Randomised trials are often funded by commercial companies and methodological studies support a widely held suspicion that commercial funding may influence trial results and conclusions. However, these studies often have a risk of confounding and reporting bias. The risk of confounding is markedly reduced in meta-epidemiological studies that…

The practice of prospectively registering the details of intervention studies in a public database or registry is gaining momentum across disciplines as a strategy for increasing the transparency, credibility, and accessibility of study findings. In this article, we consider five registries that may be relevant for registration of intervention…

In this information system, sponsored research information is routinely forwarded, in machine-readable form, from NIH to Columbia, to the benefit of each. The promotion of future systems development is enhanced through the adoption of standardized data element designations and definitions. (LBH)