In Vivo Electroporation Enhances the Immunogenicity of an HIV-1 DNA Vaccine Candidate in Healthy Volunteers
Author Information
Author(s): Vasan Sandhya, Hurley Arlene, Schlesinger Sarah J., Hannaman Drew, Gardiner David F., Dugin Daniel P., Boente-Carrera Mar, Vittorino Roselle, Caskey Marina, Andersen Johanne, Huang Yaoxing, Cox Josephine H., Tarragona-Fiol Tony, Gill Dilbinder K., Cheeseman Hannah, Clark Lorna, Dally Len, Smith Carol, Schmidt Claudia, Park Harriet H., Kopycinski Jakub T., Gilmour Jill, Fast Patricia, Bernard Robert, Ho David D.
Primary Institution: Aaron Diamond AIDS Research Center, New York, New York, United States of America
Hypothesis
Does in vivo electroporation improve the immunogenicity of the ADVAX HIV-1 DNA vaccine in healthy volunteers?
Conclusion
In vivo electroporation is safe, tolerable, and significantly enhances the immune response to the ADVAX DNA vaccine in healthy volunteers.
Supporting Evidence
- Electroporation increased the magnitude of HIV-1-specific immune response by up to 70-fold compared to standard injection.
- All volunteers completed their vaccination schedule, indicating good adherence to the study protocol.
- Electroporation was well-tolerated, with most local reactions resolving within one day.
Takeaway
This study shows that using a special technique called electroporation can make a vaccine work better by helping the body create a stronger immune response.
Methodology
A Phase-1, double-blind, randomized placebo-controlled trial was conducted with healthy volunteers receiving different doses of the ADVAX vaccine via electroporation or standard injection.
Potential Biases
Potential bias due to the involvement of employees from the device manufacturer in study design and analysis.
Limitations
The study was limited to healthy volunteers aged 18-60 and may not be generalizable to other populations.
Participant Demographics
Participants were healthy men and women aged 18-60, with a mix of ethnicities including White, Black, and Hispanic.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.017
Digital Object Identifier (DOI)
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