Predictors of Treatment Success of Psychotherapy in Functional Disorders: A Systematic Review of the Literature

IF 3.2 3区心理学 Q1 PSYCHOLOGY, CLINICAL

Clinical psychology & psychotherapy Pub Date : 2025-04-23 DOI:10.1002/cpp.70075

Caroline Rometsch, Alexandra Martin, Fiammetta Cosci

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引用次数: 0

Abstract

Objective

Functional disorders (FDs) benefit from psychotherapy. However, the determinants predicting their efficacy remain largely unexplored.

Methods

A systematic literature review was conducted. PubMed, Web of Science, Embase, Cochrane collaboration and grey literature were screened from inception to November 2024. Randomized controlled trials on predictors of success of psychotherapy for FDs (e.g., somatoform disorders, irritable bowel syndrome [IBS], chronic fatigue syndrome/myalgic encephalomyelitis [CFS/ME], fibromyalgia [FM]) in adults (i.e., ≥ 18 years of age) were included. The review yielded 24 eligible studies and included 3382 participants. A standardized quality assessment via ROB-2 Tool was performed. PRISMA guidelines were followed.

Results

Most studies applied CBT-based interventions (n = 19), mainly face-to-face, with some internet-based (n = 5), while fewer used emotional-based (n = 4), mindfulness-based (n = 3), psychodynamic (n = 1) or operant behavioural therapy (n = 1). The primary factors identified as predictive of treatment success in FM and somatization were the intensity of experienced pain. Moreover, the presence of mental disorders, i.e., depression and anxiety disorders, emerged as predictors for a range of disorders including FM, IBS, somatization disorder, hypochondriasis, medically unexplained symptoms and dissociative seizures. Symptom severity was recognized as a predictor across various FDs with findings indicated that severe severity could predict treatment outcomes.

Conclusion

The body of research concerning predictors of treatment success in the context of FDs can help clinicians identifying appropriate psychotherapy trajectories.

Trial Registration: Not applicable. PROSPERO no. CRD42022379791; OSF (https://osf.io/8q7z9).

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来源期刊

Clinical psychology & psychotherapy PSYCHOLOGY, CLINICAL-

CiteScore

6.30

自引率

5.60%

发文量

106

期刊介绍： Clinical Psychology & Psychotherapy aims to keep clinical psychologists and psychotherapists up to date with new developments in their fields. The Journal will provide an integrative impetus both between theory and practice and between different orientations within clinical psychology and psychotherapy. Clinical Psychology & Psychotherapy will be a forum in which practitioners can present their wealth of expertise and innovations in order to make these available to a wider audience. Equally, the Journal will contain reports from researchers who want to address a larger clinical audience with clinically relevant issues and clinically valid research.