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The Ghent Psychotherapy Study (GPS) on the differential efficacy of supportive-expressive and cognitive behavioral interventions in dependent and self-critical depressive patients : study protocol for a randomized controlled trial

Reitske Meganck (UGent) , Mattias Desmet (UGent) , Claudi Bockting (UGent) , Ruth Inslegers (UGent) , Femke Truijens (UGent) , Melissa De Smet (UGent) , Rosa De Geest, Kimberly Van Nieuwenhove (UGent) , Vicky Hennissen (UGent) , Goedele Hermans (UGent) , et al.
(2017) TRIALS. 18(1).
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Abstract
Background: Major depressive disorder is a leading cause of disease burden worldwide, indicating the importance of effective therapies. Outcome studies have shown overall efficacy of different types of psychotherapy across groups, yet large variability within groups. Although patient characteristics are considered crucial in understanding outcome, they have received limited research attention. This trial aims at investigating the interaction between therapeutic approach (pre-structured versus explorative) and the personality style of patients (dependent versus self-critical), which is considered a core underlying dimension of depressive pathology. Methods/design: This study is a pragmatic stratified (dependent and self-critical patients) parallel trial with equal randomization (allocation 1: 1) conducted in Flanders, Belgium. One hundred and four patients will be recruited and randomized to either 16-20 sessions of cognitive behavioral therapy for depression (pre-structured approach) or 16-20 sessions of short-term psychodynamic psychotherapy for depression (explorative approach) conducted by trained psychotherapists in private practices. The primary outcome is the severity of depression as measured by the Hamilton Rating Scale for Depression at completion of therapy. Secondary outcome measures include self-reported depressive and other symptoms, interpersonal functioning, idiosyncratic complaints, and the presence of the diagnosis of depression. Additional measures include biological measures, narrative material (sessions, interviews), and health care costs. Discussion: This trial presents the test of an often-described, yet hardly investigated interaction between important personality dimensions and therapeutic approach in the treatment of depression. Results could inform therapists on how to match psychotherapeutic treatments to specific personality characteristics of their patients.
Keywords
Major depressive disorder, Cognitive behavioral therapy, Short-term psychodynamic psychotherapy, Personality styles, HOSPITALIZATION-BASED TREATMENT, WORKING ALLIANCE INVENTORY, EXPERIENCES QUESTIONNAIRE, ADULT DEPRESSION, CLINICAL-TRIALS, METAANALYSIS, VALIDATION, DISORDER, THERAPY, CORTISOL

