• Cancer.Net
Provides general information about clinical trials and stories from people who have been on clinical trials.

https://www.cancer.net/research-and-advocacy/clinical-trials

• CenterWatch
Offers access to health and patient organizations, blogs and support groups, and a glossary.
https://www.centerwatch.com/

• Chinese Clinical Trial Registry

Provides the services include register for trials, consultation for trial design, central randomization for an allocation sequence, peer review for draft articles and training for peer reviewers.

http://www.chictr.org.cn/enIndex.aspx

• US National Cancer Institute Clinical Trials Information for Patients and Caregivers
Provides general information about clinical trials as well as information about finding a clinical trial, clinical trial results, paying for clinical trials, patient safety and other topics.
https://www.cancer.gov/about-cancer/treatment/clinical-trials

• US National Institutes of Health Clinical Research Trials and You
Provides basic information, volunteer stories and educational materials for children and seniors, and Spanish language materials.
http://www.nih.gov/health/clinicaltrials/index.htm