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Many people with MS start using some kind of mobility aid - cane, walker, scooter or wheelchair - by 45 or 50, and those with the most severe cases are typically bed-bound by 60. The medications that are currently available don't do much to slow the relentless march of the disease.
In search of a better option for MS patients, a team of University of Wisconsin-Madison biochemists has discovered a promising vitamin D-based treatment that can halt - and even reverse - the course of the disease in a mouse model of MS. The treatment involves giving mice that exhibit MS symptoms a single dose of calcitriol, the active hormone form of vitamin D, followed by ongoing vitamin D supplements through the diet. The protocol is described in a scientific article that was published online in August in the Journal of Neuroimmunology.
In the current study, which was funded by the National Multiple Sclerosis Society, Hayes' team compared various vitamin D-based treatments to standard MS drugs. In each case, vitamin D-based treatments won out. Mice that received them showed fewer physical symptoms and cellular signs of disease.
First, Hayes' team compared the effectiveness of a single dose of calcitriol to that of a comparable dose of a glucocorticoid, a drug now administered to MS patients who experience a bad neurological episode. Calcitriol came out ahead, inducing a nine-day remission in 92 percent of mice on average, versus a six-day remission in 58 percent for mice that received glucocorticoid.
Next, Hayes' team tried a weekly dose of calcitriol. They found that a weekly dose reversed the disease and sustained remission indefinitely.
The next step is human clinical trials, a step that must be taken by a medical doctor, a neurologist. If the treatment works in people, patients with early symptoms of MS may never need to receive an official diagnosis.
"It's my hope that one day doctors will be able to say, 'We're going to give you an oral calcitriol dose and ramp up the vitamin D in your diet, and then we're going to follow you closely over the next few months. You're just going to have this one neurological episode and that will be the end of it,'" says Hayes. "That's my dream."
http://www.medicalnewstoday.com/releases/266736.php
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