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Lack of efficacy of psychological and pharmacological treatments of disorders of eating behavior: neurobiological background

Overview of attention for article published in BMC Psychiatry, December 2014
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Title
Lack of efficacy of psychological and pharmacological treatments of disorders of eating behavior: neurobiological background
Published in
BMC Psychiatry, December 2014
DOI 10.1186/s12888-014-0376-7
Pubmed ID
Authors

Francesca Brambilla, Federico Amianto, Riccardo Dalle Grave, Secondo Fassino

Abstract

BackgroundTreatments of eating disorders result too often in partial psychological and physical remission, chronicization, dropout, relapse and death, with no fully known explanations for this failure. In order to clarify this problem, we conducted three studies to identify the biochemical background of cognitive-behavioural psychotherapy (CBT), individual psychology brief psychotherapy (IBPP), and psychotherapy-pharmacotherapy with CBT¿+¿olanzapine in anorexics (AN) and bulimics (BN) by measuring the levels of plasma homovanillic acid (HVA) for dopamine secretion, plasma 3-methoxy-4-hydroxy-phenylglycol (MHPG) for noradrenalin secretion, and platelet [3H]-Paroxetin-binding Bmax and Kd for serotonin transporter function. The data were then compared with psychopathological and physical alterations.MethodsStudy 1 investigated the effects of 4 months of CBT on plasma HVA, MHPG and [3H]-Par-binding in 14 AN-restricted, 14 AN-bingeing/purging, and 22 BN inpatients. Study 2 investigated the effects of 4 months of IBPP on plasma HVA in 15 AN and 17 BN outpatients. Study 3 investigated the effect of 3 months of CBT¿+¿olanzapine (5 mg/day) in 30 AN outpatients. The data were analyzed using one-way ANOVA for repeated measures for the changes between basal and post-treatment biological and psychological parameters, two-way ANOVA for repeated measures for the differences in the psychobiological data in the 3 groups, Spearman¿s test for the correlations between basal and final changes in the psychological and biological scores.ResultsStudy 1 revealed significant amelioration of the psychopathology in the AN and BN patients, no effects on HVA, MHPG or Paroxetin binding Kd, and a significant increase in Par-binding Bmax only in the BN patients. Study 2 revealed a significant effect of IBPP on psychopathology in the AN and BN patients, and a significant increase in HVA only in the BN patients. Study 3 revealed a significant positive effect of CBT¿+¿olanzapine therapy on the psychopathology and increased HVA values. No correlations were observed in the 3 groups between biological and psychological effects of the three treatments.ConclusionsOur data advance suggestions on the mechanism of action of the three therapies; however, the lack of correlations between biochemical and psychological effects casts doubt on their significance.Clinical Trials.gov. Identifier NCT01990755.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 148 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Japan 1 <1%
Unknown 147 99%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 23 16%
Student > Master 22 15%
Student > Doctoral Student 12 8%
Student > Postgraduate 11 7%
Researcher 10 7%
Other 34 23%
Unknown 36 24%
Readers by discipline Count As %
Psychology 50 34%
Medicine and Dentistry 28 19%
Nursing and Health Professions 8 5%
Agricultural and Biological Sciences 5 3%
Unspecified 4 3%
Other 14 9%
Unknown 39 26%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 02 January 2015.
All research outputs
#17,736,409
of 22,776,824 outputs
Outputs from BMC Psychiatry
#3,663
of 4,678 outputs
Outputs of similar age
#241,711
of 353,020 outputs
Outputs of similar age from BMC Psychiatry
#76
of 99 outputs
Altmetric has tracked 22,776,824 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,678 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 11.8. This one is in the 17th percentile – i.e., 17% of its peers scored the same or lower than it.
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We're also able to compare this research output to 99 others from the same source and published within six weeks on either side of this one. This one is in the 20th percentile – i.e., 20% of its contemporaries scored the same or lower than it.