Age-related differences in response to peginterferon alfa-2a/ribavirin in patients with chronic hepa

来源 :World Journal of Gastroenterology | 被引量 : 0次 | 上传用户:tonyyuhua
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AIM: To evaluate the safety and efficacy of pegylated interferon alfa-2a and ribavirin therapy in elderly patients with chronic hepatitis C infection.METHODS: Patients characteristics, treatment results and safety profiles of 4859 patients with hepatitis c virus(HCV) infection receiving treatment with pegylatedinterferon alfa-2a and ribavirin were retrieved from a large ongoing German multicentre non-interventional study. Recommended treatment duration was 24 wk for GT 2 and GT 3 infection and 48 wk for GT 1 and GT 4 infection. Patients were stratified according to age(< 60 years vs ≥ 60 years). Because of limited numbers of liver biopsies for further assessment of liver fibrosis APRI(aspartate aminotransferase- platelet ratio index) was performed using pre-treatment laboratory data.RESULTS: Out of 4859 treated HCV patients 301(6.2%) were ≥ 60 years. There were more women(55.8% vs 34.2%, P < 0.001) and predominantly GT 1(81.4% vs 57.3%, P < 0.001) infected patients in the group of patients aged ≥ 60 years and they presented more frequently with metabolic(17.6% vs 4.5%, P < 0.001) and cardiovascular comorbidities(32.6% vs 6.7%, P < 0.001) and significant fibrosis and cirrhosis(F3/4 31.1% vs 14.0%, P = 0.0003). Frequency of dose reduction and treatment discontinuation were significantly higher in elderly patients(30.9% vs 13.7%, P < 0.001 and 47.8% vs 30.8%, P < 0.001). Main reason for treatment discontinuation was “virological non-response”(26.6% vs 13.6%). Sustained virological response(SVR) rates showed an age related difference in patients with genotype 1(23.7% vs 43.7%, P < 0.001) but not in genotype 2/3 infections(57.7% vs 64.6%, P = 0.341). By multivariate analysis, age and stage of liver disease were independent factors of SVR.CONCLUSION: Elderly HCV patients differ in clinical characteristics and treatment outcome from younger patients and demand special attention from their practitioner. AIM: To evaluate the safety and efficacy of pegylated interferon alfa-2a and ribavirin therapy in elderly patients with chronic hepatitis C infection. METHODS: Patients characteristics, treatment results and safety profiles of 4859 patients with hepatitis c virus (HCV) infection receiving treatment with pegylated interferon alfa-2a and ribavirin were retrieved from a large current German multicentre non-interventional study. Recommended treatment duration was 24 wk for GT 2 and GT 3 infection and 48 wk for GT 1 and GT 4 infection. Patients were stratified according to age ( <60 years vs ≥ 60 years. Because of limited numbers of liver biopsies for further assessment of liver fibrosis APRI (aspartate aminotransferase-platelet ratio index) was performed using pre-treatment laboratory data .RESULTS: Out of 4859 treated HCV patients 301 ( There were more women (55.8% vs 34.2%, P <0.001) and predominantly GT 1 (81.4% vs 57.3%, P <0.001). Infected patients in the group of patients aged ≥ 60 years and presented more frequently with metabolic (17.6% vs 4.5%, P <0.001) and cardiovascular comorbidities (32.6% vs 6.7%, P <0.001) and significant fibrosis and cirrhosis (F3 / 4 31.1% vs 14.0 %, P = 0.0003). Frequency of dose reduction and treatment discontinuation were significantly higher in elderly patients (30.9% vs 13.7%, P <0.001 and 47.8% vs 30.8%, P <0.001) virological non-response "(26.6% vs 13.6%). Sustained virological response (SVR) rates showed an age related difference in patients with genotype 1 (23.7% vs 43.7%, P <0.001) (57.7% vs 64.6%, P = 0.341). By multivariate analysis, age and stage of liver disease were independent factors of SVR. CONCLUSION: Elderly HCV patients differ in clinical characteristics and treatment outcome from younger patients and demand special attention from their practitioner .
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