Immunogenicity and safety of two live-attenuated tetravalent dengue vaccine formulations in healthy Australian adults
We conducted a Phase 1b study to evaluate the immunogenicity and safety of two live attenuated tetravalent dengue vaccines in healthy adult volunteers. After one injection, all subjects reported systemic reactions consistent with a mild dengue-like syndrome. Seven volunteers developed dengue 3 virae...
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Main Authors: | , , , , , , |
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Format: | Article |
Published: |
2018
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Online Access: | https://repository.li.mahidol.ac.th/handle/123456789/23078 |
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Institution: | Mahidol University |
Summary: | We conducted a Phase 1b study to evaluate the immunogenicity and safety of two live attenuated tetravalent dengue vaccines in healthy adult volunteers. After one injection, all subjects reported systemic reactions consistent with a mild dengue-like syndrome. Seven volunteers developed dengue 3 viraemia after vaccination. All subjects developed a neutralizing antibody response against serotype 3 with partial response against other serotypes. The trial was stopped early (after 10 subjects enrolled) due to formulation issues, which were related to the dengue 3 vaccine component. Managing viral interference and balancing attenuation to produce acceptable tetravalent immunogenicity with minimal reactogenicity may be a recurring problem for future multivalent live vaccines. © 2005 Elsevier Ltd. All rights reserved. |
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