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  • Title: Binding of quinidine to plasma proteins in normal subjects and in patients with hyperlipoproteinemias.
    Author: Kates RE, Sokoloski TD, Comstock TJ.
    Journal: Clin Pharmacol Ther; 1978 Jan; 23(1):30-5. PubMed ID: 618708.
    Abstract:
    Quinidine in the plasma binds to various lipoproteins as well as to albumin. With the use of computer simulations the effect of varying the serum level of each of the lipoproteins as well as albumin was examined. The results suggested that the overall binding of quinidine is relatively insensitive to changes in any one serum protein provided the others are present in normal concentrations. Evaluation of the degree of protein binding of quinidine in plasma from normal subjects and patients with types IV and IIa hyperlipoproteinemias supported the computer predictions. The degree of protein binding in plasma from normal subjects and patients with types IV and IIA hyperlipoproteinemias were 71.2% +/- 11.4%, 75.9% +/- 8.7%, and 69.9% +/- 15.0%, respectively. The quinidine binding in plasma of patients with hyperlipoproteinemias did not differ statistically from that in the normal subjects.
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