Depression During Pegylated Interferon-Alpha Plus Ribavirin Therapy: Prevalence and Prediction

Charles L. Raison, MD; Andrey S. Borisov, MD, MPH.; Sherry D. Broadwell, PhD; Lucile Capuron, PhD; Bobbi J. Woolwine, MSW.; Ira M. Jacobson, MD; Charles B. Nemeroff, MD, PhD; and Andrew H. Miller, MD

Published: January 15, 2005

Article Abstract

Background: Interferon-alpha (IFN-alpha) plus ribavirin is used to treat hepatitis C virus (HCV) infection and is associated with a highrate of depression. Newer, pegylated preparations of IFN-alpha have a longer half-life, require once-per-week dosing, and may be associated with reduced neuropsychiatric burden. Limited data exist on depression during pegylated IFN-alpha therapy.

Method: Depressive symptoms were assessed using the Zung Self-Rating Depression Scale (SDS) in 162 HCV-infected patients at baseline and after 4, 8, 12, and 24 weeks of treatment with pegylated IFN alpha-2b (PEG IFN) plus weight-based (N = 86) versus standard dose (N = 76) ribavirin. Data were collected from March 2001 to April 2003.

Results: Compared with baseline, mean SDS index scores were significantly increased by week 4 and remained elevated throughout the study. Thirty-nine percent of the sample experienced moderate to severe depressive symptoms (SDS index score >= 60) at some point during PEG IFN/ribavirin therapy. Baseline depression scores significantly predicted severity of depressive symptoms during PEG IFN/ribavirin treatment (simple regression analysis: Y = 0.55X + 32.7, p < .0001). In addition, assignment to weight-based ribavirin treatment and history of depression were associated with increased likelihood of developing moderate to severe depressive symptoms (odds ratio [OR] = 2.7, 95% CI = 1.3 to 5.6, p < .01, and OR = 3.3, 95% CI = 1.3 to 8.1, p < .01, respectively).

Conclusions: Development of moderate to severe depressive symptoms occurred frequently during PEG IFN/ribavirin treatment and was predicted by baseline depression scores and higher doses of ribavirin. History of major depressive disorder was also a significant predictive factor, but only through association with elevated baseline depression status. All of these factors can be evaluated and addressed to limit neuropsychiatric morbidity during HCV treatment.

Volume: 66

Quick Links: Depression (MDD)

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