The collection and storage of human biological samples has become integral to clinical research.1 These samples, estimated to be in the hundreds of millions in the United States alone, have enormous potential.2 However, requiring individuals' informed consent each time collected samples are used for new research could thwart this potential, increasing costs, decreasing response rates, burdening individuals, and precluding some studies altogether.
Wendler D. One-Time General Consent for Research on Biological Samples: Is It Compatible With the Health Insurance Portability and Accountability Act? Arch Intern Med. 2006;166(14):1449–1452. doi:10.1001/archinte.166.14.1449
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