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THURSDAY, Oct. 8 (HealthDay News) -- About two-thirds of patients with chronic fatigue syndrome sampled in a recent study were infected with a retrovirus called XMRV.
The finding, albeit preliminary, has raised hopes that there might be a concrete cause for the mysterious malady and thus, down the line, treatments for the disease.
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"This study does not prove that XMRV is the cause of chronic fatigue syndrome, however it does suggest it is a viable candidate for a cause," said Robert H. Silverman, co-author of a report appearing online Oct. 8 in Science.
"But if it can be proven that the virus causes the disease, that would be a breakthrough in diagnosing, combating and preventing the disease," added Silverman, a professor of cancer biology at the Cleveland Clinic Lerner Research Institute. "There could be an antiretroviral drug that could prevent this virus from replicating."
Another expert was similarly hopeful.
"This article could give a spark of hope, one, that chronic fatigue syndrome is caused by something, and two, if that bears out, maybe we could do something about it," said Dr. Tamara Kuittinen, an emergency physician with Lenox Hill Hospital in New York City.
Chronic fatigue syndrome was first recognized in the late 1980s and initially dubbed the "yuppie flu," resulting in an enduring credibility crisis.
Some segments of the medical community do not believe it is a discrete illness because there is no known cause, and diagnosis can only be made through excluding other conditions, such as depression.
"There's no test, no clear etiology, the symptoms are vague, there's no treatment and no cure," said Kuittinen. "It's very frustrating."
Possible explanations for the disease have been far-reaching, ranging from different viruses, including Epstein-Barr, enteroviruses and herpes, to childhood trauma.
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