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Safety and Efficacy Study of Plasmodium Falciparum LSA-3 Malaria Vaccine — LSA-3-rec  

Healthy Clinical Trial

Official title:
Phase I and IIa Trial for Assessment of Safety, Immunogenicity and Efficacy Against Sporozoite Challenge of the Candidate Malaria Vaccine PfLSA-3-rec

Clinical Trial Summary

Malaria is responsible for over 2 million deaths each year. The development of an efficient vaccine would present by far the best solution for solving this disastrous situation. Liver-Stage-Antigen-3 (LSA-3) is an antigen that is mainly exhibited by Plasmodium falciparum sporozoites and liver-stage parasites. It is characterized by its remarkable antigenicity in humans with a wide range and a variety of B and T-lymphocyte epitopes, by its extremely high immunogenicity and by an excellent protective efficacy against sporozoite challenge in animal models. Therefore, PfLSA-3-rec is a promising candidate vaccine against P. falciparum in humans The aim is to screen two different formulations of the recombinant malaria vaccine PfLSA-3-rec, one adjuvated with aluminium hydroxide and one with Montanide Isa 720, by assessing the safety and immunogenicity (phase I) profile of each formulation in humans, as well as its protective efficacy following a sporozoite challenge (phase IIa).

Clinical Trial Description

n/a

Study Design

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

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00509158
Study type Interventional
Source Radboud University
Contact
Status Completed
Phase Phase 1/Phase 2
Start date October 2007
Completion date October 2008
View Details
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