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Repetitive transcranial magnetic stimulation for the treatment of obsessive compulsive disorder: a double-blind controlled investigation.

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Title: Repetitive transcranial magnetic stimulation for the treatment of obsessive compulsive disorder: a double-blind controlled investigation.
Authors: Sachdev PS (AUTHOR), Loo CK (AUTHOR), Mitchell PB (AUTHOR), McFarquhar TF (AUTHOR), Malhi GS (AUTHOR)
Source: Psychological Medicine. Nov2007, Vol. 37 Issue 11, p1645-1649. 5p.
Abstract: ABSTRACT BACKGROUND: To determine the efficacy and tolerability of repetitive transcranial magnetic stimulation (rTMS) as a treatment for obsessive compulsive disorder (OCD) in a double-blind placebo-controlled study.MethodSubjects with treatment-resistant OCD were randomized to rTMS (n=10) or sham rTMS (n=8) for 10 sessions of daily stimulation over the left dorsolateral prefrontal cortex (DLPFC), with subjects and raters being blind to the treatment. Subjects were offered an open extension of up to 20 sessions of rTMS. RESULTS: The two groups did not differ on change in Yale-Brown Obsessive Compulsive Scale (YBOCS) or Maudsley Obsessive-Compulsive Inventory scores over 10 sessions, with or without correction for depression ratings. Over 20 sessions, there was a significant reduction in total YBOCS scores, but not after controlling for depression. rTMS over 20 sessions was well tolerated.ConclusionTwo weeks of rTMS over the left DLPFC is ineffective for treatment-resistant OCD. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
Description
Abstract:ABSTRACT BACKGROUND: To determine the efficacy and tolerability of repetitive transcranial magnetic stimulation (rTMS) as a treatment for obsessive compulsive disorder (OCD) in a double-blind placebo-controlled study.MethodSubjects with treatment-resistant OCD were randomized to rTMS (n=10) or sham rTMS (n=8) for 10 sessions of daily stimulation over the left dorsolateral prefrontal cortex (DLPFC), with subjects and raters being blind to the treatment. Subjects were offered an open extension of up to 20 sessions of rTMS. RESULTS: The two groups did not differ on change in Yale-Brown Obsessive Compulsive Scale (YBOCS) or Maudsley Obsessive-Compulsive Inventory scores over 10 sessions, with or without correction for depression ratings. Over 20 sessions, there was a significant reduction in total YBOCS scores, but not after controlling for depression. rTMS over 20 sessions was well tolerated.ConclusionTwo weeks of rTMS over the left DLPFC is ineffective for treatment-resistant OCD. [ABSTRACT FROM AUTHOR]
ISSN:00332917
DOI:10.1017/s0033291707001092