Last updated on February 2020

Open-Label Study Of Efficacy and Safety Of AVR-RD-01 for Treatment -Naive Subjects With Classic Fabry Disease

Brief description of study

This is a multinational, open-label study to assess the efficacy and safety of AVR-RD-01 in approximately 8 to 12 male subjects 16 years of age or older and postpubertal with a confirmed diagnosis of classic Fabry disease based on deficient AGA enzyme activity who have not previously received treatment with enzyme replacement therapy (ERT) and/or chaperone therapy at the time of Screening.

Detailed Study Description

The duration of each subject's participation in this study will be approximately 58 weeks (or 1 year, 6 weeks), comprised of a five study periods (Screening, Baseline, Pre-transplant, Transplant, and Post-transplant Follow-up). During the Screening Period (approximately 4 weeks), written informed consent (and assent, if applicable) will be obtained and the subject will complete other Screening procedures to confirm study eligibility. Once study eligibility is confirmed, subjects will enter the Baseline Period (up to 3 days) during which time assessments will be performed to establish a pre-transplant baseline. Once baseline assessments are complete, the subject will enter the Pre-transplant Period (approximately 6 weeks) during which time mobilization, apheresis, AVR-RD-01 drug product preparation and testing for release, and conditioning regimen administration to achieve partial myeloablation will take place. Following completion of the Pre-transplant Period, the subject will enter the Transplant Period (1 day) during which time AVR-RD-01 infusion will take place. After AVR-RD-01 infusion, the subject will enter the Post-transplant Follow-up Period (approximately 48 weeks), during which time periodic safety and efficacy assessments will be performed to assess measures of engraftment, clinical response, and safety post-transplant. Post-transplant follow-up will occur at the following time points: Week 1 (Days 1 through 7), Week 2 (Days 10 and 14), Week 4 (Day 28), Week 8 (Day 56), Week 12 (Day 84), Week 24 (Day 168), Week 36 (Day 216), and Week 48 (Day 336).

After study completion, consenting subjects will continue periodic safety and efficacy assessments for approximately 14 years (for a total of 15 years post-transplant follow-up) in a long-term follow-up study to AVRO-RD-01-201.

Clinical Study Identifier: NCT03454893

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Royal Melbourne Hospital

Melbourne, Australia
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