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Interpersonal psychotherapy for eating disorders with co-morbid depression: A pilot study
Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences. Futurum: Academy for Health and Care, Region Jönköping County, Jönköping, Sweden.
Faculty of Medicine and Health, University Health Care Research Center, Region Örebro County, Örebro University, Örebro, Sweden; Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences.
2017 (English)In: European Journal of Psychotherapy, ISSN 1364-2537, E-ISSN 1469-5901, Vol. 19, no 4, p. 378-395Article in journal (Refereed) Published
Abstract [en]

Objective: Patients with eating disorders (ED) often suffer from co-morbid depression, which may complicate the ED treatment. Previous studies have found that ED interventions seem to have limited capacity to reduce depressive symptoms. Several studies of interpersonal psychotherapy (IPT), have found that when patients have been treated for depression, co-morbid symptoms have diminished. As depression and EDs are commonly co-occurring conditions, this pilot study aimed to examine the effect of an IPT treatment for these conditions, with the focus on the depressive symptoms. Method: In this multi-centre study, 16 patients with EDs and co-occurring major depression received 16 weeks of depression-focused IPT. Results: Significant improvements with substantial effect sizes were found for both depression (d = 1.48) and ED (d =.93). Symptom reduction in the two syndromes were strongly correlated (r =.625, p =.004). Patients with a restrictive ED did not improve on either depression or ED symptoms. Conclusion: These findings point to the usefulness of IPT for concurrent depression and ED with a bingeing/purging symptomatology. Working with negative affect and problem-solving related to current interpersonal problems may alleviate general psychological distress among these patients. © 2017 Informa UK Limited, trading as Taylor amp; Francis Group.

Place, publisher, year, edition, pages
Routledge , 2017. Vol. 19, no 4, p. 378-395
Keywords [en]
co-morbidity; depression; eating disorder; interpersonal psychotherapy; IPT
National Category
Applied Psychology
Identifiers
URN: urn:nbn:se:liu:diva-146981DOI: 10.1080/13642537.2017.1386226ISI: 000419521300004Scopus ID: 2-s2.0-85034612398OAI: oai:DiVA.org:liu-146981DiVA, id: diva2:1202857
Note

The journal also presented translated titles (German, Spanish, Italian, French and Greek):

Interpersonelle Psychotherapie für Essstörungen mit Ko-morbider Depression: eine Pilot-Studie.

PSICOTERAPIA INTERPERSONAL EN TRASTORNOS DE LA ALIMENTACION CON DEPRESION CO-MORBIDA: un estudio piloto.

Psicoterapia interpersonale per comorbilità tra disturbi alimentari e depressione: uno studio pilota

Psychothérapie interpersonnelle dans les cas de troubles alimentaires avec dépression comorbide: une étude-pilote

διαπροσωπική ψυχοθεραπεία στις διαταραχές πρόσληψης τροφής με συννοσηρότητα κατάθλιψης: μια πιλοτική έρευνα

Available from: 2018-05-01 Created: 2018-05-01 Last updated: 2025-07-17
In thesis
1. Relational Aspects and Applications of Interpersonal Psychotherapy for Eating disorders with Co-morbid Depression
Open this publication in new window or tab >>Relational Aspects and Applications of Interpersonal Psychotherapy for Eating disorders with Co-morbid Depression
2025 (English)Doctoral thesis, comprehensive summary (Other academic)
Alternative title[sv]
Relationella aspekter och tillämpningar på Interpersonell psykoterapi av ätstörningar och samtidig depression
Abstract [en]

