PCSK9 Inhibitor Treatment for Patients With SPG5
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- STATUS
- Recruiting
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- End date
- Jan 3, 2023
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- participants needed
- 30
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- sponsor
- First Affiliated Hospital of Fujian Medical University
Summary
Spastic paraplegia type 5 (SPG5) is a rare subtype of hereditary spastic paraplegia, a highly heterogeneous group of neurodegenerative disorders defined by progressive neurodegeneration of the corticospinal tract motor neurons. SPG5 is caused by recessive mutations in the gene CYP7B1 encoding oxysterol-7a-hydroxylase. This enzyme is involved in the degradation of cholesterol into primary bile acids. CYP7B1 deficiency has been shown to lead to accumulation of neurotoxic oxysterols. Oxysterols were found to impair metabolic activity and viability of human cortical neurons at concentrations found in SPG5 patients, indicating that elevated levels of oxysterols might be key pathogenic factors in SPG5. Monoclonal antibodies that inhibit proprotein convertase subtilisin-kexin type 9 (PCSK9) have emerged as a new class of drugs that effectively lower cholesterol levels. Evolocumab, a member of this class, is a fully human monoclonal antibody that reduces LDL cholesterol levels by approximately 60%. We thus performed this interventional trial with Evolocumab 420 mg for SPG5 patients.
Details
| Condition | Hereditary Spastic Paraplegia Type 5 |
|---|---|
| Treatment | Evolocumab |
| Clinical Study Identifier | NCT04101643 |
| Sponsor | First Affiliated Hospital of Fujian Medical University |
| Last Modified on | 16 February 2022 |
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