To verify its value with regard to the outcome of therapy in chronic hepatitis C, serum interferon-alpha (IFN) was measured by ELISA in 70 patients (43 male, 27 female) with chronic hepatitis C, treated with IFN 9 MU/week subcutaneously for up to one year. Serum IFN was detectable in 49/70 patients, 16 of whom had IFN values >125 pg/ml. Only 1/22 patients who maintained a sustained response six months after the end of treatment had pretreatment serum IFN > 125 pg/ml, in comparison to 15/48 patients who did not respond or who relapsed (chi2 6.1, P < 0.02). At multivariate analysis the predictive value of serum IFN was independent of age, sex, presence of cirrhosis, infection by genotype 1b (improvement chi2 7.1, P < 0.01). In patients with chronic hepatitis C, measurement of serum IFN at baseline might be useful for the selection of patients with higher probability of long-term response.

Endogenous interferon-alpha concentrations and outcome of interferon treatment in patients with chronic hepatitis C

TONIUTTO, Pierluigi;
1997-01-01

Abstract

To verify its value with regard to the outcome of therapy in chronic hepatitis C, serum interferon-alpha (IFN) was measured by ELISA in 70 patients (43 male, 27 female) with chronic hepatitis C, treated with IFN 9 MU/week subcutaneously for up to one year. Serum IFN was detectable in 49/70 patients, 16 of whom had IFN values >125 pg/ml. Only 1/22 patients who maintained a sustained response six months after the end of treatment had pretreatment serum IFN > 125 pg/ml, in comparison to 15/48 patients who did not respond or who relapsed (chi2 6.1, P < 0.02). At multivariate analysis the predictive value of serum IFN was independent of age, sex, presence of cirrhosis, infection by genotype 1b (improvement chi2 7.1, P < 0.01). In patients with chronic hepatitis C, measurement of serum IFN at baseline might be useful for the selection of patients with higher probability of long-term response.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11390/674786
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