Etanercept for Poststroke Disability
Stroke is a leading cause of major disability. An inflammatory response may play an important role in ischemic stroke. Some authors have hypothesized that the cytokine tumor necrosis factor (TNF) may play a role in the mediation of inflammatory changes in the ischemic penumbra. Etanercept, a fusion protein consisting of the TNF receptor and the Fc portion of immunoglobulin G, inhibits TNF, thereby diminishing neurotoxic TNF-mediated microglia activation that might contribute to poststroke disability. Moreover, anti-TNF-α blockade has been reported to demonstrate efficacy in stroke animal models.
American Academy of Neurology (AAN) Guidelines
The American Academy of Neurology (AAN) has released guidelines on Practice Advisory: Etanercept for Poststroke Disability in June 2016 and reaffirmed April 30, 2022.
Recommendation
- Clinicians should counsel patients considering etanercept for treatment of poststroke disability that the evidence is insufficient to determine the treatment's effectiveness and that it may be associated with adverse outcomes and high cost (Level U).
Reference
Gary S. Gronseth, Steven R. Messé. Neurology Jun 2016, 86 (23) 2208-2211; DOI: 10.1212/WNL.0000000000002735
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