Kuut, T A, Buffart, L M, Braamse, A M J et al. · Psychological medicine · 2024 · DOI
This study combined data from 8 clinical trials involving 1,298 people with ME/CFS to see whether cognitive behavior therapy (CBT) works and who benefits most from it. Researchers found that CBT did help reduce fatigue, improve daily functioning, and increase physical activity—but the amount of benefit varied depending on patient characteristics like age, how much disability someone had, and their activity patterns. Younger patients, those with less severe disability at the start, and those with fluctuating activity patterns saw the most improvement.
This analysis provides the largest systematic evidence to date on CBT's effectiveness for ME/CFS and identifies which patients are most likely to benefit. Understanding treatment response variation can help clinicians better counsel patients on realistic expectations and tailor treatment approaches. The findings challenge recent guideline recommendations that downgraded evidence from studies not requiring post-exertional malaise criteria.
This study does not prove CBT is a cure for ME/CFS or that it works equally well for all patients. It cannot establish causation regarding why certain characteristics predict better outcomes—the mechanisms remain unclear. The pooled trials may not represent all ME/CFS populations, and benefits measured in controlled settings may not fully translate to real-world clinical practice.
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 →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Kuut, T A, Buffart, L M, Braamse, A M J, Csorba, I, Bleijenberg, G, Nieuwkerk, P, et al. (2024). Does the effect of cognitive behavior therapy for chronic fatigue syndrome (ME/CFS) vary by patient characteristics? A systematic review and individual patient data meta-analysis.. Psychological medicine. https://doi.org/10.1017/S0033291723003148
BibTeX
@article{mecfsatlas-kuut-2024-does-effect,
author = {Kuut, T A and Buffart, L M and Braamse, A M J and Csorba, I and Bleijenberg, G and Nieuwkerk, P and Moss-Morris, R and Müller, F and Knoop, H},
title = {Does the effect of cognitive behavior therapy for chronic fatigue syndrome (ME/CFS) vary by patient characteristics? A systematic review and individual patient data meta-analysis.},
journal = {Psychological medicine},
year = {2024},
doi = {10.1017/S0033291723003148},
note = {PubMed: 37927223},
url = {https://www.mecfsatlas.com/evidence/kuut-2024-does-effect},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-04-21. https://www.mecfsatlas.com/evidence/kuut-2024-does-effect
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