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SPIKENET: An Evidence-Based Therapy for Long COVID.

Nila Elumalai¹, Hussain Hussain^1,2, Natarajan Sampath³

¹Department of Obstetrics, Gynecology and Reproductive Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA.

|June 27, 2024

Summary

A new synthetic peptide, SPIKENET (SPK), shows promise for treating COVID-19 and long COVID by blocking SARS-CoV-2 entry and reducing inflammation. This peptide also protected against severe outcomes in mouse models.

Keywords:

COVID-19 SPIKENET long COVID molecular mechanism multiorgan dysfunction therapy

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Area of Science:

Virology
Immunology
Drug Discovery

Background:

COVID-19 pandemic caused by SARS-CoV-2 has led to long COVID (PASC) with no current treatments.
Both vaccinated and unvaccinated individuals experience long-term complications.
Existing SARS-CoV-2 variants pose ongoing global health challenges.

Purpose of the Study:

To introduce a novel synthetic peptide, SPIKENET (SPK), as a potential therapeutic agent for COVID-19.
To investigate SPK's mechanism of action against SARS-CoV-2 and other coronaviruses.
To evaluate SPK's efficacy in preclinical models of viral infection.

Main Methods:

Designed a 15-amino-acid synthetic peptide (SPK) targeting the ACE2 receptor binding domain of SARS-CoV-2.
Tested SPK's ability to inhibit binding of spike glycoproteins to ACE2 and CEACAM1.
Assessed SPK's therapeutic effects in mouse models infected with murine hepatitis virus-1 (MHV-1).

Main Results:

SPK effectively blocked SARS-CoV-2 attachment to the host ACE2 receptor and inhibited spike glycoprotein binding to CEACAM1 in MHV-1.
SPK reversed severe inflammation, oxidative stress, tissue edema, and mortality in MHV-1 infected mice.
SPK demonstrated protective effects against acute and long-term multi-organ damage in the MHV-1 mouse model.

Conclusions:

SPIKENET (SPK) presents a potential therapeutic strategy for COVID-19 by preventing viral entry.
SPK shows broad efficacy against SARS-CoV-2 variants and other coronaviruses.
Preclinical data suggest SPK could be a valuable treatment for acute COVID-19 and long COVID complications.