E1 ReplicatedModerate confidencePEM not requiredRCTPeer-reviewedMachine draft
Cognitive behavioural therapy in chronic fatigue syndrome: a randomised controlled trial of an outpatient group programme.
O'Dowd, H, Gladwell, P, Rogers, C A et al. · Health technology assessment (Winchester, England) · 2006 · DOI
Quick Summary
This study compared three approaches for managing ME/CFS: group cognitive behavioural therapy (CBT), education and support groups, and standard medical care. After 12 months, patients who received CBT showed improvements in mental health, fatigue levels, and walking ability compared to standard care, though improvements were modest and many patients did not fully recover.
Why It Matters
This high-quality trial provides evidence that group CBT may offer benefit for specific ME/CFS symptoms (fatigue and mood), potentially offering an accessible and cost-effective option through primary care. However, the modest improvements and lack of normalization in physical function highlight the need for better interventions and more precise patient stratification.
Observed Findings
- CBT patients had significantly higher mental health scores than SMC patients (difference +4.35, p=0.019)
- CBT patients reported less fatigue than SMC patients (difference -2.61, p=0.027) and also less than EAS patients (difference -3.16, p=0.011)
- CBT patients walked faster than both SMC (+2.83 shuttles, p=0.001) and EAS (+1.77 shuttles, p=0.047) groups
- At 12 months, 46% of CBT patients had physical function scores in normal range versus 44% of SMC and 26% of EAS patients
- 64% of CBT patients achieved ≥15% improvement in mental health, compared to 53% of SMC and 60% of EAS patients
Inferred Conclusions
- Group CBT was effective in treating fatigue, mood symptoms, and physical fitness in CFS/ME, with efficacy comparable to individual therapy studies.
- CBT did not produce improvements in cognitive function or overall quality of life, indicating limitations in its scope of benefit.
- Education and support groups also showed some benefits, suggesting non-specific therapeutic effects contribute to outcomes beyond CBT itself.
- Development of better outcome measures and clearer identification of patients most suited to CBT are needed for improved clinical utility.
Remaining Questions
- Which patient characteristics predict better response to group CBT versus other interventions?
What This Study Does Not Prove
This study does not establish that CBT is a cure for ME/CFS or that it improves cognitive function or overall quality of life. The improvements in walking speed and fatigue are modest and do not represent return to normal function for most participants; correlation between psychological factors and symptom improvement does not prove causation.
Tags
Symptom:Cognitive DysfunctionFatigue
Method Flag:PEM Not DefinedWeak Case Definition
Metadata
- DOI
- 10.3310/hta10370
- PMID
- 17014748
- Review status
- Machine draft
- Evidence level
- Replicated human evidence from multiple independent studies
- Last updated
- 8 April 2026
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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