Gallstone dissolution by chenodeoxycholic acid and phenobarbital
- PMID: 352139
Gallstone dissolution by chenodeoxycholic acid and phenobarbital
Abstract
Gallstone dissolution and biliary lipids were determined and compared in patients receiving either chenodeoxycholic acid (CDC), or CDC and phenobarbital (PB) for 11/2 to 2 years. Among patients with radiolucent gallstones, dissolution occurred in 53% of those receiving CDC alone and in only 25% of those receiving both CDC and PB. No dissolution occurred in 13 other patients with calcified gallstones. Patients with dissolution had a significantly greater molar percentage of CDC and a significantly lower saturation index in bile than those without dissolution. Diarrhea and transiently abnormal liver function tests were the most frequently observed side-effects but only diarrhea necessitated a reduction of the CDC dose. Gallstones recurred following dissolution in one of six patients followed for six months after discontinuation of CDC. In conclusion, PB did not enhance CDC-induced desaturation of bile or gallstone dissolution.
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