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Background/Aims: Whether primary biliary cirrhosis (PBC) autoimmune hepatitis (AIH) overlap syndrome requires immunosuppressive therapy in addition to ursodeoxycholic acid (UDCA) is a controversial issue. Methods: Seventeen patients with simultaneous form of strictly defined overlap were followed for 7.5 years. First-line treatment was UDCA alone (UDCA) in 11 and combination of immunosuppressors and UDCA (UDCA+ IS) in 6. Results: Characteristics at presentation were not significantly different between the 2 groups. In the UDCA+ IS group (f-up 7.3 years), biochemical response in terms of AIH features (ALT< 2ULN and IgG< 16 g/L) was achieved in 4/6 and fibrosis did not progress. In the UDCA group, biochemical response was observed in three patients together with stable or decreased fibrosis (f-up 4.5 years) whereas the eight others were non-responders with increased fibrosis in four (f-up 1.6 years). Seven of these eight patients subsequently received combined therapy for 3 years. Biochemical response was obtained in 6/7 and no further increase of fibrosis was demonstrated. Overall, fibrosis progression in non-cirrhotic patients occurred more frequently under UDCA monotherapy (4/8) than under combined therapy (0/6) (P=0.04). Conclusions: Combination of UDCA and immunosuppressors appears to be the best therapeutic option for strictly defined PBC-AIH overlap syndrome.
Background / Aims: Whether primary biliary cirrhosis (PBC) autoimmune hepatitis (AIH) overlap syndrome requires immunosuppressive therapy in addition to ursodeoxycholic acid (UDCA) is a controversial issue. Methods: Seventeen patients with simultaneous form of strictly defined overlap were followed for 7.5 years . First-line treatment was UDCA alone (UDCA) in 11 and combination of immunosuppressors and UDCA (UDCA + IS) in 6. Results: Characteristics at presentation were not significantly different between the 2 groups. In the UDCA + IS group years), biochemical response in terms of AIH features (ALT <2ULN and IgG <16 g / L) was achieved in 4/6 and fibrosis did not progress. In the UDCA group, biochemical response was observed in three patients together with stable or decreased fibrosis (f-up 4.5 years) whereas the eight others were non-responders with increased fibrosis in four (f-up 1.6 years). Seven of these eight patients received received combined therapy for 3 years. Bioche Overall, fibrosis progression in non-cirrhotic patients occurred more frequently under UCDCA monotherapy (4/8) than under combined therapy (0/6) (P = 0.04 Conclusions: Combination of UDCA and immunosuppressors appears to be the best therapeutic option to make the defined PBC-AIH overlap syndrome.