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Assessing Burrowing, Nest Construction, and Hoarding in Mice
Published on: January 5, 2012
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Decluttering Minds: Psychological interventions for hoarding disorder - A systematic review and meta-analysis
1School of Life and Medical Sciences, University of Hertfordshire, Hatfield, UK.
Journal of Psychiatric Research
|January 5, 2025
Summary
Psychological therapies effectively reduce Hoarding Disorder (HD) symptoms, with no significant difference compared to Cognitive Behavioural Therapy (CBT). However, symptom remission remains a challenge, necessitating further research into treatment efficacy and inclusivity.
Area of Science:
- Psychiatry
- Clinical Psychology
Background:
- Hoarding Disorder (HD) is conventionally treated with Cognitive Behavioural Therapy (CBT).
- Emerging psychological interventions offer alternative treatment options for HD.
- This study comprehensively assesses various psychological interventions for reducing HD symptomatology.
Purpose of the Study:
- To systematically evaluate the efficacy of psychological interventions, including CBT, for Hoarding Disorder.
- To compare the effectiveness of different therapeutic approaches for HD.
- To identify factors influencing treatment outcomes in HD.
Main Methods:
- A systematic literature search was conducted on PubMed and SCOPUS, identifying 41 studies with 47 samples (N=1343).
- Risk of bias in Randomized Controlled Trials (RCTs) was assessed using the Cochrane RoB2 tool.
- Methodological quality was evaluated using the Psychotherapy Outcome Study Methodology Rating Form (POMRF).
Main Results:
- A large reduction in HD symptomatology was observed pre-post treatment (g=-1.09), sustained at follow-up (g=-1.12).
- RCTs showed a substantial reduction in HD symptoms compared to controls (g=-0.75).
- No moderating effects were found for demographics, medication, session number, study quality, therapy format, or intervention type (CBT vs. others).
Conclusions:
- Psychological therapies are effective in reducing hoarding symptoms, with no evidence of CBT superiority.
- Despite treatment benefits, symptomatic remission for HD remains a clinical challenge.
- Future research should address methodological limitations and potential biases to improve intervention efficacy and inclusivity for HD.
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