This is a Phase 1, open-label, multi-center study of the safety, pharmacodynamics, and pharmacokinetics of RG-012 administered to subjects with Alport syndrome.

This is a Phase 1, multi-center study of the safety, pharmacodynamics, and pharmacokinetics of RG-012 administered to subjects with Alport syndrome. During this open-label study, all eligible subjects will receive RG-012. The study consists of two parts (Part A and Part B). During Part A, half of the participants will receive a single dose of RG-012 and half will receive 4 doses of RG-012 (one dose every other week for 6 weeks). All subjects will undergo two renal biopsies, one before and one after receiving RG-012, to assess the effect of RG-012 on the kidney. After completing Part A, subjects will be able to enter Part B of the study. During Part B, all subjects will receive RG-012 every other week for 48 weeks.

Inclusion Criteria:

1. Males or females, ages 18 to 65 years
2. Confirmed diagnosis of Alport syndrome
3. eGFR between 40 and 90 mL/min/1.73m2
4. Proteinuria of at least 300 mg protein/g creatinine
5. For subjects taking an ACE inhibitor or an ARB, the dosing regimen should be stable for at least 30 days prior to screening
6. Willing to comply with contraception requirements

Exclusion Criteria:

1. Causes of chronic kidney disease aside from Alport syndrome (such as diabetic nephropathy, hypertensive nephropathy, lupus nephritis, or IgA nephropathy)
2. End stage renal disease (ESRD) as evidenced by ongoing dialysis therapy or history of renal transportation
3. Any other condition that may pose a risk to the subject's safety and well-being
4. Female subjects who are pregnant or lactating

Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org