Meta-analysis

IL28B polymorphisms predict sustained viral response in HCV patients treated with pegylated interferon-α and ribavirin

Y. Chen, H. X. Xu, L. J. Wang, X. X. Liu, Ram I Mahato, Y. R. Zhao

Research output: Contribution to journalArticle

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Abstract

Background Interleukin (IL) 28B single nucleotide polymorphisms can predict sustained virological response (SVR) in hepatitis C virus (HCV) patients following pegylated interferon-alpha (PEG IFN-α) and ribavirin treatment. Aim To design a meta-analysis to determine IL28B genotypes', rs12979860 CC and rs8099917 TT, correlation with SVR in PEG IFN-α/ribavirin-treated HCV patients. Methods Meta-analysis was performed in 17 studies of rs12979860 CC vs. CT/TT and 17 of rs8099917 TT vs. TG/GG. Odds ratios (OR) and confidence intervals (95% CI) were calculated by fixed- or random-effects models. Heterogeneity, sensitivity analysis and publication bias were also assessed. Results Of 4252 Asian, Caucasian and African HCV patients analysed for rs12979860, SVR was more frequent in CC (vs. CT/TT; OR = 4.76, 95% CI: 3.15-7.20). Moreover, CC was associated with SVR for HCV genotype-1 or -4 infections (OR genotype 1 = 5.52, 95% CI: 3.74-8.15; OR genotype 4 = 8.11, 95% CI: 4.13-15.93), regardless of ethnicity. Of 4549 Caucasian and Asian HCV patients analysed for rs8099917, SVR was more frequent in TT (vs. TG/GG; OR = 3.31, 95% CI: 2.39-4.59). Moreover, TT was associated with SVR for HCV-1 (OR genotype 1 = 4.28, 95% CI: 2.87-6.38). Rs8099917 TT predictive value was stronger in Asians (OR Asians = 8.09, 95% CI: 5.63-11.61; OR C aucasians = 3.00, 95% CI: 2.03-4.45). Ethnicity stratification revealed that rs8099917 TT had slight predictive value in Asian HCV-2/3 patients (OR = 1.99, 95% CI: 1.09-3.62). Conclusions IL28B rs12979860 CC and rs8099917 TT are strong SVR predictors for PEG IFN-α/ribavirin-treated HCV-1 patients, regardless of ethnicity. In HCV-2/3, rs12979860 CC has no SVR predictive value, but rs8099917 TT was slightly associated with SVR in Asians.

Original languageEnglish (US)
Pages (from-to)91-103
Number of pages13
JournalAlimentary Pharmacology and Therapeutics
Volume36
Issue number2
DOIs
StatePublished - Jul 1 2012

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Ribavirin
Hepacivirus
Interferons
Meta-Analysis
Odds Ratio
Genotype
Interferon-alpha
Publication Bias
Interleukins
Single Nucleotide Polymorphism
Confidence Intervals

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology
  • Pharmacology (medical)

Cite this

Meta-analysis : IL28B polymorphisms predict sustained viral response in HCV patients treated with pegylated interferon-α and ribavirin. / Chen, Y.; Xu, H. X.; Wang, L. J.; Liu, X. X.; Mahato, Ram I; Zhao, Y. R.

In: Alimentary Pharmacology and Therapeutics, Vol. 36, No. 2, 01.07.2012, p. 91-103.

Research output: Contribution to journalArticle

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title = "Meta-analysis: IL28B polymorphisms predict sustained viral response in HCV patients treated with pegylated interferon-α and ribavirin",
abstract = "Background Interleukin (IL) 28B single nucleotide polymorphisms can predict sustained virological response (SVR) in hepatitis C virus (HCV) patients following pegylated interferon-alpha (PEG IFN-α) and ribavirin treatment. Aim To design a meta-analysis to determine IL28B genotypes', rs12979860 CC and rs8099917 TT, correlation with SVR in PEG IFN-α/ribavirin-treated HCV patients. Methods Meta-analysis was performed in 17 studies of rs12979860 CC vs. CT/TT and 17 of rs8099917 TT vs. TG/GG. Odds ratios (OR) and confidence intervals (95{\%} CI) were calculated by fixed- or random-effects models. Heterogeneity, sensitivity analysis and publication bias were also assessed. Results Of 4252 Asian, Caucasian and African HCV patients analysed for rs12979860, SVR was more frequent in CC (vs. CT/TT; OR = 4.76, 95{\%} CI: 3.15-7.20). Moreover, CC was associated with SVR for HCV genotype-1 or -4 infections (OR genotype 1 = 5.52, 95{\%} CI: 3.74-8.15; OR genotype 4 = 8.11, 95{\%} CI: 4.13-15.93), regardless of ethnicity. Of 4549 Caucasian and Asian HCV patients analysed for rs8099917, SVR was more frequent in TT (vs. TG/GG; OR = 3.31, 95{\%} CI: 2.39-4.59). Moreover, TT was associated with SVR for HCV-1 (OR genotype 1 = 4.28, 95{\%} CI: 2.87-6.38). Rs8099917 TT predictive value was stronger in Asians (OR Asians = 8.09, 95{\%} CI: 5.63-11.61; OR C aucasians = 3.00, 95{\%} CI: 2.03-4.45). Ethnicity stratification revealed that rs8099917 TT had slight predictive value in Asian HCV-2/3 patients (OR = 1.99, 95{\%} CI: 1.09-3.62). Conclusions IL28B rs12979860 CC and rs8099917 TT are strong SVR predictors for PEG IFN-α/ribavirin-treated HCV-1 patients, regardless of ethnicity. In HCV-2/3, rs12979860 CC has no SVR predictive value, but rs8099917 TT was slightly associated with SVR in Asians.",
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T2 - IL28B polymorphisms predict sustained viral response in HCV patients treated with pegylated interferon-α and ribavirin

AU - Chen, Y.

