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Study M358

Study name

Taylor M 2008

Title

Differential effects of citalopram and reboxetine on cortical Glx measured with proton MR spectroscopy

Overall design

The aim of the present study was to use proton magnetic resonance spectroscopy (MRS) to assess the effects of short-term administration of the selective serotonin re-uptake inhibitor, citalopram and the selective noradrenaline re-uptake inhibitor, reboxetine, on a composite measure of glutamate and glutamine (Glx) in occipital cortex in healthy volunteers using a parallel group, placebo-controlled design. Thirty healthy volunteers were randomly allocated to 7-10 days treatment with the following treatments in a double-blind parallel group design: (1) placebo group (placebo treatment, n = 8), (2) citalopram group (citalopram 20 mg daily treatment, n = 11), and (3) reboxetine group (reboxetine 8 mg daily treatment, n = 11). The tissue content of Glx and GABA were referenced to creatine (Glx:Cr and GABA:Cr).

Study Type

Type3;

Data available

Unavailable

Organism

Human;

Categories of depression

Healthy individuals; Healthy individuals; Healthy individuals;

Criteria for depression

Not reported

Sample size

30

Tissue

Central; Brain; Occipital cortex;

Platform

MRS; MRS: 3 Tesla Varian INOVA system (Varian Inc, Palo Alto, CA, USA);

PMID

18208909

DOI

10.1177/0269881107081510

Citation

Taylor M, Murphy SE, Selvaraj S, et al. Differential effects of citalopram and reboxetine on cortical Glx measured with proton MR spectroscopy. J Psychopharmacol 2008;22(5):473-6.

Metabolite

(Glutamate and Glutamine)/(Creatine and Phosphocreatine) ratio;