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Medical Health Aged Care

New study reduces risks associated with MS medication

Monash University 2 mins read

A best treatment pathway has been identified for people with multiple sclerosis (MS) whose current medication puts them at risk of a serious brain infection. 

 

MS patients who take the highly effective drug natalizumab are monitored regularly for their risk of developing a potentially deadly brain infection known as progressive multifocal leukoencephalopathy (PML), caused by a human virus called John Cunningham virus (JCV).

 

Even though the risk of PML is small, the prognosis is poor with an average six-month life expectancy. 

 

If their six-monthly blood monitoring shows an increased risk of JCV, many patients switch treatment, but patients who stop taking natalizumab can be at risk of severe MS relapses. Until now, understanding which alternative drug would be best was not known. 


Published in
JAMA Neurology, the study identified which of the drugs dimethyl fumarate, fingolimod and ocrelizumab is most effective after stopping natalizumab. 

 

They analysed real world data collected from the international MSBase registry tracking outcomes in over 89,000 patients with multiple sclerosis.

 

The study identified 1386 patients world-wide who had changed from natalizumab to dimethyl fumarate, fingolimod and ocrelizumab.

 

Ocrelizumab was the most effective in patients who had stopped taking natalizumab. Relapse risk and discontinuation rates were lower for ocrelizumab than dimethyl fumarate and fingolimod.

 

First author Dr Chao Zhu, of the Monash University Central Clinical School’s Department of Neuroscience, said the findings were important globally for clinicians and patients. He said they could help inform treatment decision making and maximise an optimal strategy for patients who need to stop natalizumab. 

 

“Some countries have limited treatment options available due to the high costs to produce some of the newer, more effective drugs, or have strict guidelines on what can be used as first line treatment or some cannot be used if women intend on childbearing,” Dr Zhu said.

 

Senior author Professor Helmut Butzkueven, of the Monash University Central Clinical School Department of Neuroscience, and The Alfred’s Department of Neurology, said it was important for clinicians to monitor MS patients for their risk of JCV using a blood test.

 

“If patients need to change their medication from natalizumab, which is highly effective in treating MS, it can be an anxious and distressing time. Our study helps neurologists and patients make a better-informed choice.”

 

About MSBase: MSBase is owned and operated by the Australian not for profit MSBase Foundation, and housed in the Central Clinical School, Monash University Alfred Hospital Campus.

 

For media enquiries please contact:

 

Monash University

Cheryl Critchley - Communications Manager (medical)
E:
cheryl.critchley@monash.edu 

T: +61 (0) 418 312 596

 

For more Monash media stories, visit our news and events site  


For general media enquiries please contact:
Monash Media
E: 
media@monash.edu
T: +61 (0) 3 9903 4840

 

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