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Stabilized single-injection inactivated polio vaccine elicits a strong neutralizing immune response

Author(s)
Tzeng, Stephany Y; McHugh, Kevin J; Behrens, Adam; Rose, Sviatlana; Sugarman, James L; Ferber, Shiran; Langer, Robert S; Jaklenec, Ana; ... Show more Show less
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
Vaccination in the developing world is hampered by limited patient access, which prevents individuals from receiving the multiple injections necessary for protective immunity. Here, we developed an injectable microparticle formulation of the inactivated polio vaccine (IPV) that releases multiple pulses of stable antigen over time. To accomplish this, we established an IPV stabilization strategy using cationic polymers for pH modulation to enhance traditional small-molecule–based stabilization methods. We investigated the mechanism of this strategy and showed that it was broadly applicable to all three antigens in IPV. Our lead formulations released two bursts of IPV 1 month apart, mimicking a typical vaccination schedule in the developing world. One injection of the controlled-release formulations elicited a similar or better neutralizing response in rats, considered the correlate of protection in humans, than multiple injections of liquid vaccine. This single-administration vaccine strategy has the potential to improve vaccine coverage in the developing world. Keywords: inactivated polio vaccine; vaccine stability; controlled release; global health; single-administration vaccines
Date issued
2018-03
URI
http://hdl.handle.net/1721.1/120496
Department
David H. Koch Institute for Integrative Cancer Research at MIT
Journal
Proceedings of the National Academy of Sciences
Publisher
National Academy of Sciences (U.S.)
Citation
Tzeng, Stephany Y. et al. “Stabilized Single-Injection Inactivated Polio Vaccine Elicits a Strong Neutralizing Immune Response.” Proceedings of the National Academy of Sciences 115, 23 (May 21, 2018): E5269–E5278 © 2018 National Academy of Sciences
Version: Final published version
ISSN
0027-8424
1091-6490

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