Most patients will give consent for research using stored blood

Over 90% of people who had given blood for future research in 1990 gave their consent for academic or commercial genetic studies to be carried out 11 years later (p 634). In 2001 Stegmayr and Asplund contacted the 1494 people who had given their blood in 1990 as part of a WHO risk factor survey. They traced 1409 and received responses from 1342: 1311 gave consent to academic genetic research and 1276 to commercial genetic research; 31 and 66 respectively refused. Among those who consented to academic research 292 wanted to be asked about each new future study. The authors conclude that it is feasible to seek consent and that few people refuse.

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Relevant Article

Informed consent for genetic research on blood stored for more than a decade: a population based study

Birgitta Stegmayr and Kjell Asplund
BMJ 2002 325: 634-635. [Extract] [Full Text] [PDF]