To this end, both Virco and ViroLogic are building up databases relating findings from their tests to later treatment outcomes. Major validation studies are still in the discussion stage, though. Such studies could be retrospective, using stored samples from previous clinical trials whose outcomes are already documented, or prospective ones, in which new study participants are recruited and the benefit of resistance testing for patient management is recorded as it unfolds. Reproduced with permission. Inc. All rights reserved.
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