Centre for Clinical Vaccinology and Tropical Medicine
Oxford, Oxfordshire, OX3 7LE, United Kingdom
NCT Number: NCT01669512
ChAd63 METRAP and MVA METRAP are investigational vaccines for malaria which have been studied in clinical trials for 4 years, and 10 years, respectively. These vaccines are inactivated viruses which have been modified so that they cannot reproduce in humans. Genetic information has been added to make them express proteins of the malaria parasite so that they stimulate an immune response against malaria. This trial examines whether a compound called Matrix M™ can be used in efforts to improve on how well the vaccines work at preventing malaria.
Matrix M™ is a vaccine adjuvant, a compound used to improve the immune responses to vaccines. In this trial, Matrix M™ will be combined with each of the vaccines. The objectives are to assess the safety of the vaccines when combined with Matrix M™, and to determine what effect Matrix M™ has on the immune responses to the vaccines.
We will assess the safety of the vaccines (ChAd63 METRAP combined with Matrix M™; and MVA METRAP combined with Matrix M™) by administering them to healthy volunteers and monitoring them for 6 months in total. Eight volunteers will receive the vaccines with the low dose of Matrix M™, eight will receive the vaccines with the standard dose of Matrix M™, and six volunteers will receive the vaccines alone as a comparison group. We will also look at what effect Matrix M™ has on the immune responses to the vaccines, as measured from blood tests. Volunteers will have study visits to the Clinical Centre for Vaccinology and Tropical Medicine on the Churchill Hospital site, Oxford, where they will have vaccinations, have blood taken to monitor safety and measure immune responses to vaccination, and be monitored for symptoms/side effects from vaccination.
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Notify Me18 year–50 year
All sexes
Interventional
Phase 1
Oxford, Oxfordshire, OX3 7LE, United Kingdom
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
ChAd63 ME-TRAP 5 x 1010 vp on Day 0 and MVA ME-TRAP 2 x 108 pfu on Day 56
ChAd63 ME-TRAP 5 x 1010 vp mixed with Matrix M-1 25μg on Day 0 and MVA ME-TRAP 2 x 108 pfu mixed with Matrix M-1 25μg on Day 56
ChAd63 ME-TRAP 5 x 1010 vp mixed with Matrix M-1 50μg on Day 0 and MVA ME-TRAP 2 x 108 pfu mixed with Matrix M-1 50μg on Day 56
Time frame: 24 weeks from first vaccination
Analysis of all solicited and unsolicited local and general vaccine-linked adverse events (AEs) occurring in Low Dose Matrix M™ and Standard Dose Matrix M™ Group volunteers.
Time frame: 24 weeks from first vaccination
Comparison of immunogenicity of the Matrix M™ - adjuvanted vaccination regimens, versus the Control regimen.
University of Oxford
Other
Safety and Immunogenicity of ChAd63 ME-TRAP / MVA ME-TRAP Heterologous Prime Boost Malaria Vaccination Adjuvanted With Matrix M™
OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.
View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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