Drug Widely Used to Treat MS May Not Slow Progression

But study didn't look at interferon beta's effect on quality of life, disease flares

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"We still have a long way to go to understand what are all the variables that contribute to damage to the brain that leads to the symptoms," Coetzee said. "What we know is there are a lot of players involved in attacking the nervous system of MS patients, that interferon hits some of them, but there are other components of the immune system that get involved."

Coetzee also noted that the researchers did not have data to measure other aspects of living with multiple sclerosis, such as quality of life, thinking skills, vision and other sorts of mobility other than walking.

More information

The National Multiple Sclerosis Society has more on MS.

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