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Safety Study to Evaluate the Leish-111f + MPL-SE Vaccine in the Prevention of Cutaneous Leishmaniasis in Healthy Subjects Previously Exposed to the Leishmania Parasite

Cutaneous Leishmaniasis Clinical Trial

Official title:
A Phase 1, Open-Label Study to Evaluate the Safety, Tolerability, and Immunogenicity of the Leish-111f + MPL-SE Vaccine in Montenegro Skin Test-Positive Healthy Adults

Clinical Trial Summary

This study will evaluate the safety of the Leish-111f + MPL-SE vaccine in adult subjects with a previous exposure to the Leishmania parasite (but without current or past history of leishmaniasis).

Clinical Trial Description

Cutaneous leishmaniasis is a disfiguring disease that can progress to mucosal leishmaniasis, a more serious and possibly fatal form of Leishmania disease. All available medical therapies require weeks of treatment and cause significant toxicity. It appears that Leishmania infections can be eliminated or prevented by T helper 1 immune responses. These findings argue that a vaccine that generates a T helper 1 response against the parasite will prevent the infection and disease. This is a phase 1, open-label study to evaluate the safety, tolerability and immunogenicity in Montenegro skin test (MST)-positive healthy adults of an investigational vaccine being developed for the prophylaxis of cutaneous leishmaniasis. The vaccine, identified as Leish-111f + MPL-SE, consists of a recombinant three-antigen Leishmania polyprotein (Leish-111f, 10 μg) together with the adjuvant MPL-SE (25 μg). The vaccine will be given to each study subject three times at 4 week intervals. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00121849
Study type Interventional
Source IDRI
Contact
Status Completed
Phase Phase 1
Start date August 2005
Completion date February 2006
View Details
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