After his debut half century, Australian Twenty20 specialist David Warner did not prove so effective on his second appearance, making only 19.
These results thus shed light on why, in a series of clinical trials conducted last autumn, leptin treatment did not prove uniformly effective (let alone miraculous).
Christie Ballantyne, a cardiologist at the Baylor College of Medicine, also sees risks that torcetrapib might not prove an effective way to raise HDL. And he sees another challenge.
But the results were not good enough for Dendreon to file with the Food and Drug Administration, and they could stoke investor fears that the study might not be big enough to prove Provenge is effective--even if the drug really does save lives.
In order to meet the demands and expectations of oncologists, regulators and payers, the sponsor of the next ALK inhibitor will need to prove not only that its drug is effective, but the sponsor also will need to run comparator studies of its new drug against Xalkori.
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But even if Cook's paclitaxel-coated stents prove medically effective, the plan may not save the day for Guidant.
And a debate is raging as to whether or not to inoculate the public against smallpox or whether the vaccine would prove effective against genetically engineered strains of the virus.
As Norm Ornstein of the American Enterprise Institute points out, this line of argument may also prove effective after the war, if the diplomatic wounds do not rapidly heal.
But if the smaller and scalable technologies prove effective, they will establish valuable niche markets for themselves not just among the TVAs of the world but also among those local utilities and less developed countries that need a clean and continuous source of power.
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On the other hand, chemical or biological arms may be used against America's allies in the region -- or even the United States, itself -- whether or not the President orders the disarming of Iraq in the only way likely to prove effective, i.e.
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What they did not appreciate until recently, Dr Schroeder says, is that corporate managed care would prove far more effective at putting them in their place.
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