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Does mianserin induce involuntary movements in brain damaged patients?
K Sparring Björkstén1, J Wålinder
1Department of Psychiatry, University Hospital, Linköping, Sweden.
International Clinical Psychopharmacology
|January 1, 1993
Abstract:
A case of involuntary movements reappearing during mianserin treatment after 33 years of absence in a 69-year-old woman is described. A noradrenergic alpha-2-receptor-mediated mechanism is suggested.
Insights
Involuntary movements returned in a 69-year-old woman during mianserin treatment after a 33-year hiatus. A noradrenergic alpha-2-receptor mechanism is proposed for these recurrent movement disorders.
Area of Science:
- Neuroscience
- Pharmacology
- Movement Disorders
Background:
- Mianserin is an antidepressant affecting noradrenergic and serotonergic systems.
- Involuntary movements, such as tremors or dyskinesia, can be side effects of certain medications.
- Recurrence of symptoms after long-term remission is uncommon but documented for some neurological conditions.
Observation:
- A 69-year-old woman experienced a recurrence of involuntary movements.
- These movements reappeared specifically during treatment with mianserin.
- The patient had a 33-year period without such movements prior to this mianserin course.
Findings:
- The reappearance of involuntary movements was temporally linked to mianserin administration.
- A potential mechanism involves noradrenergic alpha-2-receptor activity.
- This suggests a specific pharmacodynamic interaction causing symptom re-emergence.
Implications:
- This case highlights a potential idiosyncratic reaction to mianserin.
- Understanding the noradrenergic alpha-2-receptor mechanism could inform treatment strategies for movement disorders.
- Further research may clarify the role of this receptor in drug-induced movement abnormalities.