Newswise — A new drug that could make it easier for doctors to diagnose multiple sclerosis (MS) in its earlier stages has been approved for its first human trials by the U.S. Food and Drug Administration (FDA).
Created by Case Western Reserve University researchers, the drug known as Myeliviz will be tested in clinical trials involving healthy volunteers at Cleveland Clinic Mellen Center for Multiple Sclerosis.
An autoimmune disease affecting 2.3 million people worldwide, according to the National Multiple Sclerosis Society (NMSS), MS can be a particularly difficult disease to diagnose. That’s especially true in its early stages, due to unpredictable combinations of symptoms and their severity, and because of limitations in other available imaging methods.
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Myeliviz (pronounced “MY-luh-viz”), targets and binds to myelin—the sheathing surrounding nerves that is affected by MS—and allows for its imaging by a PET scanner, a common hospital tool.
The drug has the potential to provide a new source of evidence to help physicians determine the existence and extent of damage to the central nervous system (CNS) from MS.
The trials have been made possible by a $1.7 million grant from the National Institutes of Health.
“Myelin has never been directly imaged before. Our technique is the first to do so, and we are hopeful that this will provide earlier and more accurate diagnosis of MS,” said Yanming Wang, co-inventor of Myeliviz and professor of radiology at the Case Western Reserve School of Medicine. He is also the co-principal investigator on the federal grant.
“The goal is to enable clinicians to more unambiguously diagnose MS and monitor disease progression and repair processes,” said Robert Fox, vice chair for research in Cleveland Clinic’s Neurological Institute and co-principal investigator on the grant.
How it works
Administered by an IV before a PET scan, Myeliviz targets and binds to myelin—acting as a marker in PET images. Normal myelin and damaged myelin have different patterns of Myeliviz uptake. Areas where myelin has been damaged appear as dark spots on the images, providing doctors with a potential new form of evidence to help determine MS diagnoses.
Given that MS can damage the CNS before its symptoms become apparent, the potential for earlier and more accurate diagnoses of the disease could help doctors use current treatments more effectively, such as during key early stages when the long-term severity of debilitating effects can be better influenced.