AU - Xu, H. X.

AU - Wang, L. J.

AU - Liu, X. X.

AU - Mahato, Ram I

AU - Zhao, Y. R.

PY - 2012/7/1

Y1 - 2012/7/1

N2 - Background Interleukin (IL) 28B single nucleotide polymorphisms can predict sustained virological response (SVR) in hepatitis C virus (HCV) patients following pegylated interferon-alpha (PEG IFN-α) and ribavirin treatment. Aim To design a meta-analysis to determine IL28B genotypes', rs12979860 CC and rs8099917 TT, correlation with SVR in PEG IFN-α/ribavirin-treated HCV patients. Methods Meta-analysis was performed in 17 studies of rs12979860 CC vs. CT/TT and 17 of rs8099917 TT vs. TG/GG. Odds ratios (OR) and confidence intervals (95% CI) were calculated by fixed- or random-effects models. Heterogeneity, sensitivity analysis and publication bias were also assessed. Results Of 4252 Asian, Caucasian and African HCV patients analysed for rs12979860, SVR was more frequent in CC (vs. CT/TT; OR = 4.76, 95% CI: 3.15-7.20). Moreover, CC was associated with SVR for HCV genotype-1 or -4 infections (OR genotype 1 = 5.52, 95% CI: 3.74-8.15; OR genotype 4 = 8.11, 95% CI: 4.13-15.93), regardless of ethnicity. Of 4549 Caucasian and Asian HCV patients analysed for rs8099917, SVR was more frequent in TT (vs. TG/GG; OR = 3.31, 95% CI: 2.39-4.59). Moreover, TT was associated with SVR for HCV-1 (OR genotype 1 = 4.28, 95% CI: 2.87-6.38). Rs8099917 TT predictive value was stronger in Asians (OR Asians = 8.09, 95% CI: 5.63-11.61; OR C aucasians = 3.00, 95% CI: 2.03-4.45). Ethnicity stratification revealed that rs8099917 TT had slight predictive value in Asian HCV-2/3 patients (OR = 1.99, 95% CI: 1.09-3.62). Conclusions IL28B rs12979860 CC and rs8099917 TT are strong SVR predictors for PEG IFN-α/ribavirin-treated HCV-1 patients, regardless of ethnicity. In HCV-2/3, rs12979860 CC has no SVR predictive value, but rs8099917 TT was slightly associated with SVR in Asians.

AB - Background Interleukin (IL) 28B single nucleotide polymorphisms can predict sustained virological response (SVR) in hepatitis C virus (HCV) patients following pegylated interferon-alpha (PEG IFN-α) and ribavirin treatment. Aim To design a meta-analysis to determine IL28B genotypes', rs12979860 CC and rs8099917 TT, correlation with SVR in PEG IFN-α/ribavirin-treated HCV patients. Methods Meta-analysis was performed in 17 studies of rs12979860 CC vs. CT/TT and 17 of rs8099917 TT vs. TG/GG. Odds ratios (OR) and confidence intervals (95% CI) were calculated by fixed- or random-effects models. Heterogeneity, sensitivity analysis and publication bias were also assessed. Results Of 4252 Asian, Caucasian and African HCV patients analysed for rs12979860, SVR was more frequent in CC (vs. CT/TT; OR = 4.76, 95% CI: 3.15-7.20). Moreover, CC was associated with SVR for HCV genotype-1 or -4 infections (OR genotype 1 = 5.52, 95% CI: 3.74-8.15; OR genotype 4 = 8.11, 95% CI: 4.13-15.93), regardless of ethnicity. Of 4549 Caucasian and Asian HCV patients analysed for rs8099917, SVR was more frequent in TT (vs. TG/GG; OR = 3.31, 95% CI: 2.39-4.59). Moreover, TT was associated with SVR for HCV-1 (OR genotype 1 = 4.28, 95% CI: 2.87-6.38). Rs8099917 TT predictive value was stronger in Asians (OR Asians = 8.09, 95% CI: 5.63-11.61; OR C aucasians = 3.00, 95% CI: 2.03-4.45). Ethnicity stratification revealed that rs8099917 TT had slight predictive value in Asian HCV-2/3 patients (OR = 1.99, 95% CI: 1.09-3.62). Conclusions IL28B rs12979860 CC and rs8099917 TT are strong SVR predictors for PEG IFN-α/ribavirin-treated HCV-1 patients, regardless of ethnicity. In HCV-2/3, rs12979860 CC has no SVR predictive value, but rs8099917 TT was slightly associated with SVR in Asians.

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