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About
Phase I, open-label, single-arm, single-dose, trial of VGM-R02b (gene replacement therapy) in patients with Glutaric Acidemia Type I (GA-I) who meet enrollment criteria and are genetically confirmed by GCDH gene mutation. 1 to 3 patients aged≤ 6 years at the time of screening will be enrolled in each dose group in the dose escalation part. In the dose expansion part, the sample size will be statistically calculated and adjusted according to the efficacy and safety data in the dose escalation part.
Full description
This study consists of screening period, treatment period and postoperative monitoring period and follow-up period. During the screening period (Days -28 to -1), patients whose parent(s)/legal guardian(s) provide informed consent will complete screening procedures to determine eligibility for trial enrollment. Eligible subjects will be admitted to the clinical research center before surgical administration to complete the preoperative examination and determine the surgical plan. Ommaya fluid reservoir capsule implantation will be used in this study (if there were problems with Ommaya implantation, intra-cerebroventricular injection could also be used for drug administration). The day of administration set to be D1. Prophylactic immunosuppressive therapy including Methylprednisolone, Prednisolone and Rapamycin was initiated on D1. Then all the examinations during the 7-day postoperative observation period will be completed based on the evaluation time point specified in the Schedule of Assessments table. Subjects may be discharged 7 days after the infusion, based on Investigator judgment. During the outpatient follow-up period (up to 52 weeks after administration), subjects will return at regularly scheduled intervals for efficacy and safety assessments until the End of Trial. After the End of Trial visit, eligible patients will be asked to participate into the long-term follow up trial.
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12 participants in 1 patient group
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Central trial contact
Xianfeng Wang
Data sourced from clinicaltrials.gov
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