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Predictive Value of Amino Acids in the Treatment of Major Depression with Fluvoxamine
- Source :
- Neuropsychobiology. 44:134-138
- Publication Year :
- 2001
- Publisher :
- S. Karger AG, 2001.
-
Abstract
- Sixteen outpatients (mean age ± SD 50.18 ± 11.55 years; 11 females and 5 males) affected by major depression without melancholia (DSM-IV) were included in the study. The control group consisted of 11 healthy volunteers (mean age ± SD 39.90 ± 13.39 years; 2 females and 9 males). Patients were treated with fluvoxamine (FVX) 100â300 mg daily. Clinical assessment was performed using the Hamilton Rating Scales for Anxiety and Depression (HRS-A; HRS-D) and the Clinical Global Impression Scale (CGI) at basal time (Tâ), after 4 weeks and after 8 weeks (T8). Plasma and platelet amino acid levels were determined at Tâ in all the subjects and also at T8 in depressed patients. A significant clinical improvement was observed in depressed patients according to the HRS-A (p = 0.004), HRS-D (p = 0.008) and CGI (p = 0.002). A negative correlation (r = â0.53, p = 0.049) was found between platelet levels of valine and HRS-D improvement rate. Patients showed significantly higher tyrosine/large neutral amino acids (LNAAs) and lower tryptophan/LNAAs, ratios which could represent an index of good response to a serotonergic drug like FVX.
- Subjects :
- Adult
Blood Platelets
Male
medicine.medical_specialty
Fluvoxamine
Predictive Value of Tests
Internal medicine
Melancholia
medicine
Humans
Amino Acids
Psychiatry
Biological Psychiatry
Depression (differential diagnoses)
Aged
chemistry.chemical_classification
Analysis of Variance
Depressive Disorder, Major
Mean age
Middle Aged
Predictive value
Amino acid
Psychiatry and Mental health
Neuropsychology and Physiological Psychology
chemistry
Predictive value of tests
Female
Analysis of variance
medicine.symptom
Psychology
Selective Serotonin Reuptake Inhibitors
medicine.drug
Subjects
Details
- ISSN :
- 14230224 and 0302282X
- Volume :
- 44
- Database :
- OpenAIRE
- Journal :
- Neuropsychobiology
- Accession number :
- edsair.doi.dedup.....968328a82bdfe137decd1a1e4274a617