Irritability rather than depression during interferon treatment is linked to increased tryptophan catabolism

S Russo, IP Kema, EB Haagsma, JC Boon… - Psychosomatic …, 2005 - journals.lww.com
Objective: Treatment with recombinant interferon is associated with high rates of psychiatric
comorbidity. We investigated the relation between catabolism of the essential amino acid …

Three Cases of Successful Tryptophan Add-On or Monotherapy of Hepatitis C and IFNα-Associated Mood Disorders

M Schaefer, J Winterer, R Sarkar, R Uebelhack… - Psychosomatics, 2008 - Elsevier
Background Interferon-alpha (IFN α)-associated mood disorder is a major complication of
treatment for chronic hepatitis C. Method The authors report on three patients infected with …

HCV patients, psychopathology and tryptophan metabolism: analysis of the effects of pegylated interferon plus ribavirin treatment

AL Zignego, A Cozzi, R Carpenedo, C Giannini… - Digestive and Liver …, 2007 - Elsevier
Aims: Depression and other psychiatric disorders are frequent in HCV-infected patients,
especially during interferon treatment. The molecular mechanism (s) maderlying this finding …

Impact of interferon alpha immunotherapy on tryptophan metabolism in patients with chronic hepatitis C. Results of a pilot studies on ten patients

J Vignau, O Costisella, V Canva, M Imbenotte… - L'encephale, 2008 - europepmc.org
Method Patients. Ten patients (mean [SD] age 45 years [12.7], range 29-63; three males,
seven females) with chronic hepatitis C eligible to receive IFN-alpha (1.5 microg/kg/week …

Increased depressive ratings in patients with hepatitis C receiving interferon-α–based immunotherapy are related to interferon-α–induced changes in the serotonergic …

S Bonaccorso, V Marino, A Puzella… - Journal of clinical …, 2002 - journals.lww.com
There is now evidence that repeated administration of interferon-α (IFN-α) to patients with
chronic active hepatitis and cancers induces depressive symptoms. There is also evidence …

Interferon-α influences tryptophan metabolism without inducing psychiatric side effects

M Bannink, D Fekkes, AR Van Gool, WHJ Kruit… - …, 2007 - karger.com
Abstract Background: Interferon-α (IFN-α) treatment is often associated with psychiatric side
effects and has been found to lower the amount of tryptophan (TRP) available to the brain …

[HTML][HTML] Disturbances of tryptophan metabolism and risk of depression in HCV patients treated with IFN-alpha

GF Oxenkrug, WA Turski, W Zgrajka… - Journal of infectious …, 2014 - ncbi.nlm.nih.gov
Depression is a common side-effect of interferon (IFN)-alpha treatment of hepatitis C virus
(HCV) infection and melanoma. Disturbances of tryptophan (TRP) metabolism might …

Interferon-induced depression: prevalence and management

A Scalori, M Pozzi, V Bellia, P Apale… - Digestive and Liver …, 2005 - Elsevier
BACKGROUND.: Interferon-induced depression ranges from 0 to 50%. Interferon schedule
and a history of psychiatric illnesses are not enough to predict who will develop symptoms …

Effects of PEG-interferon alpha plus ribavirin on tryptophan metabolism in patients with chronic hepatitis C

S Comai, L Cavalletto, L Chemello… - Pharmacological …, 2011 - Elsevier
The currently recommended therapy for chronic hepatitis C (HCV) is a combination of
pegylated interferon-alpha (PEG-IFN alpha) and ribavirin. Psychiatric disorders, including …

Psychological and behavioural effects of interferons

S Bonaccorso, H Meltzer, M Maes - Current Opinion in Psychiatry, 2000 - journals.lww.com
Immunotherapy with interferons may induce neuropsychiatric symptoms and disorders.
Interferon-α-based immunotherapy is used to treat patients with chronic hepatitis C and …