C-Trelin Orally Disintegrated(OD) Tablet 5mg in Ataxia Due to Spinocerebellar Degeneration

Inclusion Criteria: * Male or female patients ≥ 20 years of age * Patients who voluntarily agreed to enroll in the study and signed an informed consent form * Patients diagnosed with ataxia (genetic or non-genetic) due to spinocerebellar degeneration by the investigator's judgment based on the results of essential diagnostic examinations stated below. \<Genetic ataxia\> * Spinocerebellar ataxia(SCA) * Friedreich's ataxia(FA) * Other genetic ataxia \<Non-genetic ataxia\> * Idiopathic late onset cerebellar ataxia(ILOCA) The following examinations to diagnose ataxia (genetic or non-genetic) induced by spinocerebellar degeneration can be used, and the investigator has to diagnose by combining at least one diagnostic examination result among the following-items. * Medical history: alcohol abuse, medication history, family history * Genetic test: SCA 1, 2, 3, 6, 7, 8, 17, FA which is available for the patient * Brain MRI or CT scan: abnormalities of cerebellum and pons, brain vascular disease, or brain tumors * Retinal or optic nerve examination Exclusion Criteria: * Patients with bed-ridden state at the time of screening even though the patient is diagnosed with ataxia induced by spinocerebellar degeneration * Patients with ataxia caused by stroke * Patients with ataxia caused by cerebrovascular, alcoholic-induced or drug-induced secondary cerebellar abnormalities * Patients with complications of other neurodegenerative diseases such as Parkinson's disease and multiple system atrophy(however, patients diagnosed with SCA 2, SCA 3, SCA 17 can be enrolled) * Patients with malignant neoplastic disease * Patients with kidney failure and liver failure history * Patients with abnormalities in clinical laboratory test results as follows( Patients with liver dysfunction: Aspartate Transaminase(AST), Alanine Transaminase(ALT) \> 3 times than the upper limit of normal range(ULN), Total bilirubin \> 1.5 times than the ULN, Patients with renal dysfunction: Serum creatinine \> 1.5mg/dl, Patients with thyroid dysfunction: free T4: above or below the normal range) * Patients with thyroid dysfunction at the time of screening(hyperthyroidism, hypothyroidism) * Patients accompanied by lesions other than spinocerebellar degeneration from Brain MRI or CT scan * Patients with schizophrenia, major depressive disorder * Patients with a history of acute myocardial infarction within 2 years of the screening visit * Patients with a history of unstable angina pectoris within 2 years of the screening visit * Patients taking contraindicated concomitant medication( However, patients with following drugs can be enrolled only if they are administered 4 weeks before the screening visit, and the type, dosage, and volume should be kept unchanged during the clinical trial.: Parkinson's disease medicine, Anxiolytics, Antidepressants, Antiepileptics, Antipsychotics, Medicine for dysuria, Sleep inducer, β blocker) * Patients with hypersensitivity to Taltirelin Hydrate * Cognitive dysfunction: Korean Version of Mini-Mental State Exam(K-MMSE) ≤ 20 * Patients who are pregnant or lactating * All childbearing females who are planning to pregnant during the clinical trial or who are not using medically reliable contraceptive methods (such as intrauterine contraceptives, condoms or diaphragms combined with spermicides) except menopaused more than 1 year from the last menstruation or had undergone surgical sterilization * Patients participating in any other clinical trials or participated 30 days before * Patients whom the investigator considers inappropriate for the clinical trial due to any other reasons