Randomized multi-center, blinded intervention, two cohort , study whereby eligible participants will be randomized 1:1, prior to kidney biopsy, to 1 of 2 cohorts. Cohort 1 participants will undergo sham procedures and be followed for 5 years post last simulated injection.. Cohort 2 participants will receive 2 REACT injections 3 months apart (+30 days) and be followed for 5 years post last injection of the investigational product.