All participants will undergo GFR (Iohexol Inj 300 MG/ML), ERPF (Aminohippurate Sodium Inj 20%) in addition to renal BOLD and ASL MRI.
Drug: Aminohippurate Sodium Inj 20%
Diagnostic aid/agent used to measure effective renal plasma flow (ERPF)
Sodium 4-amino hippurate (PAH) inj 20% 2g/10mL
Drug: Iohexol Inj 300 MG/ML
Diagnostic aid/agent used to measure glomerular filtration rate (GFR)
Other Name: omnipaque 300
Procedure: Renal Biopsy
Minimally invasive outpatient procedure in interventional radiology to obtain renal tissue cores.
Other Name: Kidney Biopsy
Source: View full study details on ClinicalTrials.gov
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