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MLA
Meganck, Reitske, et al. “The Ghent Psychotherapy Study (GPS) on the Differential Efficacy of Supportive-Expressive and Cognitive Behavioral Interventions in Dependent and Self-Critical Depressive Patients : Study Protocol for a Randomized Controlled Trial.” TRIALS, vol. 18, no. 1, 2017, doi:10.1186/s13063-017-1867-x.
APA
Meganck, R., Desmet, M., Bockting, C., Inslegers, R., Truijens, F., De Smet, M., … Vanheule, S. (2017). The Ghent Psychotherapy Study (GPS) on the differential efficacy of supportive-expressive and cognitive behavioral interventions in dependent and self-critical depressive patients : study protocol for a randomized controlled trial. TRIALS, 18(1). https://doi.org/10.1186/s13063-017-1867-x
Chicago author-date
Meganck, Reitske, Mattias Desmet, Claudi Bockting, Ruth Inslegers, Femke Truijens, Melissa De Smet, Rosa De Geest, et al. 2017. “The Ghent Psychotherapy Study (GPS) on the Differential Efficacy of Supportive-Expressive and Cognitive Behavioral Interventions in Dependent and Self-Critical Depressive Patients : Study Protocol for a Randomized Controlled Trial.” TRIALS 18 (1). https://doi.org/10.1186/s13063-017-1867-x.
Chicago author-date (all authors)
Meganck, Reitske, Mattias Desmet, Claudi Bockting, Ruth Inslegers, Femke Truijens, Melissa De Smet, Rosa De Geest, Kimberly Van Nieuwenhove, Vicky Hennissen, Goedele Hermans, Tom Loeys, Ufuoma Angelica Norman, Chris Baeken, and Stijn Vanheule. 2017. “The Ghent Psychotherapy Study (GPS) on the Differential Efficacy of Supportive-Expressive and Cognitive Behavioral Interventions in Dependent and Self-Critical Depressive Patients : Study Protocol for a Randomized Controlled Trial.” TRIALS 18 (1). doi:10.1186/s13063-017-1867-x.
Vancouver
1.
Meganck R, Desmet M, Bockting C, Inslegers R, Truijens F, De Smet M, et al. The Ghent Psychotherapy Study (GPS) on the differential efficacy of supportive-expressive and cognitive behavioral interventions in dependent and self-critical depressive patients : study protocol for a randomized controlled trial. TRIALS. 2017;18(1).
IEEE
[1]
R. Meganck et al., “The Ghent Psychotherapy Study (GPS) on the differential efficacy of supportive-expressive and cognitive behavioral interventions in dependent and self-critical depressive patients : study protocol for a randomized controlled trial,” TRIALS, vol. 18, no. 1, 2017.
@article{8519031,
  abstract     = {{Background: Major depressive disorder is a leading cause of disease burden worldwide, indicating the importance of effective therapies. Outcome studies have shown overall efficacy of different types of psychotherapy across groups, yet large variability within groups. Although patient characteristics are considered crucial in understanding outcome, they have received limited research attention. This trial aims at investigating the interaction between therapeutic approach (pre-structured versus explorative) and the personality style of patients (dependent versus self-critical), which is considered a core underlying dimension of depressive pathology. 
Methods/design: This study is a pragmatic stratified (dependent and self-critical patients) parallel trial with equal randomization (allocation 1: 1) conducted in Flanders, Belgium. One hundred and four patients will be recruited and randomized to either 16-20 sessions of cognitive behavioral therapy for depression (pre-structured approach) or 16-20 sessions of short-term psychodynamic psychotherapy for depression (explorative approach) conducted by trained psychotherapists in private practices. The primary outcome is the severity of depression as measured by the Hamilton Rating Scale for Depression at completion of therapy. Secondary outcome measures include self-reported depressive and other symptoms, interpersonal functioning, idiosyncratic complaints, and the presence of the diagnosis of depression. Additional measures include biological measures, narrative material (sessions, interviews), and health care costs. 
Discussion: This trial presents the test of an often-described, yet hardly investigated interaction between important personality dimensions and therapeutic approach in the treatment of depression. Results could inform therapists on how to match psychotherapeutic treatments to specific personality characteristics of their patients.}},
  articleno    = {{126}},
  author       = {{Meganck, Reitske and Desmet, Mattias and Bockting, Claudi and Inslegers, Ruth and Truijens, Femke and De Smet, Melissa and De Geest, Rosa and Van Nieuwenhove, Kimberly and Hennissen, Vicky and Hermans, Goedele and Loeys, Tom and Norman, Ufuoma Angelica and Baeken, Chris and Vanheule, Stijn}},
  issn         = {{1745-6215}},
  journal      = {{TRIALS}},
  keywords     = {{Major depressive disorder,Cognitive behavioral therapy,Short-term psychodynamic psychotherapy,Personality styles,HOSPITALIZATION-BASED TREATMENT,WORKING ALLIANCE INVENTORY,EXPERIENCES QUESTIONNAIRE,ADULT DEPRESSION,CLINICAL-TRIALS,METAANALYSIS,VALIDATION,DISORDER,THERAPY,CORTISOL}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{11}},
  title        = {{The Ghent Psychotherapy Study (GPS) on the differential efficacy of supportive-expressive and cognitive behavioral interventions in dependent and self-critical depressive patients : study protocol for a randomized controlled trial}},
  url          = {{http://doi.org/10.1186/s13063-017-1867-x}},
  volume       = {{18}},
  year         = {{2017}},
}

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