n used off-label for years to treat headaches, shingles pain and other ailments. Scientists hypothesize that gabapentin may reduce hot flashes by regulating the flow of calcium in and out of cells, which is one mechanism for controlling body temperature.
An expert panel on menopause convened by the National Institutes of Health last year cautioned against the tendency to use treatments with scant safety data, and concluded that nothing to date was as effective as estrogen therapy although more research was needed.
In the latest study, Reddy and colleagues enrolled 60 women in a randomized, double-blind, placebo-controlled trial for 12 weeks. Initially the researchers received more than 1,500 calls from women who wanted to participate, but after screening the callers to meet the study's protocol, the number was whittled to 60, with 53 women complying with every step.
They were randomly divided into three groups: 20 women received gabapentin at 2,400 mg per day and a daily placebo or fake estrogen pill; 20 received estrogen in the form of Premarin at 0.625 mg per day and a fake gabapentin pill; 20 received sugar pills resembling gabapentin and estrogen. The women recorded the frequency and severity of their hot flashes in diaries.
Results were tabulated using two statistical methods to compare the women's hot flash reports throughout the 12-week period with their baseline symptoms. Doctors did find that women who took gabapentin complained more often of headaches, dizziness or disorientation. Researchers believe that slowly ramping up the medication and taking it with meals can alleviate the side effects.
Source: Eurekaert
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