ClinicalTrials.gov is an award winning website that provides regularly updated information about federally and privately supported clinical trials. This information includes details about a trial's purpose, who may participate, locations, and phone numbers for more details.
This is also a good site for general resources if you want to learn more about clinical trials:
Questions About Clinical Trials It is important to understand as much as possible about what clinical trials are, how they are conducted, and what can be learned. Check out these answers to common questions about clinical trials.