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Publikationstyp: Beitrag in wissenschaftlicher Zeitschrift
Art der Begutachtung: Open peer review
Titel: Statistically significant antidepressant-placebo differences on subjective symptom-rating scales do not prove that the drugs work : effect Size and method bias matter!
Autor/-in: Hengartner, Michael P.
Plöderl, Martin
DOI: 10.21256/zhaw-4760
10.3389/fpsyt.2018.00517
Erschienen in: Frontiers in Psychiatry
Band(Heft): 9
Heft: 517
Erscheinungsdatum: 2018
Verlag / Hrsg. Institution: Frontiers Research Foundation
ISSN: 1664-0640
Sprache: Englisch
Fachgebiet (DDC): 616.8: Neurologie und Krankheiten des Nervensystems
Zusammenfassung: Following the publication of a recent meta-analysis by Cipriani et al., various opinion leaders and news reports claimed that the effectiveness of antidepressants has been definitely proven. E.g., Dr. Pariante, spokesperson for the Royal College of Psychiatrists, stated that this study “finally puts to bed the controversy on antidepressants, clearly showing that these drugs do work in lifting mood and helping most people with depression” (https://www.theguardian.com/science/2018/feb/21/the-drugs-do-work-antidepressants-are-effective-study-shows). We surely would embrace drug treatments that effectively help most people with depression, but based on work that has contested the validity of mostly industry-sponsored antidepressant trials we remain skeptical about antidepressants' clinical benefits. The most recent meta-analysis indeed concludes that antidepressants are more effective than placebo but also acknowledges that risk of bias was substantial and that the mean effect size of d = 0.3 was modest. Unfortunately, no clarification is given what this effect size means and whether it can be expected to be clinically significant in real-world routine practice. In this opinion paper we therefore ponder over how the reported effect size of d = 0.3 relates to clinical significance and how method bias undermines its validity, in order that the public, clinicians, and patients can judge for themselves whether antidepressants clearly work in most people with depression.
URI: https://digitalcollection.zhaw.ch/handle/11475/12240
Volltext Version: Publizierte Version
Lizenz (gemäss Verlagsvertrag): Lizenz gemäss Verlagsvertrag
Departement: Angewandte Psychologie
Organisationseinheit: Psychologisches Institut (PI)
Enthalten in den Sammlungen:Publikationen Angewandte Psychologie

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Hengartner, M. P., & Plöderl, M. (2018). Statistically significant antidepressant-placebo differences on subjective symptom-rating scales do not prove that the drugs work : effect Size and method bias matter! Frontiers in Psychiatry, 9(517). https://doi.org/10.21256/zhaw-4760
Hengartner, M.P. and Plöderl, M. (2018) ‘Statistically significant antidepressant-placebo differences on subjective symptom-rating scales do not prove that the drugs work : effect Size and method bias matter!’, Frontiers in Psychiatry, 9(517). Available at: https://doi.org/10.21256/zhaw-4760.
M. P. Hengartner and M. Plöderl, “Statistically significant antidepressant-placebo differences on subjective symptom-rating scales do not prove that the drugs work : effect Size and method bias matter!,” Frontiers in Psychiatry, vol. 9, no. 517, 2018, doi: 10.21256/zhaw-4760.
HENGARTNER, Michael P. und Martin PLÖDERL, 2018. Statistically significant antidepressant-placebo differences on subjective symptom-rating scales do not prove that the drugs work : effect Size and method bias matter! Frontiers in Psychiatry. 2018. Bd. 9, Nr. 517. DOI 10.21256/zhaw-4760
Hengartner, Michael P., and Martin Plöderl. 2018. “Statistically Significant Antidepressant-Placebo Differences on Subjective Symptom-Rating Scales Do Not Prove That the Drugs Work : Effect Size and Method Bias Matter!” Frontiers in Psychiatry 9 (517). https://doi.org/10.21256/zhaw-4760.
Hengartner, Michael P., and Martin Plöderl. “Statistically Significant Antidepressant-Placebo Differences on Subjective Symptom-Rating Scales Do Not Prove That the Drugs Work : Effect Size and Method Bias Matter!” Frontiers in Psychiatry, vol. 9, no. 517, 2018, https://doi.org/10.21256/zhaw-4760.


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