Before 2000, they say, there was little clinical evidence of a heart risk for Vioxx.
The Tories say there is a "paucity of clinical evidence" and instead financial concerns are driving the changes.
As clinical evidence accumulates on the virtual colonoscopy, doctors and insurers will be able to adjust their practices accordingly.
There was absolutely no question of me taking part in decisions which will be made on clinical evidence, they'll be made after extensive consultation.
She said the programme had focused "on improving safety of services by proposing changes which are based on the most up-to-date clinical evidence and guidance".
Reassured by the clinical evidence before her, Anna agreed to treatment.
He said that there was clinical evidence to support longer consultations.
Most importantly, the Oregon results on health outcomes are consistent with a mountain of clinical evidence showing that Medicaid makes no meaningful difference, at best, compared to being uninsured.
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Dr David Geddes, medical director for NHS North Yorkshire and York, said the units were bought based on clinical evidence and had enhanced the quality of life for many patients.
In the United Kingdom there's a controversial agency called the National Institute for Health and Clinical Evidence that performs those kinds of studies and sets policy for the national health budget.
"There is a significant body of scientific and clinical evidence supporting the safety and efficacy of ginkgo extract for both cognitive function and improved circulation, " said Mark Blumenthal, executive director of the American Botanical Council.
"There is good clinical evidence that longer consultations will allow us to do that, but if we are to meet all the targets the government is setting us we need far more GPs, and more nurses, " he added.
Leslie Hamilton, vice chair of Safe and Sustainable, the NHS group reviewing children's congenital heart services, said he believed there had been a recognition by some experts in the field that "change is needed" based on clinical evidence that larger units had better results "by way of fewer deaths and fewer complications".
There is good reason to be concerned that practicing the broad export of MSKCC-inspired clinical algorithms, which may sometimes appear to have been developed with only a passing nod to compelling clinical evidence and near disdain for fiscal restraint, could be a bit too much like having shopping algorithms inspired by the Kardashians.
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In a statement, a NHS Berkshire spokesman said its policies were based on "clinical effectiveness evidence" as well as cost.
It is not supported by any clinical research evidence that would allow claims to be made that it is the cause of disease or health concerns.
HPS2-THRIVE was designed to answer criticism from the FDA and other experts about the lack of any evidence demonstrating clinical benefit.
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Even in the absence of plausible theory (or just common sense), rigorous clinical testing could provide evidence of homeopathy's effectiveness, but the data suggest otherwise.
Sepracor said that Lunesta had been proven safe and effective over a six-month period in two different clinical studies, without evidence of patients becoming tolerant of the drug.
Cardiology is famous for producing more evidence about our clinical strategies than any other medical field.
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In the accepted hierarchy of evidence generation, the results of a randomized, controlled clinical trial usually take precedence over other forms of evidence such as meta-analysis and observational studies.
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We must also have clinical trials to produce a range of evidence-based primary care solutions which are proven to be cost-effective.
Due to the lack of evidence of efficacy in early clinical trials, the drug (a combination of two proven cardiac medicines) had been rejected by the Food and Drug Administration nine years previously for approval for patients of all races.
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Currently the evidence that robot surgery offers better clinical outcomes is mixed.
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Surely if DMAA was as dangerous as it has been made out to be in the media coverage, there would be a confluence of evidence from the risks identified in clinical studies and a substantial body of case reports tying those risks to adverse and fatal outcomes?
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"This is a randomised clinical trial which is the gold standard for producing evidence, " she added.
The advisory panel decided that clinical studies presented by Transkaryotic did not provide strong evidence that the drug worked.
"British consultants have to meet exacting standards by providing evidence of continuing professional education and good clinical governance but the Department of Health appears not to enforce these standards on imported surgeons, " they said.
There are several potential concerns about DPP-4 drugs, clear evidence of them has not turned up in clinical trials so far.
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