Clinical Research Directory

Efficacy and Safety of Bilateral Cervical Lymphatic-Venous Anastomosis in the Treatment of Multiple System Atrophy

Sponsor: Ruijin Hospital

Summary

Multiple System Atrophy (MSA) is a rare and aggressive neurodegenerative disorder characterized by a combination of motor impairments, autonomic dysfunction, and cerebellar ataxia, with no currently available disease-modifying therapies. Emerging evidence suggests that impaired glymphatic clearance of pathological α-synuclein aggregates may contribute to disease progression. This clinical study investigates the potential of bilateral cervical lymphatic-venous anastomosis (LVA) - a microsurgical procedure connecting deep cervical lymphatics to veins - to enhance glymphatic drainage and slow disease progression in MSA patients. This single-center prospective clinical study will enroll patients with clinically confirmed MSA to undergo bilateral cervical lymphatic-venous anastomosis (LVA). Through comprehensive pre- and postoperative evaluations including clinical scale assessments, blood biomarker testing, and neuroimaging examinations, the study aims to evaluate the short-term and long-term effects of bilateral LVA on patients' motor function, autonomic symptoms, and quality of life, as well as its potential to delay disease progression. The study will further investigate whether the potential clinical improvements from LVA are mediated through enhanced intracranial lymphatic drainage function and subsequent clearance of pathological α-Syn protein in the brain. Safety assessments will include monitoring and recording both short-term and long-term postoperative complications. This research may provide a novel non-pharmacological intervention approach for MSA treatment.

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