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Interferon beta-1a-induced depression and suicidal ideation in multiple sclerosis
Marco Aurélio Lana-Peixoto1, Antônio Lúcio Teixeira, Vitor Geraldi Haase
1Minas Gerais Center for Investigation of Multiple Sclerosis, Medical School, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil. lanapma@uol.com.br
Arquivos De Neuro-Psiquiatria
|October 5, 2002
Summary
High doses of interferon beta-1a may trigger depression and suicidal thoughts in multiple sclerosis (MS) patients. Symptoms reversed upon drug withdrawal, suggesting a potential link between MS treatment and mood disorders.
Area of Science:
- Neurology
- Psychiatry
Background:
- Multiple sclerosis (MS) is a chronic neurological disease.
- Depression and suicidal ideation are known potential comorbidities in MS patients.
- Interferon beta therapies are used for MS management, with some evidence suggesting a link to mood disturbances.
Observation:
- A 21-year-old male MS patient, with no prior history of affective disorders, was treated with interferon beta-1a.
- Following an MS relapse, the dosage of interferon beta-1a was increased from 11 to 22 micrograms three times weekly.
- The patient subsequently developed symptoms including increased worry, irritability, discouragement, and suicidal thoughts.
Findings:
- The patient's depressive symptoms and suicidal ideation emerged concurrently with the dose escalation of interferon beta-1a.
- Complete reversal of mood symptoms and suicidal thoughts was observed after the discontinuation of interferon beta-1a therapy.
Implications:
- This case highlights a potential association between higher doses of interferon beta-1a and the onset of depression and suicidal ideation in MS patients.
- Clinicians should carefully monitor mood changes in MS patients undergoing interferon beta-1a treatment, especially at increased dosages.
- Further research is warranted to elucidate the mechanisms underlying this potential adverse effect and inform treatment guidelines.