At HGS seven gene-based drugs have entered trials, but most remain in the earlier stages of clinical testing.

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Together, the two companies would have 19 medicines in the late stages of clinical testing and four already in front of regulators.

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Scangos says companies should start looking for genetic variations that predict a drug's efficacy in the very early stages of clinical testing.

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Eli Lilly is still developing a similar, but not identical, antibody, and Pfizer has a third in the earlier stages of clinical research.

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While other pharmaceutical companies have paid large amounts of cash for biotech drugs that had nearly completed human testing, Roche (otc: RHHBY - news - people ) has been sticking mostly to those that are in the earliest (phase I) or middle (phase II) stages of clinical trials.

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Bresee said he is not equating this new H3N2 flu with the 2009 flu, but a new H3N2 vaccine is in the early stages of development and clinical trials are expected later this year.

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It also has a drug that is being tested in late-stage clinical trials and another in the early stages of development.

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Both drugs and devices must now be pre-certified for efficacy as well as for safety, in stages from lab testing to clinical trials, before ever having a shot at the market.

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