Malaria drug has been found to lower the levels of biomarker linked to an inherited form of amyotrophic lateral sclerosis, also known as ALS and Lou Gehrig’s disease, finds a new research conducted at Hospital for Special Surgery (HSS) and other centers.// The research study was published in the Annals of Neurology.
‘Malaria drug has been found to target gene mutations and lowers the levels of biomarker linked to Amyotrophic Lateral Sclerosis.’
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Some people with the inherited form of ALS have a mutation in the SOD1 gene. Researchers set out to determine if pyrimethamine, a drug that has been around for decades, could safely and effectively lower levels of the toxic protein produced by the gene mutation."Our multi-center international study found that pyrimethamine reduced levels of SOD1 in the cerebrospinal fluid of patients with familial ALS, and the amount of lowering was related to the dose of pyrimethamine," noted Dale J. Lange, MD, principal investigator and neurologist-in-chief at HSS.
"There is currently no cure for this devastating disease, but our study represents the first time a drug lowered a protein known to be relevant to disease progression; as such, a slowing of disease progression would be expected."
Amyotrophic lateral sclerosis is a relentless disease that progressively attacks nerve cells in the brain and the spinal cord. As time goes on, patients lose the ability to initiate and control muscle movement, their speech is affected and they become paralyzed. Swallowing and breathing become increasingly difficult, and ALS is often fatal within three to five years.
In addition to Lou Gehrig, acclaimed physicist Steven Hawkings is a well-known person with ALS.
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Out of the patients enrolled, 24 completed six visits over 18 weeks, and 21 completed all study visits.
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"Although not proven by this study, a slowing of disease progression was observed. A larger study is needed, and is being planned, to determine if pyrimethamine does indeed influence the disease course in ALS patients."
No significant change in quality of life was observed over the nine-month study period. Study limitations included the fact that patients had varying levels of disease severity, and those with the worst symptoms were more likely to drop out, according to the investigators.
Source-Eurekalert