We expect a degree of duplicate registration. Registration information can be posted or faxed to the editorial offices of CMAJ . The information will be made available on the World Wide Web and in other ways as appropriate. If specific trial data are required, for example, by those conducting systematic reviews, then the reviewer will be able to seek information directly from the trialist. Some of the trials may be suitable for full publication, and we will be happy to consider these, provided they are submitted in accordance with our instructions for authors.
Medical editors are acutely aware of the trials and tribulations of research reporting.
But on this occasion, because of the serious implications of unreported research, we are endeavouring to cleave the trials from the tribulations. NIH clinical trials and publication bias. Publication bias in clinical research. Egger M, Davey Smith G. Misleading meta-analysis. Some suggestions for improving performance and accountability.