National Institute of Health
Program dedicated to latest information regarding health issues and ongoing scientific research and special reports.
National Cancer Institute
NCI website provides a great deal of information for clinical trials. Although the information is primarily focused on cancer research, this can be useful for any type of research.
WebMD Clinical Trial Services
This site contains various types of information regarding clinical trials. This website provides a common sense guide for clinical trials which includes information such as commonly asked questions and a glossary.