Clinical trial NCT00763594: Linköping University Relational and Interpersonal Psychotherapy Project
Official title: Randomized Controlled Trial of Interpersonal and Brief Relational Psychotherapy for Major Depressive Disorder.
Study type: INTERVENTIONAL
Overall status: TERMINATED
Phase: PHASE2
Conditions: Major Depressive Disorder
Keywords: Major Depression
Interpersonal Psychotherapy
Brief Relational Therapy
Outcome research
Lead sponsor: Linkoeping University
Sponsor class: OTHER_GOV
Collaborators: name: Swedish Council for Working Life and Social Research
First posted: 2008-10-01
Enrollment: 41
Sex: ALL
Minimum age (years): 17
Maximum age (years): 65
Standard ages: CHILD
ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: The study investigates the relative efficacy of Interpersonal Psychotherapy and Brief Relational Therapy for Major Depressive Disorder. The primary hypothesis is that there will be no mean difference in efficacy between treatments, but that Brief Relational Therapy will be more efficacious for more self-critical patients and Interpersonal Psychotherapy will be more efficacious for less self-critical patients.

Detailed description: Interventions Interpersonal Psychotherapy (IPT; Klerman et. al., 1984) is an evidence-based, time-limited treatment originally developed for treating Major Depressive Disorder, although it has been extended and developed for Bulimia Nervosa and recently also for Post-Traumatic Stress Disorder. The treatment is structured and focuses on relieving depressive symptoms by targeting interpersonal problems in the patients' current life situation. In the first four sessions an interpersonal problem area is identified that is asssumed to maintain the patient's depression and this problem is agreed upon as a therapy focus. Four types of focus areas are used in IPT: grief, role transitions, conflicts, and interpersonal deficits. In the middle phase of therapy the agreed upon focus area is worked with in a problem-solving fashion, and the patient is also encouraged to seek interpersonal support from his or her environment. IPT has been established as an evidence-based treatment for Major Depression (Roth \& Fonagy, 2005), and a recent meta-analysis concluded that it was slightly superior to other established treatments for MDD including Cognitive Behavior Therapy (Cuijpers, van Straaten, Andersson \& van Oppen, 2008).

Brief Relational Therapy (BRT; Safran \& Muran, 2000) is a relatively new version of Short-Term Psychodynamic Psychotherapy, based on relational psychoanalytic theory in combination with research on processes of rupture and repair of the therapeutic alliance. The therapeutic alliance, operationalized as the positive bond between patient and therapist in combination with agreement on tasks and goals of treatment, is the single most robust predictor of good outcome in psychotherapy research (Lambert \& Ogles, 2004). BRT was developed to help patients who had previously failed in psychotherapeutic treatment(s), presumably because of trouble in establishing a working therapeutic alliance with their therapist(s). Therapists are trained to be highly attentive to the therapeutic relationship and to signs of ruptures in the alliance, and to use self-disclosure and meta-communication about ruptures in order to repair the therapy alliance and at the same time help patients to develop a generalized capacity for observing self and others (mentalization). BRT has shown preliminary evidence for efficacy with patients who are at risk of negative outcome in psychotherapy (Safran, Muran, Samstag \& Winston, 2005) and with patients diagnosed with DSM-IV axis II personality disorders (Muran, Safran, Samstag \& Winston, 2005). A specific manual for BRT in Major Depressive Disorder is currently under development (Holmqvist, in preparation).

Both treatments consist of 16 therapy sessions which are all video-taped for adherence checks. The same therapists will provide both treatments, in randomized order.

Objectives The objectives of the study are to compare the new treatment BRT with the established treatment IPT in the alleviation of Major Depressive Disorder. The hypothesis of the trial is that BRT will be superior for patients who have more difficulty establishing a therapeutic alliance, while IPT will be superior for patients with less difficulty establishing a therapeutic alliance. Previous research indicates that baseline self-critical perfectionism negatively predicts outcome in IPT as well as several other brief psychotherapeutic treatments for depression, and that this is because self-critical perfectionism will cause problems in the therapeutic alliance (Luyten, Corveleyn \& Blatt, 2005). The primary hypothesis is thus that baseline self-cricial perfectionism moderates the relationship between treatment and outcome. Secondary exploratory objectives are to conduct in depth process research on the mechanisms of change in these treatments, as well as interaction effects between treatment modality and other patient characteristics.

Eligibility criteria: Inclusion Criteria:

* Major Depressive Disorder (DSM-IV)
* Hamilton Depression Rating Scale (17-item version) score 20 or greater

Exclusion Criteria:

* Any psychotic disorder
* Substance abuse
* Organic brain disorder

Primary outcomes:
measure: Hamilton Depression Rating Scale, 17 item version
timeFrame: Change from before treatment to after termination (16 weeks)
Secondary outcomes:
measure: Patient Health Questionnaire - 9
timeFrame: Change from before treatment to after termination (16 weeks)
measure: Inventory of Interpersonal Problems
timeFrame: Change from before treatment to after termination (16 weeks)
measure: Quality of Life Inventory
timeFrame: Change from before treatment to after termination (16 weeks)
measure: Depressive Experiences Questionnaire
timeFrame: Change from before treatment to after termination (16 weeks)
measure: Outcome Questionnaire - 45
timeFrame: Change from before treatment to after termination (16 weeks)
Other outcomes:
Locations:
city: Linköping
country: Sweden
facility: Linköping University
Study officials:
affiliation: Sörmland County Council, Linköping University
name: Fredrik Falkenström, MA
role: PRINCIPAL_INVESTIGATOR
References: