Cancer Therapy Evaluation Program's guidelines for monitoring of clinical trials for cooperative groups, CCOP research bases, and the Cancer Trials Support Unit (CTSU). Available at: http://ctep.info.nih.gov/monitoring/guidelines.html (accessed September 28, 2004).
National Heart, Lung, and Blood Institute.Establishing data and safety monitoring boards (DSMBs) and observational study monitoring boards (OSMBs). Available at: http://www.nhlbi.nih.gov/funding/policies/dsmb_est.htm (accessed September 28, 2004).
Food and Drug Administration.Guidance for clinical trial sponsors on the establishment and operation of clinical trial data monitoring committees. Available at: http://www.fda.gov/cber/gdlns/clindatmon.pdf (accessed September 28, 2004).
SydesM.R., SpiegalhalterD.J., AltmanD.G.Systematic qualitative review of the literature on data monitoring committees for randomized controlled trials.Clin Trials2004; 1(1): 60–77.