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The effects of psychotherapies for depression on response, remission, reliable change, and deterioration: A meta‐analysis
Abstract
Objective: Meta‐analyses of psychotherapies usually report effects sizes, while clinicians and patients need to know the proportion of patients who benefit from therapy. We conducted a meta‐analysis of therapies for depression reporting the rates of response (50% symptom reduction), remission (HAM‐D <7), clinical significant deterioration for psychotherapy, and control conditions (CAU, waitlist, and pill placebo), as well as the relative risk of these outcomes and the numbers‐needed‐to‐be‐treated (NNTs). Methods: We searched bibliographic databases and included 228 randomized trials comparing psychotherapy for depression against control conditions (75 with low risk of bias). Only therapies with at least 10 trials were included. We extracted outcomes from the studies, and for those studies not reporting the outcomes, we used a validated method to estimate the rates. Results: The overall response rate in psychotherapies at 2 (±1) months after baseline was 41% (95% CI: 38~43), 17% (15~20) for usual care (CAU), and 16% (95% CI: 14~18) for waitlist. No significant differences between types of therapy were found. The NNT for therapy versus CAU was 5.3 and versus waitlist 3.9. About one third of patients remitted after therapy compared with 7%–13% in control conditions. The rates of deterioration were 5% versus 12%–13%, respectively. Most sensitivity analyses supported the general findings. Conclusion: Psychotherapies for depression may be effective compared with control conditions, but more than half of patients receiving therapy do not respond and only one third remitted. More effective treatments and treatment strategies such as sequencing and combining treatments are clearly needed.
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“Nevertheless, several methodological reviews highlight common issues in psychotherapy RCTs, such as poor controls, high dropout rates, inconsistent intervention fidelity, incomplete adverse effect reporting, and selection bias (Bertolín-Guillén, 2024;Crotty et al., 2024;Cuijpers et al., 2021;Melo-Carrillo et al., 2023).”
From Effectiveness Of Narrative Therapy In Addressing Psychological Challenges: A Systematic Review Of Randomised Controlled Trials (2026) · cites this paper as Cuijpers et al., 2021
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“Premature dropout hampers accurate assessment of therapy effectiveness (Melo-Carrillo et al., 2023), and variations in NT implementation reduce the comparability of study results (Cuijpers et al., 2021).”
From Effectiveness Of Narrative Therapy In Addressing Psychological Challenges: A Systematic Review Of Randomised Controlled Trials (2026) · cites this paper as Cuijpers et al., 2021
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“The absence of adverse event reporting hampers risk-benefit analysis (Cuijpers et al., 2021), while weak randomization can introduce selection bias (Bertolín-Guillén, 2024).”
From Effectiveness Of Narrative Therapy In Addressing Psychological Challenges: A Systematic Review Of Randomised Controlled Trials (2026) · cites this paper as Cuijpers et al., 2021
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Cuijpers, P., Miguel, C., Harrer, M., Plessen, C. Y., Ciharova, M., Ebert, D., & Karyotaki, E. (2023) · World Psychiatry · doi:10.1002/wps.21069 · Cited by 354
Self-citationMore treatment but no less depression: The treatment-prevalence paradox
Ormel, J., Hollon, S. D., Kessler, R. C., Cuijpers, P., & Monroe, S. M. (2022) · Clinical Psychology Review · doi:10.1016/j.cpr.2021.102111 · Cited by 213
Self-citationCuijpers, P., Karyotaki, E., Ciharova, M., Miguel, C., Noma, H., Stikkelbroek, Y., Weisz, J. R., & Furukawa, T. A. (2023) · European Child & Adolescent Psychiatry · doi:10.1007/s00787-021-01884-6 · Cited by 118
Self-citationAndersson, G., Käll, A., Juhlin, S., Wahlström, C., de Fine Licht, E., Färdeman, S., Franck, A., Tholcke, A., Nachtweij, K., Fransson, E., et al. (2023) · Behaviour Research and Therapy · doi:10.1016/j.brat.2023.104265 · Cited by 51
Systematic review and meta-analysis of adverse events in clinical trials of mental health apps
Linardon, J., Fuller-Tyszkiewicz, M., Firth, J., Goldberg, S. B., Anderson, C., McClure, Z., & Torous, J. (2024) · npj Digital Medicine · doi:10.1038/s41746-024-01388-y · Cited by 44
Schramm, E., Elsaesser, M., Jenkner, C., Hautzinger, M., & Herpertz, S. C. (2024) · World Psychiatry · doi:10.1002/wps.21204 · Cited by 34
Negative effects in internet-based interventions for depression: a qualitative content analysis
Fenski, F., Rozental, A., Heinrich, M., Knaevelsrud, C., Zagorscak, P., & Boettcher, J. (2021) · Internet Interventions · doi:10.1016/j.invent.2021.100469 · Cited by 28
Cuijpers, P., Miguel, C., Harrer, M., Ciharova, M., & Karyotaki, E. (2024) · Journal of Affective Disorders · doi:10.1016/j.jad.2024.05.019 · Cited by 30
Self-citationElsaesser, M., Herpertz, S., Piosczyk, H., Jenkner, C., Hautzinger, M., & Schramm, E. (2022) · BMJ Open · doi:10.1136/bmjopen-2021-057672 · Cited by 19
Gloster, A. T., Haller, E., Villanueva, J., Block, V., Benoy, C., Meyer, A. H., Brogli, S., Kuhweide, V., Karekla, M., Bader, K., et al. (2023) · Psychotherapy and Psychosomatics · doi:10.1159/000529411 · Cited by 16
Franken, K., Schuffelen, P., ten Klooster, P., van Doesum, K., Westerhof, G., & Bohlmeijer, E. (2023) · Frontiers in Psychology · doi:10.3389/fpsyg.2023.985408 · Cited by 16
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“For adults, almost 60% do 419 not respond to treatment, 41% respond within two months, and 17% respond in 420 control conditions [25].”
BackgroundDelli Colli, C., Viglione, A., Poggini, S., Cirulli, F., Chiarotti, F., Giuliani, A., & Branchi, I. (2025) · Translational Psychiatry · doi:10.1038/s41398-025-03246-1 · Cited by 7
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Permatasari, D. P., Windarwati, H. D., & Lestari, R. (2026) · Indigenous: Jurnal Ilmiah Psikologi · doi:10.23917/indigenous.v11i1.13778
Metadata
- Authors
- Cuijpers, P., Karyotaki, E., Ciharova, M., Miguel, C., Noma, H., & Furukawa, T. A.
- Affiliations
- Department of Clinical, Neuro and Developmental Psychology Amsterdam Public Health Research Institute Vrije Universiteit Amsterdam Amsterdam the Netherlands
- Department of Data Science Institute of Statistical Mathematics Tokyo Japan
- Department of Health Promotion and Human Behavior Kyoto University Graduate School of Medicine/School of Public Health Kyoto Japan
- Venue
- Acta Psychiatrica Scandinavica
- Publisher
- Wiley
- Published
- 2021-07-04
- Volume
- 144
- Issue
- 3
- Pages
- 288-299
- ISSN
- 0001-690X
- 1600-0447
- PMC
- PMC8457213
- Cited by
- 336
- References
- 18
- Language
- en
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