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The alleged ineffec...
The alleged ineffectiveness of SSRIs in depression is an artefact caused by the use of an inappropriate measure of efficacy
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- Hieronymus, Fredrik, 1986 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology
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- Emilsson, Johan Fredrik (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology
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- Nilsson, Staffan, 1956 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper, matematisk statistik,Department of Mathematical Sciences, Mathematical Statistics,Chalmers tekniska högskola,Chalmers University of Technology,University of Gothenburg
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- Eriksson, Elias, 1956 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology
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(creator_code:org_t)
- New York : Cambridge University Press, 2014
- 2014
- Engelska.
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Ingår i: International Journal of Neuropsychopharmacology vol. 17 Supplement 1. 29th CINP World Congress of Neuropsychopharmacology, Vancouver, Canada, 22–26 June 2014. - New York : Cambridge University Press. - 1461-1457 .- 1469-5111.
- Relaterad länk:
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http://dx.doi.org/10...
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Abstract
Ämnesord
Stäng
- Objective: Many studies have questioned if summation of the scores of the 17 disparate items constituting the Hamilton Depression Rating Scale (HDRS-17) is a reliable index of severity in depression; yet the cur- rent questioning of the ef fi cacy of antidepressant drugs is to a large extent based on the assumption that response to treatment is reliably re fl ected by this instrument. We aimed to investigate the possibility that the shortcom- ings of the HDRS may contribute to the failure of antidepressants to out- perform placebo in many trials. Methods: We analyzed thirteen industry-sponsored trials of selective serotonin reuptake inhibitors (SSRIs) comprising twenty-four drug- placebo comparisons and including patient-level data from 5381 subjects (administered paroxetine, citalopram, fl uoxetine, or placebo), the aim being to assess what the outcome would have been if the single item de- pressed mood (rated 0 – 4) had been used as measure of ef fi cacy. Results: While 12 out of 24 comparisons (50%) revealed a signi fi cant difference between active drug and placebo at week 6 with respect to re- duction in HDRS-17-sum, 23 out of 24 comparisons (96%) showed the ac- tive drug to be superior to placebo in reducing depressed mood. Correspondingly, a pooled analysis of all cases showed the effect size when assessed using the HDRS-17-sum to be 0.30, whereas it, when mea- sured using the depressed mood item alone, was 0.42. Conclusion: While not claiming that measuring one item only is the most appropriate way of recording symptom severity in depression, we do suggest that the inclusion of a number of varying symptoms in the as- sessment, some of which may be side-effects of treatment and/or are unre- lated to the disorder, reduces the sensitivity to detect a difference between active drug and placebo. This lack of sensitivity of HDRS-17 might partly explain why a high fraction of antidepressant trials fail to reveal a signi fi - cant difference between treatment groups
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Nyckelord
- Clinical Neurology
- Neurosciences
- Pharmacology & Pharmacy
- Psychiatry
- Pharmacology & Pharmacy
Publikations- och innehållstyp
- vet (ämneskategori)
- kon (ämneskategori)
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