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The familial cholestatic diseases Benign Recurrent Intrahepatic Cholestasis (BRIC) and Progessive Familial Intrahepatic Cholestasis type 1 (PFIC1) are characterized by intermittent or permanently elevated plasma bile salt levels, therapy-resistant extreme pruritus and peculiar biochemical abnormalities including low apolipoprotein apo A-I. Previously, symptomatic improvement has been demonstrated in BRIC patients after extracorporal albumin dialysis (MARS). We hypothesized that MARS improves cholestasis, induces changes in the bile salt profile and normalizes apo A-I serum levels in BRIC. A 17-year-old-female patient with BRIC experienced an episode of cholestasis lasting for more than 6 months with extreme pruritus and diarrhoea not responding to standard therapy. During a period of five days the patient was treated 3 x 8 h with MARS. The procedures were well tolerated and resulted in reduction of plasma bile salts by 58%. The plasma bile salt profile changed into a more hydrophilic composition after MARS. Diarrhoea discontinued and the pruritus improved significantly from 9 to 4 on a subjective scale. These effects lasted 4 months until a relapse occurred. Low plasma apo A-I levels (0.52 g/l) normalized after MARS (0.98 g/l). The procedures were well tolerated. Fatigue was noted as the only transient side-effect. In conclusion, MARS may induce a long-term symptomatic improvement and decrease of cholestatic markers in BRIC. Further studies evaluating efficacy and mechanism of MARS in patients with BRIC are needed.

The familial cholestatic diseases Benign Recurrent Intrahepatic Cholestasis (BRIC) and Progessive Familial Intrahepatic Cholestasis type 1 (PFIC1) are characterized by intermittent or permanently elevated plasma bile salt levels, therapy-resistant extreme pruritus and peculiar biochemical abnormalities including low apolipoprotein apo A-I. Previously, symptomatic improvement has been demonstrated in BRIC patients after extracorporal albumin dialysis (MARS). We hypothesized that MARS improves cholestasis, induces changes in the bile salt profile and normalizes apo A-I serum levels in BRIC. A 17-year-old-female patient with BRIC experienced an episode of cholestasis lasting for more than 6 months with extreme pruritus and diarrhoea not responding to standard therapy. During a period of five days the patient was treated 3 x 8 h with MARS. The procedures were well tolerated and resulted in reduction of plasma bile salts by 58%. The plasma bile salt profile changed into a more hydrophilic composition after MARS. Diarrhoea discontinued and the pruritus improved significantly from 9 to 4 on a subjective scale. These effects lasted 4 months until a relapse occurred. Low plasma apo A-I levels (0.52 g/l) normalized after MARS (0.98 g/l). The procedures were well tolerated. Fatigue was noted as the only transient side-effect. In conclusion, MARS may induce a long-term symptomatic improvement and decrease of cholestatic markers in BRIC. Further studies evaluating efficacy and mechanism of MARS in patients with BRIC are needed.