ReviewMovement disorders clinical practice2026
Exocrine Gland Dysfunction in Parkinson's Disease: Pathophysiology, Clinical Manifestations, and Therapeutic Perspectives-A Narrative Review.
Review in Movement disorders clinical practice, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundNon-motor symptoms, especially autonomic dysfunction, are major contributors to disability and decreased quality of life in Parkinson's disease (PD). Despite being common and having a wide range of clinical facets, exocrine gland dysfunction is still not well recognized and managed.
objectiveThe aim of this narrative review is to present a thorough and integrative synthesis of exocrine gland dysfunction in PD, including an overview of its underlying mechanisms, clinical manifestations, diagnostic techniques, and treatment approaches.
methodsWe critically reviewed the literature addressing autonomic regulation of exocrine glands, α-synuclein pathology in central and peripheral autonomic networks, and clinical studies of glandular dysfunction across salivary, lacrimal, sebaceous, nasal, sweat, gastric, and pancreatic systems in PD.
resultsExocrine dysfunction in PD is multifaceted and potentially linked to degeneration within central autonomic control regions, peripheral autonomic nerves, and even glandular tissues themselves, often compounded by iatrogenic medication effects. Importantly, certain disturbances may precede motor features, underscoring their potential as prodromal markers. Clinically, such dysfunctions significantly impair different aspects of health and well-being overall. Multidisciplinary approach is needed for management, striking a balance between symptom relief and consideration of treatment-related tradeoffs.
conclusionsExocrine gland dysfunction represents a prevalent, intricate, and clinically significant range of non-motor symptoms in PD, indicative of extensive autonomic involvement. Early detection may enhance quality of life and symptom management while also offering insights into disease mechanisms, the discovery of biomarkers and therapeutic interventions.
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