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  • Title: Outcome of chronic hepatitis C patients who required early termination of pegylated interferon-alpha plus ribavirin combination therapy.
    Author: Yu ML, Dai CY, Lee LP, Hsieh MY, Hou NJ, Huang JF, Lin ZY, Chen SC, Hsieh MY, Wang LY, Chang WY, Chuang WL.
    Journal: Antivir Ther; 2006; 11(8):1015-9. PubMed ID: 17302371.
    Abstract:
    BACKGROUND: Pegylated interferon/ribavirin (peg-IFN/RBV) combination therapy is effective for chronic hepatitis C (CHC) but frequently causes adverse events, leading to early termination. Little is known about the outcome of CHC patients who required early termination. METHODS: Of 617 treatment-naive CHC patients prescribed a 24-week protocol of peg-IFN/RBV, 29 (4.7%) patients who terminated treatment early at <20 weeks were recruited to evaluate the rate of and the factors associated with sustained virological response (SVR), defined as seronegativity of hepatitis C virus (HCV) RNA throughout the 24-week off-treatment follow-up period. RESULTS: The reasons for early termination were flu-like symptoms/signs (n=9, 31.0%), irritability (n=1, 3.4%), severe urticaria (n=1, 3.4%), insomnia (n=2, 6.9%), pulmonary tuberculosis (n=1, 3.4%/o), suicide idea (n=2, 6.9%), poor response (n=2, 6.9%), depression (n=2, 6.9%), unwilling to continue (n=1, 3.4%), mortality (n=1, 3.4%), gastrointestinal upset (n=1, 3.4%), pancytopenia complicated with cellulitis (n=1, 3.4%), anaemia (n=3, 10.3%), overseas work (n=1, 3.4%) and an unknown cause (n=1, 3.4%). Five (17.2%) patients achieved an SVR, comprising none of 16 HCV genotype-1 and five of the 13 (38.5%) genotype-2 patients (P=0.001). All sustained responders were HCV RNA seronegative at week 4 of treatment. The SVR rate among HCV-2 patients was 0% (0/1), 0% (0/2), 25% (1/4), 33% (1/3) and 100% (3/3) in those who received peg-IFN/RBV for 1-3, 4-7, 8-11, 12-15 and 16-19 weeks, respectively (P=0.019, chi2 with linear trend). CONCLUSIONS: Based on this limited study, we observed that an SVR might be achieved in patients who required early termination of a 24-week regimen of peg-IFN/RBV, especially for HCV-2 patients with HCV RNA seronegativity at week 4.
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