Do protocols for new randomised trials take previous similar trials into account? Cohort study of contemporary trial protocols
Objective To investigate to what extent evidence from previous similar trials or systematic reviews was considered before conducting new trials.Design Cohort study of contemporary protocols for trials with ethical approval.Methods All protocols for randomised trials approved by the five ethical comm...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2019-11-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/9/11/e026661.full |
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