The best orthopedic surgeons perform many procedures as they master the clinical learning curve, ideally for a single injury.

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He participated in the clinical trials of the CorPath 200 system in 25 procedures.

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Weight-loss procedures using natural orifices are under way in clinical trials.

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The new study, published online in the journal Nature Biotechnology, represents an early example of how social networking could play a role in clinical trials, an area of medical science with strict procedures that many would consider especially difficult to apply in the online world.

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The new outfit, Transcelerate Biopharma, was created out of a regular meeting of drug company research chiefs and will focus on five areas where the clinical trials that are used to test medicines wastefully duplicate procedures like training physicians, running websites, or creating procedures to document the benefits and side effects of new medicines.

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The IDE is an attempt to balance the need for rational clinical trials, on the one hand, and the growing pressure to perform off-label procedures.

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