alexa Open-label trial of therapeutic immunization with oral V-5 Immunitor (V5) vaccine in patients with chronic hepatitis C.


Clinical Depression

Author(s): Batdelger D, Dandii D, Jirathitikal V, Bourinbaiar AS

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Abstract We evaluated whether V-5 Immunitor (V5)--tableted therapeutic bivalent vaccine comprising heat-inactivated HCV antigens from pooled blood of HBV- and HCV-infected donors - may produce clinical benefit through induction of oral tolerance and reduction of immune-mediated liver injury. Once daily dose of V5 was administered per os to 10 patients with chronic hepatitis C in an open-label study that lasted 1 month. Every patient who entered the study had elevated liver enzyme levels, which at the end of study have decreased in 100\% of analyzed patients. The reduction was highly significant, from 157.7+/-73.4 to 49.9+/-43.8 U/L (P=0.0013) and 147.0+/-79.2 to 58.7+/-56.6 U/L (P=0.0132), for ALT and AST, respectively. The AST/ALT ratio has improved from 0.93 to 1.18 (P=0.00058) indicating the reversion of progression to cirrhosis. None of intent-to-treat patients who were anti-HCV antibody positive at study entry, became negative after 1 month on V5 (P=0.998). All patients, except one, reported complete recuperation from hepatitis C-associated clinical symptoms present at baseline (P=0.0016) with Mantel Haenszel's odds ratio 9.4 (P=0.0021) at 95\% confidence interval: 2.7
  • DOI: 10.1016/j.vaccine.2008.03.021
  • This article was published in Vaccine and referenced in Clinical Depression

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