Good
Response to Hepatitis C Treatment in Patients with a History of Psychiatric Conditions
By
Liz Highleyman Some
prior studies have suggested that hepatitis C patients
with a history of psychiatric conditions
and substance use problems may experience
more psychiatric side effects, especially depression, related to the use of interferon-based
therapy. Thus, some clinicians have traditionally regarded such patients as
“difficult to treat.”
Two
recent studies, however, suggest that patients with a history of mental health
conditions can be successfully treated for hepatitis C, achieving response rates
similar to those of individuals without prior psychiatric diagnoses. Study
1 In
the first study, reported in the October 2007 issue of Hepatology,
M. Schaefer and colleagues assessed treatment with pegylated
interferon alpha plus ribavirin in 70 chronic hepatitis
C patients with varying psychiatric histories: ·
22 with
psychiatric disorders; ·
18
who had received methadone substitution therapy; ·
13
former drug users; ·
17
control subjects without prior psychiatric or addiction histories. Results ·
The
overall sustained
virological response (SVR) rate was 58.6%: o
50.0% for
all patients with a psychiatric history; o
53.8% for
former drug users; o
58.8% for
control subjects; o
72.2% for
methadone recipients. ·
Overall,
depression and psychotic symptom scores did not differ significantly between the
groups during treatment. ·
However,
the control subjects had lower pretreatment scores, and thus experienced a significantly
higher increase to reach similar maximum scores. ·
Methadone
recipients and former drug users had significantly higher treatment dropout rates. ·
In
a stepwise logistic regression model, sustained response was not predicted by
psychiatric history, past addiction, type of psychiatric diagnosis (affective
disorder, personality disorder, or schizophrenic disorder), depression scores
before or during treatment, change in depression score, or use of antidepressant
drugs. In
conclusion, the authors wrote, “In an interdisciplinary treatment setting, psychiatric
diseases and/or drug addiction did not negatively influence psychiatric tolerability
of and antiviral response rate to HCV treatment with [pegylated interferon alpha] and ribavirin.” Charité-Universitätsmedizin Berlin, Klinik und Poliklinik
für Psychiatrie und Psychotherapie-Campus Charité Mitte, Berlin, Germany. Study
2 In
the second study, published in the November 2007 American Journal of Gastroenterology,
A. Jakiche and colleagues looked at trends in depression
and use of psychiatric medications among 79 chronic hepatitis C patients receiving
interferon-based therapy at the Albuquerque Veterans Affairs
Medical Center.
More than half (58%) had a history of psychiatric conditions. Clinical
and psychiatric data were collected at baseline, at weeks 2, 4, 8, 12, and every
6 weeks thereafter. Depression was measured at each visit using the Center for
Epidemiologic Studies-Depression (CES-D) scale. Results ·
During interferon-based
therapy, patients with a psychiatric history had minor fluctuations in depression
scores compared with baseline. ·
Patients
with no prior psychiatric diagnosis experienced a significant increase in depression
scores, and were more likely to require the addition or increased dosing of antidepressant
medications (63.6% vs 39.1%; P= 0.04). ·
The
latter group also required sedatives or hypnotic drugs sooner (4.1 vs 8.9 weeks) after starting interferon (P= 0.01). ·
Increased
use of antidepressants led to a significant decrease in depression scores in both
groups at 4-6 weeks and 8-12 weeks, though they remained higher than baseline
scores. ·
The
overall SVR rate was 47.0%. The
study authors concluded that, “Hepatitis C patients with stable psychiatric history
can be successfully treated with interferon-based therapy if followed closely
by a multidisciplinary team that includes specialists in hepatitis C and behavioral
health.” Department of Medicine, Section of Gastroenterology, Albuquerque Veterans
Affairs Medical
Center, Albuquerque, NM. 12/11/07 References
M Schaefer, A Hinzpeter, A Mohmand, and others. Hepatitis
C treatment in "difficult-to-treat" psychiatric patients with pegylated interferon-alpha and ribavirin:
Response and psychiatric side effects. Hepatology 46(4): 991-998. October 2007.
A Jakiche, EC Paredez, PK Tannan, and others. Trend of depression and the use of
psychiatric medications in U.S. veterans
with hepatitis C during interferon-based therapy. American Journal of
Gastroenterology 102(11): 2426-2433. November 2007.
|