Before Vioxx, such combined studies raised concerns about links between common antidepressants and suicidal thoughts.
One such would-be magnate is Vipin Motwani, who has combined his MBA studies at Arizona State University in Phoenix with co-launching an Internet-based food enterprise.
When they looked at the two studies combined, they found some trends toward a higher risk of cancers that could be linked with aspartame, but the researchers admitted that the findings could also be due to chance.
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Eddie was three weeks into a combined Asian and Pacific studies and international management course at Leeds University when he decided to travel to South East Asia.
Later, combined data from different studies prevented Pargluva, a medicine from Bristol-Myers Squibb that was meant to work in a way similar to Avandia, from being approved, also because of heart risks.
In a second report in the same issue of the journal, researchers combined data from 20 studies, including a total of almost 250, 000 healthy people from Norway, the Netherlands, Russia, Sweden, Japan, and Britain.
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We find this works best when environmental studies are combined with emotional and social intelligence, to help kids bring skills like motivation, teamwork and collaboration to bear on understanding our ecological predicaments and finding workable solutions.
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Later, combined data from different studies prevented Pargluva, a medicine from Bristol-Myers Squibb (nyse: BMY - news - people ) that was meant to work in a way similar to Avandia, from being approved, also because of heart risks.
The past few days have seen a string of new drug decisions where an FDA panel of outside experts and academics has been called upon to make tough calls For Xinlay, Abbott combined data from two studies that did not meet their main endpoint.
Dendreon's application to the FDA contains two late-stage studies with a combined total of 225 patients.
Gold says the evidence for Provenge is stronger than for other new cancer treatments, with three different late-stage studies showing a combined survival benefit.
Some stipulated that it would also be OK for companies to fund a series of studies that could be combined, or to start one large trial and take an early look to get approval.
Fiona Kirkwood, cardiac nurse for the British Heart Foundation, said recent randomised studies had shown that combined hormone replacement therapy (oestrogen and progesterone) did not provide any protective benefit to women for coronary heart disease.
Sassan Saatchi, who works at NASA's Jet Propulsion Laboratory in Pasadena, California, and his collaborators have combined such data with the results of other studies on the ground and with a wider range of satellite images.
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When 42 different studies of its diabetes drug Avandia were combined, the drug appeared to raise patients' chances of having a heart attack by 30%.
Taurine has been shown in some studies to boost athletic performance and may, combined with caffeine, improve concentration and memory.
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When researchers combined data from the 168 young people in these four studies, they found no evidence that homeopathic treatments were of benefit for ADHD.
In the past, researchers have flip-flopped on the issue, so they recently combined some of the best data - from 2.7 million women in 38 separate studies - to look for solid evidence.
Peter Hill, a consultant child psychiatrist, says that some patients wait 18 months for therapeutic help despite studies in America which show that behavioural therapy can work, on its own or combined with low doses of drugs.
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Few studies have compared exercise to drug treatment, but two randomized trials have shown that vigorous exercise combined with cognitive treatment is just as good as spinal fusion surgery, with fewer complications.
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