Source:http://linkedlifedata.com/resource/pubmed/id/12450708
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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
2002-11-26
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pubmed:abstractText |
A phase I/II clinical trial was carried out to determine the safety of Flt3 ligand used as a vaccine adjuvant when administered to healthy human volunteers on two different schedules. In the first phase of this study, Flt3 ligand was administered SQ at a dose of 20 microg/kg (to a maximum of 1500 microg) every day (N=10) or every other day (N=10) for 1 week. The Flt3 ligand injection series was followed 1 day later by the first of three vaccinations with the licensed hepatitis B vaccine. In the second phase of the trial, 30 volunteers received either Flt3 ligand or placebo on the alternate day schedule in a randomized, double-blind design. The Flt3 ligand injections were safe and very well-tolerated. The number of lineage negative, HLA-DR(hi), CD11c(+), CD123(-) dendritic cells (DCs) increased 23-fold, and the lineage negative, HLA-DR(hi), CD11c(-), CD(123 bright) pre-DCs increased 6-fold. There was an associated increase in monocytes and WBCs in the Flt3 ligand recipients. Despite the marked increase in peripheral circulating dendritic cells, no increase was observed in the hepatitis B antibody titers induced after vaccination.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Adjuvants, Immunologic,
http://linkedlifedata.com/resource/pubmed/chemical/Hepatitis B Antibodies,
http://linkedlifedata.com/resource/pubmed/chemical/Hepatitis B Surface Antigens,
http://linkedlifedata.com/resource/pubmed/chemical/Hepatitis B Vaccines,
http://linkedlifedata.com/resource/pubmed/chemical/Membrane Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/flt3 ligand protein
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pubmed:status |
MEDLINE
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pubmed:author | |
pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
322-9
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pubmed:dateRevised |
2007-11-14
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pubmed:articleTitle |
The use of Flt3 ligand as an adjuvant for hepatitis B vaccination of healthy adults.
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pubmed:affiliation |
Division of Infectious Diseases, University of California, Davis, PSSB, Suite 500, 4150 V St, Sacramento, CA 95817, USA. tgevans@ucdavis.edu
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