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Original Article
- Efficacy and Safety of Taltirelin Hydrate in Patients With Ataxia Due to Spinocerebellar Degeneration
- Jin Whan Cho, Jee-Young Lee, Han-Joon Kim, Joong-Seok Kim, Kun-Woo Park, Seong-Min Choi, Chul Hyoung Lyoo, Seong-Beom Koh
- J Mov Disord. 2025;18(1):35-44. Published online October 21, 2024
- DOI: https://doi.org/10.14802/jmd.24127
- Correction in: J Mov Disord 2026;19(2):244
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Abstract
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Supplementary Material - Objective
We conducted this study to assess the efficacy and safety of taltirelin hydrate (TH) in patients with ataxia due to spinocerebellar degeneration (SCD).
Methods
Patients were randomly assigned to either the taltirelin group (5 mg orally, twice daily) or the control group. The primary endpoint was the change in the Korean version of the Scale for the Assessment and Rating of Ataxia (K-SARA) score at 24 weeks. The secondary endpoints included changes in the K-SARA score at 4 and 12 weeks as well as the Clinical Global Impression Scale, the five-level version of the EuroQol five-dimensional questionnaire, the Tinetti balance test, and gait analysis at 4, 12, and 24 weeks.
Results
A total of 149 patients (hereditary:nonhereditary=86:63) were enrolled. There were significant differences in the change in the K-SARA score at 24 weeks from baseline between the taltirelin group and the control group (-0.51±2.79 versus 0.36±2.62, respectively; p=0.0321). For the K-SARA items, the taltirelin group had significantly lower “Stance” and “Speech disturbance” subscores than the control group (-0.04±0.89 versus 0.23±0.79 and -0.07±0.74 versus 0.18±0.67; p=0.0270 and 0.0130, respectively). However, there were no significant differences in changes in other secondary efficacy outcome measures at 24 weeks from baseline between the two treatment arms (p>0.05).
Conclusion
Clinicians might consider the use of TH in the treatment of patients with ataxia due to SCD. -
Citations
Citations to this article as recorded by
- Taltirelin treatment alleviates PTSD-like symptoms and restores neural oscillations in male mice receiving single prolonged stress
Keke Ding, Zhengrong Zhang, Jingwen Niu, Mingyue Zhu, Junjie Zhang, Lixia Chen, Shaojie Yang, Jingji Wang, Guoqi Zhu
Neuropharmacology.2026; 284: 110791. CrossRef - Long-term efficacy and disease-specific responsiveness to protirelin in patients with spinocerebellar degeneration: A retrospective study
Shohei Okusa, Toshiki Tezuka, Jin Nakahara, Morinobu Seki
Parkinsonism & Related Disorders.2026; 145: 108238. CrossRef
- Taltirelin treatment alleviates PTSD-like symptoms and restores neural oscillations in male mice receiving single prolonged stress
Review Article
- Progressive Supranuclear Palsy with Predominant Cerebellar Ataxia
- Shoichiro Ando, Masato Kanazawa, Osamu Onodera
- J Mov Disord. 2020;13(1):20-26. Published online December 19, 2019
- DOI: https://doi.org/10.14802/jmd.19061
- 15,757 View
- 488 Download
- 24 Web of Science
- 26 Crossref
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Abstract
PDF
- Progressive supranuclear palsy (PSP) is characterized by supranuclear gaze palsy, dystonic rigidity of the neck and upper trunk, frequent falls and mild cognitive impairment. Cerebellar ataxia is one of the exclusion criteria given by the National Institute of Neurological Disorders and Stroke and the Society for Progressive Supranuclear Palsy. As a result, pathologically proven PSP patients exhibiting cerebellar ataxia have often been misdiagnosed with spinocerebellar degeneration, specifically multiple system atrophy with predominant cerebellar ataxia (MSA-C). However, more recently, it has been recognized that patients with PSP can present with truncal and limb ataxia as their initial symptom and/or main manifestation. These patients can be classified as having PSP with predominant cerebellar ataxia (PSP-C), a new subtype of PSP. Since the development of this classification, patients with PSP-C have been identified primarily in Asian countries, and it has been noted that this condition is very rare in Western communities. Furthermore, the clinical features of PSP-C have been identified, enabling it to be distinguished from other subtypes of PSP and MSA-C. In this review, we describe the clinical and neuropathological features of PSP-C. The hypothesized pathophysiology of cerebellar ataxia in PSP-C is also discussed.
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Citations
Citations to this article as recorded by- Diagnostic utility of biomarkers in progressive supranuclear palsy: toward a biotyping framework
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