NATIONAL COOPERATIVE GALLSTONE STUDY - THE EFFECT OF CHENODEOXYCHOLIC ACID ON LIPOPROTEINS AND APOLIPOPROTEINS

  • 1 January 1982
    • journal article
    • research article
    • Vol. 82  (4) , 638-646
Abstract
Subjects in the [USA] National Cooperative Gallstone Study undergoing 12 mo. of therapy with chenodeoxycholic acid for the dissolution of gallstones (low-dose, 375 mg/day, n = 252; high-dose, 750 mg/day, n = 253) had a mean increase in serum cholesterol of 20 mg/dl as compared with a 5 mg/dl increase in the placebo group (n = 258). The effect of chenodeoxycholic acid on lipoproteins was determined in a random subset of the high-dose (n = 136) and placebo (no. = 143) groups. For men, the mean baseline adjusted estimated low density lipoprotein cholesterol level at 12 mo. was significantly higher in the high-dose group than in the placebo group (159 vs. 148 mg/dl, P. < 0.01); among women, this difference was not demonstrated. Change in low density lipoprotein cholesterol level was inversely related to baseline cholesterol to an equivalent degree in each group among men and women. Women in the high-dose group had significantly lower very low density lipoprotein cholesterol levels than did the corresponding placebo group (27 vs. 32 mg/dl, P < 0.003). Very low density lipoprotein cholesterol levels did not differ significantly between the high dose and placebo group in men. Treatment did not significantly affect the levels of high density lipoprotein cholesterol or apoproteins A-I, A-II or B. Chenodeoxycholic acid therapy produces an increase in total cholesterol and low density lipoprotein cholesterol, but does not alter high density lipoprotein cholesterol levels.

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