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Study M298

Study name

Taylor MJ 2012a

Title

Early increase in marker of neuronal integrity with antidepressant treatment of major depression: 1H-magnetic resonance spectroscopy of N-acetyl-aspartate

Overall design

This study used magnetic resonance spectroscopy to assess effects of short-term treatment with escitalopram on N-acetyl-aspartate (NAA), a marker of neuronal integrity. Thirty-nine participants with major depression were randomly assigned to receive either 10 mg escitalopram (escitalopram group, n = 19) or placebo (placebo group, n = 21) daily in a double-blind, parallel group design. On the seventh day of treatment, PRESS data were obtained from a 30x30x20 mm voxel placed in medial frontal cortex. Age and gender-matched healthy controls (control group, n = 27) who received no treatment were also scanned. Metabolite quantification was reported relative to total creatine as the reference peak.

Study Type

Type1;

Type2;

Data available

Unavailable

Organism

Human;

Categories of depression

Depressive disorder; Depression; Depression;

Criteria for depression

DSM-IV diagnosed MDD

Sample size

66

Tissue

Central; Brain; Medial frontal cortex;

Platform

MRS; MRS: 3 T Siemens Trio (Erlangen, Germany) system;

PMID

22449253

DOI

10.1017/S1461145712000272

Citation

Taylor MJ, Godlewska BR, Norbury R, et al. Early increase in marker of neuronal integrity with antidepressant treatment of major depression: 1H-magnetic resonance spectroscopy of N-acetyl-aspartate. Int J Neuropsychopharmacol 2012;15(10):1541-6.

Metabolite

N-Acetyl aspartate/(Creatine and Phosphocreatine) ratio;

(N-Acetyl aspartate and N-Acetylglutamic acid)/(Creatine and Phosphocreatine) ratio;