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Vagus nerve stimulation for depression: efficacy and safety in a European study [corrected] [published erratum appears in PSYCHOL MED 2008 Jul;38(7):1067].

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Title: Vagus nerve stimulation for depression: efficacy and safety in a European study [corrected] [published erratum appears in PSYCHOL MED 2008 Jul;38(7):1067].
Authors: Schlaepfer TE (AUTHOR), Frick C (AUTHOR), Zobel A (AUTHOR), Maier W (AUTHOR), Heuser I (AUTHOR), Bajbouj M (AUTHOR), O'Keane V (AUTHOR), Corcoran C (AUTHOR), Adolfsson R (AUTHOR), Trimble M (AUTHOR), Rau H (AUTHOR), Hoff H (AUTHOR), Padberg F (AUTHOR), Müller-Siecheneder F (AUTHOR), Audenaert K (AUTHOR), Van den Abbeele D (AUTHOR), Stanga Z (AUTHOR), Hasdemir M (AUTHOR)
Source: Psychological Medicine. May2008, Vol. 38 Issue 5, p651-661. 11p.
Abstract: BACKGROUND: Vagus nerve stimulation (VNS) therapy is associated with a decrease in seizure frequency in partial-onset seizure patients. Initial trials suggest that it may be an effective treatment, with few side-effects, for intractable depression.MethodAn open, uncontrolled European multi-centre study (D03) of VNS therapy was conducted, in addition to stable pharmacotherapy, in 74 patients with treatment-resistant depression (TRD). Treatment remained unchanged for the first 3 months; in the subsequent 9 months, medications and VNS dosing parameters were altered as indicated clinically. RESULTS: The baseline 28-item Hamilton Depression Rating Scale (HAMD-28) score averaged 34. After 3 months of VNS, response rates (50% reduction in baseline scores) reached 37% and remission rates (HAMD-28 score <10) 17%. Response rates increased to 53% after 1 year of VNS, and remission rates reached 33%. Response was defined as sustained if no relapse occurred during the first year of VNS after response onset; 44% of patients met these criteria. Median time to response was 9 months. Most frequent side-effects were voice alteration (63% at 3 months of stimulation) and coughing (23%). CONCLUSIONS: VNS therapy was effective in reducing severity of depression; efficacy increased over time. Efficacy ratings were in the same range as those previously reported from a USA study using a similar protocol; at 12 months, reduction of symptom severity was significantly higher in the European sample. This might be explained by a small but significant difference in the baseline HAMD-28 score and the lower number of treatments in the current episode in the European study. [ABSTRACT FROM AUTHOR]
Copyright of Psychological Medicine is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Vagus nerve stimulation for depression: efficacy and safety in a European study [corrected] [published erratum appears in PSYCHOL MED 2008 Jul;38(7):1067].
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Psychological+Medicine%22&quot;&gt;Psychological Medicine&lt;/searchLink&gt;. May2008, Vol. 38 Issue 5, p651-661. 11p.
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  Data: BACKGROUND: Vagus nerve stimulation (VNS) therapy is associated with a decrease in seizure frequency in partial-onset seizure patients. Initial trials suggest that it may be an effective treatment, with few side-effects, for intractable depression.MethodAn open, uncontrolled European multi-centre study (D03) of VNS therapy was conducted, in addition to stable pharmacotherapy, in 74 patients with treatment-resistant depression (TRD). Treatment remained unchanged for the first 3 months; in the subsequent 9 months, medications and VNS dosing parameters were altered as indicated clinically. RESULTS: The baseline 28-item Hamilton Depression Rating Scale (HAMD-28) score averaged 34. After 3 months of VNS, response rates (50% reduction in baseline scores) reached 37% and remission rates (HAMD-28 score &lt;10) 17%. Response rates increased to 53% after 1 year of VNS, and remission rates reached 33%. Response was defined as sustained if no relapse occurred during the first year of VNS after response onset; 44% of patients met these criteria. Median time to response was 9 months. Most frequent side-effects were voice alteration (63% at 3 months of stimulation) and coughing (23%). CONCLUSIONS: VNS therapy was effective in reducing severity of depression; efficacy increased over time. Efficacy ratings were in the same range as those previously reported from a USA study using a similar protocol; at 12 months, reduction of symptom severity was significantly higher in the European sample. This might be explained by a small but significant difference in the baseline HAMD-28 score and the lower number of treatments in the current episode in the European study. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Psychological Medicine is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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