statistics - Are there any online resources one can use to access raw clinical trial data without having to contact those involved in the study?

I want to do some statistical analysis and I have a preference for real data so I was wondering if there's somewhere I can get such data for free without a heap of bother in phoning those involved in the studies in question.

Answer

See these three sites:

For clinical trials conducted by other agencies (in different countries), you may have to contact those authorities.