What are the potential risks of participating in the study?
Rash
Temporary, non-life-threatening increase in blood pressure
Transmission of hepatitis and HIV viruses
Kidney or liver damage with some resulting loss of kidney or liver function has occurred in patients who received other free hemoglobin products, but so far has not been found in patients who received PolyHeme®, however there is a potential risk that this may occur with PolyHeme® also.
Unforeseen happenings
http://irb.ucsd.edu/notices/polyheme/FAQs.htm