FM November2020 Digital P
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Orphan drug status to elezanumab<br />
for treating spinal cord injury<br />
AbbVie announced that the<br />
US FDA has granted Orphan<br />
Drug and Fast Track designations<br />
for elezanumab (ABT-555), an<br />
investigational treatment for<br />
patients following spinal cord injury.<br />
Elezanumab is a monoclonal<br />
antibody of the human<br />
immunoglobulin (Ig) G1<br />
isotype that binds selectively<br />
to repulsive guidance<br />
molecule A (RGMa). RGMa is<br />
an inhibitor of axonal outgrowth<br />
and recognized as an important<br />
factor in inhibiting neuronal<br />
regeneration and functional<br />
recovery following central nervous<br />
system (CNS) damage.<br />
Elezanumab is being<br />
investigated to treat spinal cord<br />
injuries, multiple sclerosis and acute<br />
ischemic stroke. It is currently in a<br />
phase 2 study for the treatment of<br />
spinal cord injury.<br />
Currently AbbVie is partnering<br />
with the Shirley Ryan AbilityLab and<br />
MC10 in a pilot study involving 20<br />
spinal cord injury patients.<br />
The pilot study will inform<br />
the ongoing phase 2 study of<br />
elezanumab by testing optimal<br />
biosensor placement to capture<br />
surface electromyography (sEMG),<br />
among other assessments.<br />
173 patients) for a total<br />
duration of 44 weeks.<br />
The study evaluated<br />
the efficacy and safety of<br />
tofacitinib taken as either a<br />
5 mg tablet or as a 1 mg/mL<br />
oral solution twice daily based<br />
on the subject’s body weight<br />
(