Book excerpt: Ethical Considerations When Preparing a Clinical Research Protocol, Second Edition, provides a foundation for improving skills in the understanding of ethical requirements in the design and conduct of clinical research. It includes practical information on ethical principles in clinical research, how to design appropriate research studies, how to consent and assent documents, how to get protocols approved, special populations, confidentiality issues, and the reporting of adverse events. The book's valuable appendix includes a listing of web resources about research ethics, along with a glossary, making it an invaluable resource for scientists collaborating in clinical trials, physician investigators, clinical research fellows, and more. Walks investigators and trainees through the identification of the ethical aspects of each section of a clinical research protocol Includes case histories that illustrate key points Contains information on conducting clinical research within the pharmaceutical industry Includes internet resources and worldwide web addresses for important research ethics documents and regulations Contains a chapter on Study Design and Methodology that is purposely expanded to explicitly address biostatistical considerations