Finally, most trials required extensive experience of the surgeons carrying out carotid endarterectomy, whereas the corresponding requirements for interventionalists doing carotid stenting were less stringent.
Edward Abrahams, executive director of the Personalized Medicine Coalition, which advocates such genetic testing, said the expensive clinical trials required by Medicare might be unreasonable for diagnostic tests.
By the time Neurocrine applied for a patent, the company had already conducted most of the clinical trials required for Food and Drug Administration approval.
Often relying on as few as a dozen subjects, these studies are scaled-down versions of the double-blind, placebo-controlled clinical trials required before drugs can be approved.
In clinical trials required for F.D.A. approval, the product proved 38percentt more effective than current methods of plugging holes in teeth, and generated new growth over roughly three-fourths of deteriorated areas.
In addition, the number of trials required to reach this asymptote decreases for larger asymptotic values.
To reduce the amount of trials required, Taguchi developed a contrivance to enhance the quality of a system product.
The number of trials required is simply a function of the time the desired signal occupies the band.
Therefore, the performance can be thus evaluated simply using the number of trials required for a given detection accuracy.
Yet drugmakers have failed to begin two-thirds of the 1,200 post-marketing trials required by the FDA.
In cognitive fusion blocks, the single-sensor trials required one image that was displayed either to the left or right of the center.
