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Dorsomedial prefron...
Dorsomedial prefrontal theta burst stimulation to treat anhedonia, avolition, and blunted affect in schizophrenia or depression : a randomized controlled trial
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- Bodén, Robert, 1973- (author)
- Uppsala universitet,Cervenka: Psykiatri
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- Bengtsson, Johan (author)
- Uppsala universitet,Cervenka: Psykiatri
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- Thörnblom, Elin (author)
- Uppsala universitet,Cervenka: Psykiatri
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- Struckmann, Wiebke (author)
- Uppsala universitet,Cervenka: Psykiatri
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- Persson, Jonas, 1983- (author)
- Uppsala universitet,Cervenka: Psykiatri
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(creator_code:org_t)
- Elsevier, 2021
- 2021
- English.
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In: Journal of Affective Disorders. - : Elsevier. - 0165-0327 .- 1573-2517. ; 290, s. 308-315
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Abstract
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- BackgroundIntermittent theta burst stimulation (iTBS) over the dorsomedial prefrontal cortex (DMPFC) has shown promise in open-label trials of depression.MethodsIn this randomized, double-blind, sham controlled trial we evaluate iTBS over the DMPFC for anhedonia, avolition, and blunted affect in patients with schizophrenia or depression. Active iTBS was delivered over the DMPFC with 1200 pulses per session, twice daily over ten weekdays at target intensity with an angled figure-of eight coil. Sham condition comprised the magnetically shielded side of the coil and simultaneous transcutaneous electrical nerve stimulation. Primary outcome was change on the Clinical Assessment Interview for Negative Symptoms (CAINS).ResultsTwenty-eight patients were randomized to active iTBS and 28 to sham. Mean (standard deviation) change in CAINS score from baseline to the day after last treatment was -5.3 (8.1) in active iTBS and -2.1 (7.1) in sham. A linear model showed no significant effect of treatment, accounting for baseline scores p=.088. Sub analyses per diagnostic group showed a significant effect in patients with depression, p=.038, but not in the schizophrenia group, p=.850. However, overall depressive symptoms did not change significantly in patients with depression. There were three serious adverse events, all in the sham group.LimitationsPossibly too short treatment course and few patients with schizophrenia.ConclusionIn this first transdiagnostic randomized controlled trial of iTBS over DMPFC for anhedonia, avolition, and blunted affect it can be concluded that it was generally tolerable and safe but only more effective than sham in the subgroup of patients with depression.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Psykiatri (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Psychiatry (hsv//eng)
Keyword
- anhedonia
- double-blind
- iTBS
- motivational deficit
- repetitive transcranial magnetic stimulation
Publication and Content Type
- ref (subject category)
- art (subject category)
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