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Content archived on 2024-05-27

Demonstration project : evaluation of the adjuvant activity of ifn-alpha in vaccination strategies against hbv

Objective

Hepatitis B virus (HBV) is worldwide infection, which, even if mostly preventable by vaccination, still remains a public health threat. Critical issue of the actual vaccine prophiylaxis is the need to administer three or more closes of vaccine over several months for achieving immune protection in both healthy individuals and low-responder subjects. Due to the time-prolonged administration, a consistent portion of vaccinees (40-50%) fails to receive the third dose and the resultant reduced regimen induces insufficient response to provide seroprotection. Therefore, strategy to produce an earlier seroconversion/seroprotection rate to hepatitis B vaccine is highly desirable. Recent results strongly support a novel rationale for using IFN-alpha as vaccine adjuvant in humans. We intend to prove the efficicy of IFN-alpha as HBV vaccine adjuvant, in eliciting earlier and higher seroconversion rates, conferring seroprotection with a reduced number of doses in healthy unvaccinated individuals and circumventing the problem of unresponsiveness in individuals potentially low responder to the vaccine.

Fields of science (EuroSciVoc)

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Topic(s)

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Call for proposal

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Funding Scheme

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DEM - Demonstration contracts

Coordinator

ISTITUTO SUPERIORE DI SANITA
EU contribution
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Address
Viale Regina Elena 299
00161 ROMA
Italy

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Total cost

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Participants (6)

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