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Multiple Sclerosis
Fact Sheet 3



 


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What Recent Advances Have Been Made in MS Research?

Many advances, on several fronts, have been made in the war against MS. Each advance interacts with the others, adding greater depth and meaning to each new discovery. Four areas, in particular, stand out.

Over the last decade, our knowledge about how the immune system works has grown at an amazing rate. Major gains have been made in recognizing and defining the role of this system in the development of MS lesions, giving scientists the ability to devise ways to alter the immune response. Such work is expected to yield a variety of new potential therapies that may ameliorate MS without harmful side effects.

New tools such as MRI have redefined the natural history of MS and are proving invaluable in monitoring disease activity. Scientists are now able to visualize and follow the development of MS lesions in the brain and spinal cord using MRI; this ability is a tremendous aid in the assessment of new therapies and can speed the process of evaluating new treatments.

Other tools have been developed that make the painstaking work of teasing out the disease's genetic secrets possible. Such studies have strengthened scientists' conviction that MS is a disease with many genetic components, none of which is dominant. Immune system-related genetic factors that predispose an individual to the development of MS have been identified, and may lead to new ways to treat or prevent the disease.

In fact, a treatment that may actually slow the course of the disease has been found and a growing number of therapies are now available that effectively treat some MS symptoms. In addition, there are a number of treatments under investigation that may curtail attacks or improve function of demyelinated nerve fibers. Over a dozen clinical trials testing potential therapies are under way, and additional new treatments are being devised and tested in animal models.

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What Research Remains to be Done?


The role of genetic risk factors, and how they can be modified, must be more clearly defined. Environmental triggers, such as viruses or toxins, need to be investigated further. The specific cellular and subcellular targets of immune attack in the brain and spinal cord, and the subsets of T cells involved in that attack, need to be identified. Knowledge of these aspects of the disease will enable scientists to develop new methods for halting--or reversing and repairing--the destruction of myelin that causes the symptoms of MS.

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What is the Outlook for People With MS?

The 1990s--proclaimed the "Decade of the Brain" in 1989 by President Bush and Congress--have seen an unparalleled explosion of knowledge about neurological disorders. New technologies are forcing even complex diseases like MS to yield up their secrets. These burgeoning opportunities in the field of neurological research have prompted the National Advisory Neurological Disorders and Stroke Council to suggest that an effective treatment for and the cause of MS may be found during the Decade of the Brain. The former has already been achieved; scientists continue to diligently search for the latter. Their dedication is the best hope for a cure, or, better yet, a way to prevent MS altogether.

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Where Can I Obtain More Information?

The National Institute of Neurological Disorders and Stroke (NINDS) is the Federal Government's leading supporter of biomedical research on nervous system disorders, including MS. The NINDS conducts research on MS in its own laboratories at the National Institutes of Health in Bethesda, MD, and supports research at institutions worldwide. The Institute also sponsors an active public information program. Information on the NINDS and its research programs is also available on the World Wide Web at: http://www.ninds.nih.gov


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This information was provided by:
National Institute of Neurological Disorders and Stroke (NINDS)
an institute of the National Institutes of Health

reviewed October, 2003


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