Interpersonal Psychotherapy (IPT), originally developed for depression, is recommended in Sweden’s national treatment guidelines as an option for binge eating disorder and bulimia nervosa. Despite documented efficacy, IPT has primarily been studied as a comparison treatment in eating disorder research. There remains limited knowledge about the method’s functioning in Swedish clinical settings, the mechanisms of change, and how therapeutic work unfolds in practice. This thesis, using a mixed method design, examines the applicability of IPT for individuals with eating disorders and co-occurring depression. The results indicate that IPT is a promising treatment for patients within the bulimic spectrum, showing significant improvements in both eating disorder and depressive symptoms. Notably, improvements in depression preceded symptom relief in the eating disorder – but not the other way around – suggesting a potentially change-driving association. Symptom improvement occurred more rapidly when treatment explicitly and consistently linked current symptoms to emotionally charged relational themes. The qualitative findings demonstrate that this connection – the so-called mood-event connection – is co-created through a collaborative process, in which therapist and patient jointly develop an understanding of what is meaningful and what the next step in therapy should be. Patients with a more restrictive symptomatology showed no improvement. This may possibly be explained by patients’ descriptions of living with the eating disorder as something ever-present in the relating to themselves, others, and life as a whole. The findings suggest that treatment should support the externalisation of the eating disorder as an ego-dystonic condition, foster more functional ways of relating to self and others, and facilitate motivation for a new social role beyond the illness. This thesis supports IPT as a credible and independent treatment for eating disorders, especially in cases involving binge eating, compensatory behaviours, and co-occurring depression.

Abstract [sv]

Interpersonell psykoterapi (IPT), ursprungligen utvecklad för depression, rekommenderas i Socialstyrelsens riktlinjer som behandlingsalternativ vid hetsätningsstörning och bulimia nervosa. Dokumenterad effekt till trots har IPT vid ätstörningar främst studerats som jämförelsebehandling. Kunskapen är fortfarande begränsad om hur metoden fungerar i svensk vårdkontext, vilka mekanismer som driver förändring, och hur det terapeutiska arbetet faktiskt tar form. Avhandlingen har med en mixed method-design undersökt användbarheten av IPT vid ätstörning med samtidig depression. Resultaten visar att IPT är en lovande behandlings-intervention för patienter inom bulimispektrat, med signifikanta förbättringar i både ätstörnings- och depressionssymtom. Förbättring i depression föregick symtomlindring i ätstörningen – men inte tvärtom. Detta antyder ett förändringsdrivande samband. Symtomförbättring inträffade snabbare när behandlingen explicit och återkommande kopplade ätproblematik till känslomässigt laddade relationsteman. Avhandlingens kvalitativa resultat visar att denna koppling – det så kallade mood-event-länkandet – sker i en samskapande process där terapeut och patient tillsammans formar förståelse för det meningsbärande och vad nästa steg i terapin bör vara. Patienter med en mer restriktiv symtombild uppvisade ingen förbättring. Detta kan eventuellt förstås genom patienternas beskrivningar av att leva med ätstörningen som något ständigt närvarande i relaterandet till sig själv, till andra och till livet i stort. Resultaten uppmuntrar till att behandling bör externalisera ätstörningen som ett jagdystont tillstånd, att skapa utrymme för ett mer funktionellt relaterande till sig själv och andra, samt motivera för en ny social roll utan sjukdomen. Avhandlingen stärker IPT som en trovärdig och självständig metod i behandling av ätstörningar – särskilt vid hetsätande och kompensatorisk problematik, samt när depression är en del av symtombilden.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2025. p. 78
Series
Linköping Studies in Arts and Sciences, ISSN 0282-9800 ; 913Linköping Studies in Behavioural Science, ISSN 1654-2029 ; 262
Keywords
Interpersonal Psychotherapy, IPT, eating disorders, comorbid depression, mixed methods
National Category
Psychology
Identifiers
urn:nbn:se:liu:diva-215866 (URN)10.3384/9789180759229 (DOI)9789180759212 (ISBN)9789180759229 (ISBN)
Public defence
2025-09-05, I:101, Hus I, Campus Valla, Linköping, 13:00 (Swedish)
Opponent
Supervisors
Available from: 2025-07-15 Created: 2025-07-01 Last updated: 2025-08-19Bibliographically approved

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