Phase II Study to Evaluate Safety and Immunogenicity of a Chikungunya Vaccine

2016-08-11 08:23:21 | BioPortfolio


The purpose of this study is to evaluate the immunogenicity and safety of a novel vaccine against Chikungunya virus after one or two vaccinations by comparison of two different dose levels.


This is a double blinded, block-randomized, active- and placebo controlled, phase II trial, comparing two dose levels by assessing immunogenicity, safety and tolerability of MV-CHIK (a novel vaccine against Chikungunya virus).

Healthy male and female subjects aged 18-55 years will be randomized to one of six treatment groups (A, B, C. D, M1 or M2) differing in dosage and scheduling of vaccinations. Group A-D will be split in one arm receiving MV-CHIK and one control-arm receiving Priorix®.

All subjects of group A. B, C and D will receive three i.m. injections on study day 0, 28 and 196. Subjects of group A and B will receive MV-CHIK low dose or control-vaccine Priorix® (or equivalent measles vaccine) and subjects of group C and D will be treated with MV-CHIK high dose or control-vaccine (Priorix® or equivalent measles vaccine).

All subjects of group A, B, C and D additionally will be randomized to one of two treatment sequences: group A and C will receive MV-CHIK or control-vaccine Priorix® on study day 0 and 28, followed by placebo on day 196, and group B and D receive placebo on day 0 and MV-CHIK or Priorix® on day 28, followed by an additional vaccination of the same product on day196 (boosting vaccination).

All subjects of the measles booster group M1 and M2 will receive five i.m. injections on study day -28, 0, 28, 168 and 196. The first vaccination will be Priorix® (or equivalent measles vaccine) on study day -28. Group M1 will receive MV-CHIK low dose vaccinations on day 0 and day 28 and placebo on day 168 and 196. Group M2 will receive placebo on day 0 and 28 and MV-CHIK low dose on day 168 and on day 196.

All subjects will be followed for safety and immunogenicity evaluation until day 224. Study duration per subject is estimated to be 33-37 weeks (~8 months), respectively.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention


Chikungunya Virus Infection


MV-CHIK low dose, MV-CHIK high dose, Priorix®, physiological saline solution


Hansa Sanatorium GmbH


Not yet recruiting


Themis Bioscience GmbH

Results (where available)

View Results


Published on BioPortfolio: 2016-08-11T08:23:21-0400

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