Bacterial infection and neutropenia during peginterferon plus ribavirin combination therapy in patients with chronic hepatitis C with and without baseline neutropenia in clinical practice.

Abstract:

BACKGROUND:Peginterferon-alpha-based therapy frequently leads to neutropenia. It remains unclear whether neutropenia is associated with bacterial infection in chronic hepatitis C (CHC). AIM:To evaluate the risk of bacterial infection and neutropenia in patients with CHC treated with peginterferon-alpha/ribavirin. METHODS:In all, 207 patients with CHC with (group A, n = 30) and without (group B, n = 177) baseline neutropenia were treated with peginterferon-alpha/ribavirin. RESULTS:Group A had significantly higher rates of moderate (<750 cells/microL) and severe (<500 cells/microL) neutropenia than group B (70.0% and 26.7% vs. 20.3% and 8.5% respectively, both P < 0.0001). The sustained virological response rate was similar between patients with and without neutropenia, at baseline or during treatment. Bacterial infection occurred in 4.3% of patients. Group A and patients with lower baseline neutrophil counts had substantially higher rates of bacterial infection. Patients with cirrhosis had significantly higher rates of infection during combination therapy than those without cirrhosis (15%, 3 of 20 vs. 3.2%, 6 of 187, P = 0.045). Nadir neutrophil counts were not correlated to infection episodes. CONCLUSIONS:Bacterial infection during peginterferon-based therapy for CHC was associated with comorbidity of cirrhosis, but not with neutropenia, whether at baseline or during treatment. Neutropenic CHC patients might be treated safely with close monitoring.

journal_name

Aliment Pharmacol Ther

authors

Yang JF,Hsieh MY,Hou NJ,Dai CY,Huang JF,Lin ZY,Chen SC,Hsieh MY,Wang LY,Chuang WL,Yu ML

doi

10.1111/j.1365-2036.2009.03957.x

subject

Has Abstract

pub_date

2009-05-01 00:00:00

pages

1000-10

issue

9

eissn

0269-2813

issn

1365-2036

pii

APT3957

journal_volume

29

pub_type

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