews Prof. Tom Foltynie about the recently published phase 3 clinical trial of exenatide as a disease-modifying therapy for Parkinson’s disease in The Lancet. While the findings were disappointing, ongoing post-hoc analyses aim to understand the discrepancy with previous phase 2 results and explore how they might shape the future of exenatide and other GLP-1 agonists in neurodegenerative disorders.

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Prof. Sarah Camargos interviews Prof. Sun Ju Chung about his recent paper in the Movement Disorders Journal investigating diagnostic and prognostic capabilities of measuring blood mitochondrial DNA copy number (mtDNA-CN) for Parkinson’s disease.

Journal CME is available until March 3, 2026

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Dr. Sara Schaefer and Dr. Davide Martino discuss his recent paper exploring the use of transcranial direct current stimulation over the supplementary motor area for the suppression of tics in patients with Tourette Syndrome.

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There is an important role for cost-effective clinical biomarkers in the diagnosis of Parkinson's disease. Dr. Eduardo de Pablo-Fernández and Dr. Cecilia Tremblay discuss how accurate hyposmia and REM sleep behavior disorder can predict Lewy pathology in a non-selected population using data from the Arizona clinicopathological study on Aging and Neurodegeneration.

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Dr. Jennifer Eisenhauer joins Dr. Sara Schaefer to discuss her recent article describing a combined therapy approach for adult patient with tics: habit reversal therapy (HRT) + acceptance and commitment therapy (ACT). They further discuss what these therapies are, their effect in tics, what is gratifying about working with patients with tics, and next steps to determine efficacy of this approach.

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Dr. Eduardo de Pablo-Fernández and Dr Tommaso Schirinzi discuss the results of his study evaluating markers of immune response, metabolism, inflammatory regulation and tau levels in blood cells in patients with progressive supranuclear palsy (PSP). They also discuss how these results contribute to the growing evidence of neuroinflammation contributing to the pathogenesis of PSP.

Journal CME is available until October 21, 2025

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Dr. Shiro Horisawa discusses the latest clinical trial results on MR-guided focused ultrasound pallidothalamic tractotomy for cervical dystonia. He explores the technique's limitations, future prospects, and how it compares to existing therapeutic options.

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Dr. Hugo Morales Briceno interviews Prof. Ray Chaudhuri to discuss the real world-use of levodopa subcutaneous infusion in patients with Parkinson's disease.