Article

Randomized Trial of Weekly, Twice-Monthly, and Monthly Interpersonal Psychotherapy as Maintenance Treatment for Women With Recurrent Depression

Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
American Journal of Psychiatry (Impact Factor: 13.56). 06/2007; 164(5):761-7. DOI: 10.1176/appi.ajp.164.5.761
Source: PubMed

ABSTRACT The authors sought to determine whether a greater frequency of interpersonal psychotherapy (IPT) sessions during maintenance treatment has a greater prophylactic effect than a previously validated once-a-month treatment.
A total of 233 women 20-60 years of age with recurrent unipolar depression were treated in an outpatient research clinic. After participants had achieved remission with weekly IPT or, if required, with weekly IPT plus antidepressant pharmacotherapy, they were randomly assigned to weekly, twice-monthly, or monthly maintenance IPT monotherapy for 2 years or until a recurrence of their depression occurred.
Among participants who remitted with IPT alone and entered maintenance treatment (N=99), 19 (26%) of the 74 who remained in the study throughout the 2-year maintenance phase experienced a recurrence of depression. Among participants who required the addition of a selective serotonin reuptake inhibitor to achieve remission (N=90), 32 (36%) sustained that remission through continuation treatment and drug discontinuation and began maintenance treatment; of these, 13 (50%) of the 26 who remained in the study throughout the maintenance phase experienced a recurrence. Survival analysis of time to recurrence by randomized treatment frequency showed no effect on recurrence-free survival in either treatment subgroup.
These results suggest that maintenance IPT, even at a frequency of only one visit per month, is a good method of prophylaxis for women who can achieve remission with IPT alone. In contrast, among those who require the addition of pharmacotherapy, IPT monotherapy represents a significantly less efficacious approach to maintenance treatment.

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    • "However, the long term effect of IPT has not been tested extensively yet. Up until now it has only been tested as a maintenance treatment [36,37], and the question remains whether IPT also has an enduring effect that remains after therapy is finished. This question should be further explored. "
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    ABSTRACT: Major depression is a common mental disorder that substantially impairs quality of life and has high societal costs. Although psychotherapies have proven to be effective antidepressant treatments, initial response rates are insufficient and the risk of relapse and recurrence is high. Improvement of treatments is badly needed. Studying the mechanisms of change in treatment might be a good investment for improving everyday mental health care. However, the mechanisms underlying therapeutic change remain largely unknown. The objective of the current study is to assess both the effectiveness of two commonly used psychotherapies for depression in terms of reduction of symptoms and prevention of relapse on short and long term, as well as identifying underlying mechanisms of change. In a randomised trial we will compare (a) Cognitive Therapy (CT) with (b) Interpersonal therapy (IPT), and (c) an 8-week waiting list condition followed by treatment of choice. One hundred eighty depressed patients (aged 18-65) will be recruited in a mental health care centre in Maastricht (the Netherlands). Eligible patients will be randomly allocated to one of the three intervention groups. The primary outcome measure of the clinical evaluation is depression severity measured by the Beck Depression Intenvory-II (BDI-II). Other outcomes include process variables such as dysfunctional beliefs, negative attributions, and interpersonal problems. All self-report outcome assessments will take place on the internet at baseline, three, seven, eight, nine, ten, eleven, twelve and twenty-four months. At 24 months a retrospective telephone interview will be administered. Furthermore, a rudimentary analysis of the cost-effectiveness will be embedded. The study has been ethically approved and registered. By comparing CT and IPT head-to-head and by investigating multiple potential mediators and outcomes at multiple time points during and after therapy, we hope to provide new insights in the effectiveness and mechanisms of change of CT and IPT for depression, and contribute to the improvement of mental health care for adults suffering from depression. The study has been registered at the Netherlands Trial Register, part of the Dutch Cochrane Centre (ISRCTN67561918).
    Trials 06/2011; 12:150. DOI:10.1186/1745-6215-12-150 · 2.12 Impact Factor
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    • " and the combination of the two approaches . On a short - term acute basis , various psycho - therapies were found to be effective , including cognitive behavioral therapy . For long - term treatment , cognitive behavioral therapy and interpersonal psychotherapy were shown to have lasting benefits after treatment terminated ( Dobson et al . 2008 ; Frank et al . 2007 ; Vittengl et al . 2007 ) . Different studies on different types of depressed popula - tions using different psychotherapies confirm the value of cognitive behavioral therapy , but also indicate that in some cases , its behavioral component is most efficacious . As well , the value of pharmacotherapy in the treatment of chronic depressi"
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    ABSTRACT: This literature review of the major topics in the field of psychological/psychiatric injury and law is aimed at developing practice in the area. The field is a fast-developing one, with over ten major topics that it needs to integrate. In particular, the present review focuses on current work on: law (evidence, tort); forensic psychology; assessment and testing; psychological injuries (posttraumatic stress disorder, chronic pain, traumatic brain injury, other); the APA DSM-5 draft (Diagnostic and statistical manual of mental disorders; American Psychiatric Association 2010); malingering; causality; multicultural considerations; disability; the American Medical Association (AMA) Guides to the evaluation of permanent impairment (Rondinelli et al. 2008); models; and treatment. At the end of each section of the article, practice comments introduce critical issues in applying the research to psychological work in the area. Whether undertaking tort evaluations, disability, and treatment plan assessments or treating individuals with psychological injuries, the professional needs state-of-the-art information in all the areas listed in order to remain scientifically informed, comprehensive, and impartial. The article concludes with recommendations for an integrated field in psychological/psychiatric injury and law, study in the field, research in its major areas, best practice policies, for example in assessment and treatment, and model building. KeywordsPsychological injury–Literature review–Practice recommendations–Court
    Psychological Injury and Law 03/2011; 4(1):56-87. DOI:10.1007/s12207-011-9101-8
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    • "More recently, a randomized controlled study has suggested that interpersonal psychotherapy ameliorates depression during pregnancy and prevents depressive relapse and improves social functioning up to six months postpartum [32]. Varying recurrence rates have been reported [33,34] for various types of psychotherapy, from 26%-67%. It has been reported that cognitive behavior treatment (CBT) resulted in a significantly lower relapse rate (40%) at a 6 year follow up [35] than pharmacological management (90%). "
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