Randomized Cross-over Trial of Sodium Bicarbonate on Muscle Mitochondrial Energetics and Physical Endurance in Chronic Kidney Disease and Metabolic Acidosis
Skeletal muscle metabolic health is critical for mobility and an underrecognized target of metabolic acidosis in chronic kidney disease. Impaired muscle mitochondrial metabolism underlies poor physical endurance increasing the risk of mobility disability. The proposed project will use precise in vivo tools to study the pathophysiology of poor physical endurance in a clinical trial treating metabolic acidosis among persons living with chronic kidney disease.
• Moderate-severe CKD determined by eGFR \<50ml/min per 1.73m2 by CKD EPI equation on at least 2 consecutive occasions.
• Metabolic acidosis defined as bicarbonate level\<24 on two consecutive occasions. Bicarbonate level of 24 or less allowed if eGFR\<=45ml/min per 1.73m2
• Age 21 to 85 years old