JAY W. MARKS, M.D.; SHU-PING LAN; RICHARD A. BAUM, M.D.; ROBERT L. HABIG, Ph.D.; RUSSELL F. HANSON, M.D.; THEODORE HERSH, M.D.; N.C. HIGHTOWER Jr, M.D.; ALAN F. HOFMANN, M.D.; JOHN M. LACHIN, Sc.D.; ELLIOTT C. LASSER, M.D.; HAGOP MEKHJIAN, M.D.; RONALD OKUN, M.D.; ROBERT A. SCHAEFER, M.D.; LESLIE J. SCHOENFIELD, M.D.; ROGER D. SOLOWAY, M.D.; JOHNSON L. THISTLE, M.D.; FRED B. THOMAS, M.D.; MALCOLM P. TYOR, M.D.
Chenodiol is a safe and effective agent for the medical dissolution of gallstones in selected patients; however, after dissolution and cessation of treatment, gallstones recur. This study was done to determine the recurrence rate after successful medical treatment and cessation of chenodiol therapy; compare the efficacy and safety of low-dose chenodiol, as compared to placebo, for prophylaxis against recurrence; and identify factors predictive of recurrence. In a randomized, double-blind fashion, 53 patients with gallstone dissolution received either chenodiol, 375 mg/d, or placebo, for at least 2 years. Standardized oral cholecystograms were done at 6 months, 1 year, and then yearly thereafter. Routine laboratory testing was done every 6 months. The cumulative rate of recurrence (life-table) was 27% in patients followed for up to 3.5 years. Chenodiol, 375 mg/d, was ineffective in preventing the recurrence of gallstones. No demographic, clinical, roentgenographic, or biochemical characteristics were predictive of recurrence.
MARKS JW, LAN S, BAUM RA, HABIG RL, HANSON RF, HERSH T, et al. Low-Dose Chenodiol to Prevent Gallstone Recurrence After Dissolution Therapy. Ann Intern Med. 1984;100:376–381. doi: 10.7326/0003-4819-100-3-376
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Published: Ann Intern Med. 1984;100(3):376-381.
Biliary Disorders, Gastroenterology/Hepatology.
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