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Wilkinson J, Brison DR, Duffy JMN, Farquhar CM, Lensen S, Mastenbroek S, van Wely M, Vail A. Don’t abandon RCTs in IVF. We don’t even understand them. Hum Reprod 2019. [PMCID: PMC6994932 DOI: 10.1093/humrep/dez199] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The conclusion of the Human Fertilisation and Embryology Authority that ‘add-on’ therapies in IVF are not supported by high-quality evidence has prompted new questions regarding the role of the randomized controlled trial (RCT) in evaluating infertility treatments. Critics argue that trials are cumbersome tools that provide irrelevant answers. Instead, they argue that greater emphasis should be placed on large observational databases, which can be analysed using powerful algorithms to determine which treatments work and for whom. Although the validity of these arguments rests upon the sciences of statistics and epidemiology, the discussion to date has largely been conducted without reference to these fields. We aim to remedy this omission, by evaluating the arguments against RCTs in IVF from a primarily methodological perspective. We suggest that, while criticism of the status quo is warranted, a retreat from RCTs is more likely to make things worse for patients and clinicians.
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Affiliation(s)
- J Wilkinson
- Centre for Biostatistics, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - D R Brison
- Department of Reproductive Medicine, Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, UK
- Maternal and Fetal Health Research Centre, Faculty of Life Sciences, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
| | - J M N Duffy
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
- Balliol College, University of Oxford, Oxford, UK
| | - C M Farquhar
- Cochrane Gynecology and Fertility Group, Department of Obstetrics and Gynaecology, University of Auckland, Auckland, New Zealand
| | - S Lensen
- Cochrane Gynecology and Fertility Group, Department of Obstetrics and Gynaecology, University of Auckland, Auckland, New Zealand
| | - S Mastenbroek
- Amsterdam UMC, University of Amsterdam, Center for Reproductive Medicine, Amsterdam Reproduction & Development Research Institute, Amsterdam, Netherlands
| | - M van Wely
- Amsterdam UMC, University of Amsterdam, Center for Reproductive Medicine, Amsterdam Reproduction & Development Research Institute, Amsterdam, Netherlands
| | - A Vail
- Centre for Biostatistics, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
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Abstract
John Ioannidis argues that problem base, context placement, information gain, pragmatism, patient centeredness, value for money, feasibility, and transparency define useful clinical research. He suggests most clinical research is not useful and reform is overdue.
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Affiliation(s)
- John P. A. Ioannidis
- Stanford Prevention Research Center, Department of Medicine and Department of Health Research and Policy, Stanford University School of Medicine, Palo Alto, California, United States of America
- Meta-Research Innovation Center at Stanford (METRICS), Stanford University, Palo Alto, California, United States of America
- * E-mail:
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