Aromatic L-amino Acid Decarboxylase Deficiency Clinical Trial
Official title:
An Open, Dose-escalating and Dose Confirmation Trial to Evaluate the Safety and Efficacy of VGN-R09b by Intra Putamen Injection in Patients With Severe Aromatic L-amino Acid Decarboxylase (AADC) Deficiency
This trial includes dose-escalating part (phase 1) and dose confirming part, to prove the safety and efficacy of VGN-R09b to treat patients with severe AADC deficiency
Aromatic L-amino acid decarboxylase (AADC) is an enzyme responsible for the final step in the synthesis of neurotransmitters dopamine and serotonin. AADC deficiency is a rare genetic disorder. VGN-R09b is a kind of Gene therapy with adeno-associated virus (AAV) serotype 9 (AAV9) driven human AADC (hAADC) being injected directly into putamen. This is an open, dose-escalating and dose confirming study. The sponsor plans to explore two dose levels (6.0×1011vg and 1.28×1012vg) in dose-escalating phase (three subjects each cohort), then plans to have 10 subjects enrolled for dose confirmation phase. This study is to give evidence for the safety and efficacy of VGN-R09b treatment for patients with severe Aromatic L-amino acid decarboxylase (AADC) deficiency. ;
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