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|Titolo:||Cryoglobulinemia in hepatitis C virus chronic active hepatitis: Effects of interferon-alpha therapy|
|Autori interni:||CASARIL, Massimo|
GABRIELLI, Giovanni Battista
DE MARIA, Elena
|Data di pubblicazione:||1996|
|Rivista:||JOURNAL OF INTERFERON AND CYTOKINE RESEARCH|
|Abstract:||We investigated the prevalence of mixed cryoglobulinemia (MC) in 100 cases of chronic hepatitis C virus (HCV) infection and the effect of a 6-month treatment with interferon-alpha (IFN-alpha). Cryoglobulins were detected on admission in 36 of 100 patients and appeared during observation in a further 18 cases. Cryocrit ranged from 0.5% to 20%. Patients with MC were older and had a higher incidence of cirrhosis than those without MC. Immunologic characterization of the cryoprecipitate showed the presence of type II in 84% of cases and type III in 16%. The patients received IFN-alpha (6 MU three times per week) for 6 months. Fifty-seven were responders (i.e., reached normal aminotransferase levels), 26 of these relapsed within 2 months after IFN withdrawal, and 30 did not relapse. After IFN-alpha treatment, cryoglobulinemia disappeared in 11 of the 21 evaluable responders, but in none of the 15 nonresponder patients (p lt 0.003). The clearance of MC was associated in all cases with clearance of HCV RNA. The delayed appearance of cryoglobulinemia in responders seems to be associated with a higher probability of relapse.|
|Appare nelle tipologie:||01.01 Articolo in Rivista|
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