Drug intelligence / Profile preview

saRNA Ebola vaccine

Development stage
Unknown
Lead developer
Imperial College London
Modality
RNA Therapeutics → Nucleic Acid Therapeutics, Vaccines & Immunotherapeutics
Administration
Intramuscular
01

Overview

The saRNA Ebola vaccine is a self-amplifying ribonucleic acid (saRNA) vaccine candidate developed by Imperial College London for the prevention of Ebola virus disease. Utilizing a self-amplifying RNA platform derived from an alphavirus backbone (typically Venezuelan Equine Encephalitis Virus), the vaccine encodes both the Ebola virus glycoprotein (GP) antigen and a viral replicase complex. Upon intramuscular administration, the replicase enables the intracellular amplification of the antigenic RNA transcript, leading to sustained and high-level expression of the Ebola GP. This mechanism is designed to elicit robust humoral and cellular immune responses at significantly lower doses compared to conventional mRNA vaccines. The vaccine is currently being evaluated in a Phase I clinical trial (NCT05370014) alongside similar saRNA candidates for Marburg virus and Lassa fever, with funding from the Coalition for Epidemic Preparedness Innovations (CEPI).

Other names
self-amplifying RNA Ebola vaccineImperial Ebola saRNA vaccine
02

Targets

Zaire ebolavirus glycoproteinInnate immune RNA sensor

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