“…13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 In comparison, metformin clearance with continuous renal replacement therapy is usually about one-fourth of that obtained with HD, and the half-life is at least 3 times as long. 21 , 22 , 23 , 24 , 25 , 26 , 27 However, because of metformin’s large volume of distribution, the significance of these data is debatable without quantifying metformin removal.…”