rs11868362 - MSI2
Magnitude 4.5 · 1 study on file
Reported associations
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Genetic variation in FCER1A predicts peginterferon alfa-2a-induced hepatitis B surface antigen clearance in East Asian patients with chronic hepatitis B. - Journal of viral hepatitis (2020) · Wei L, Pavlovic V, Bansal AT, Chen X, Foster GR, He H, Kao JH, Lampertico P, Liaw YF, Motoc A, Papatheodoridis GV, Piratvisuth T, Plesniak R, Wat C · PubMed 30972912
In a multicentre, genome-wide association study to identify host genetic factors associated with treatment response in adult chronic hepatitis B patients, genotype data were obtained by microarray analysis from 1669 patients who received peginterferon alfa-2a for ≥ 24 weeks with/without a nucleos(t)ide analog. Treatment response was assessed at least 24 weeks post-treatment, using serological and/or virological endpoints. Thirty-six single-marker analyses and a gene-by-gene analysis were conducted. No single nucleotide polymorphisms (SNPs) achieved genome-wide significance (P < 5 × 10 ) in single-marker analyses, but suggestive associations (P < 1 × 10 ) were identified for 116 SNPs. In gene-by-gene analyses, one gene, FCER1A (rs7549785), reached genome-wide significance (P
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Lifestyle context
Concrete actions anchored to the cited research. We do not prescribe, we describe.
Discuss with your doctor
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rs11868362 genotyping for peginterferon alfa-2a treatment response Moderate
MSI2 rs11868362 is associated with differential peginterferon alfa-2a treatment response in chronic hepatitis B (effect size 2.941, p<0.000004, n=1636), suggesting genotype-guided dosing optimization may improve outcomes.
Request rs11868362 genotyping before starting or optimizing peginterferon alfa-2a therapy for hepatitis B; discuss results with your hepatologist.