Spinoserebellar dejenerasyonu olan hastalarda protirelin için uzun süreli etkinlik ve hastalığa özgü yanıt: Retrospektif bir çalışma.

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IntroductionThe thyrotropin-releasing hormone (TRH) analog protirelin has short-term benefits for cerebellar ataxia (CA), but its long-term efficacy and the subtype-specific responsiveness of spinocerebellar degeneration (SCD) patients remain unclear.MethodsWe retrospectively reviewed the records of 92 SCD patients (273 courses) treated with protirelin between July 2011 and October 2025, including patients with idiopathic CA (IDCA), multiple system atrophy with predominant CA (MSA-C) or parkinsonism (MSA-P), and genetic subtypes including spinocerebellar ataxia (SCA) type 6, SCA31 and dentatorubral-pallidoluysian atrophy (DRPLA). Responders were defined as showing ≥1-point improvement on the Scale for the Assessment and Rating of Ataxia (SARA).ResultsProtirelin was effective in 64.1% of subjects, with significant improvement overall (p ConclusionProtirelin is efficacious in SCD patients and well-tolerated, particularly in slow-progressing phenotypes (IDCA and SCA31); its benefit in rapidly progressing ataxias (MSA-C) may be confined to early disease stages. Prospective studies with standardized dosing and long-term follow-up are warranted to establish evidence-based protocols for TRH-related therapy for CA.

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