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Plague, Pneumonic clinical trials

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NCT ID: NCT04688996 Recruiting - Plague Clinical Trials

Yersinia Pestis Lateral Flow Immunoassay for Blood Samples

SMARTPRT
Start date: October 19, 2020
Phase:
Study type: Observational

Plague is a deadly but highly treatable disease caused by the bacterium Y. pestis. Due to the historical development of Y. pestis as a bioweapon by several nation states, it is listed by the US as a potential bioweapon that could be used against US warfighters. Although this bacterium is ecologically established worldwide, it mostly affects impoverished people who live in rural low-resource areas of Madagascar. Plague is acquired directly from bites of infected fleas but, if left untreated, it can progress to the highly lethal pneumonic form that can result in human to human transmission. With the dangers of pneumonic plague in the context of both natural outbreak and as a bioweapon used against warfighter, the goal of this study is to investigate a diagnostic test that is able to rapidly and locally diagnose this disease in low-resource settings. This study aims to evaluate a US-developed new LFI (Lateral Flow Immunoassay) assay intended for capillary blood (finger-prick) to diagnose humans infected with Y. pestis. The investigators will rigorously validate with assay on human populations from active plague sites and correlate the results with the results of paired clinical samples used in standard medical workup using existing diagnostics tests.

NCT ID: NCT04562012 Recruiting - Plague Clinical Trials

Lateral Flow Assays for Pathogens of the Plague

SMARTPRT
Start date: October 19, 2020
Phase:
Study type: Observational

Plague is a deadly but highly treatable disease caused by the bacterium Y. pestis. Due to the historical development of Y. pestis as a bioweapon by several nation states, it is listed by the US as a potential bioweapon that could be used against US warfighters. Although this bacterium is ecologically established worldwide, it mostly affects impoverished people who live in rural low-resource areas of Madagascar. Plague is acquired directly from bites of infected fleas but, if left untreated, it can progress to the highly lethal pneumonic form that can result in human to human transmission. With the dangers of pneumonic plague in the context of both natural outbreak and as a bioweapon used against warfighter, the goal of this study is to investigate a diagnostic test that is able to rapidly and locally diagnose this disease in low-resource settings. This study aims to evaluate a US-developed new LFI assay intended for capillary blood (finger-prick) to diagnose humans infected with Y. pestis. The investigators will rigorously validate with assay on human populations from active plague sites and correlate the results with the results of paired clinical samples used in standard medical workup using existing diagnostics tests.

NCT ID: NCT04110340 Recruiting - Plague, Pneumonic Clinical Trials

Ciprofloxacin Versus an Aminoglycoside Followed by Ciprofloxacin for Bubonic Plague

IMASOY
Start date: February 15, 2020
Phase: Phase 3
Study type: Interventional

The primary objective of this trial is to test the hypothesis that ciprofloxacin monotherapy given (orally, intravenously, or combination) for 10 days is non-inferior to an aminoglycoside (given on days 1-3) followed by ciprofloxacin (given on days 4-10) in the treatment of bubonic plague. Secondary objectives are: - to evaluate the level and kinetics of anti-Y. pestis antibodies of patients (bubonic and pneumonic plague) included in the study (anti-F1 ELISA techniques) at D1, D11, D21, M3 for patients who are positive at D21, and M12 for patients who are positive at M3. The tertiary objectives are: - to evaluate the level and kinetics of the levels of anti-Y. pestis antibodies and circulating F1 antigen of the patients (bubonic and pneumonic plague) included in the study (Luminex MagPix techniques with a Multiplex containing anti-F1 and rLcrV antigens and an F1 antigen capture multiplex) at D1, D11, D21, M3 for patients positive at D21, and M12 for patients who are positive at M3. Observational non-comparative study of pneumonic plague - The primary objective is to document the efficacy and safety of the currently recommended combination therapy treatment of pneumonic plague - an aminoglycoside (streptomycin or gentamicin) and ciprofloxacin combination therapy. - The secondary and tertiary objectives of the bubonic plague trial also apply to the pneumonic plague cohort.