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Blood Brothers: Chiron and Gen-Probe

Executive Summary

The FDA's approval of Procleix HIV-1/ HCV combination assays all but cemented Chiron and Gen-Probe's dominance of DNA-based screening of the US blood supply. The approval changes the economics of providing HIV/ HCV screening to blood banks. The blood banks had been using Procleix or two separate tests supplied by Roche under IND status, paying at cost. Now, they have to pay commercial prices for Procleix. The hike is stretching budgets, but, for a variety of reasons, still more than 70% of US blood banks use Procleix, which is a combination of two assays on one sample.

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