Pneumocystis Pneumonia Diagnosis in HIV- Patients (PNEUMOQUANT)
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- STATUS
- Recruiting
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- End date
- Aug 9, 2024
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- participants needed
- 1250
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- sponsor
- Rennes University Hospital
Summary
Pneumocystis jirovecii pneumonia is a serious and frequent infection in immunocompromised patients, whose evolution is potentially fatal if untreated. It is the most common opportunistic infections classifying patients infected with human immunodeficiency virus (human immunodeficiency virus +) at the stage acquired immune deficiency syndrome. Data from the french Institute for Health Watch showed in 2011 that 31% of 1400 cases of acquired immune deficiency syndrome were revealed by Pneumocystis jirovecii pneumonia.
Pneumocystis jirovecii pneumonia also increasingly concerns immunocompromised human immunodeficiency virus negative patients, due to the increasing use of immunosuppressive therapies (including corticosteroids), of anticancer cytostatics and biotherapies, in the context of grafts, transplants, but also from autoimmune or inflammatory chronic diseases.
Recent data show that the number of cases occurring in patients Pneumocystis jirovecii pneumonia human immunodeficiency virus - in France is now higher than the cases occurring in Pneumocystis jirovecii pneumonia +. The severity of the Pneumocystis jirovecii pneumonia is increased in patients with human immunodeficiency virus -, in whom the evolution is faster, with mechanical ventilation often required and higher mortality, requiring a fast and early diagnosis. Routine diagnosis relies on the detection of the fungus in the bronchoalveolar lavage, using stains (May Grunwald Giemsa or immunofluorescence) and Polymerase Chain Reaction. Polymerase Chain Reaction provides a diagnostic gain in immunocompromised patients not infected with human immunodeficiency virus that may present a pejorative table quickly despite low fungal burden. However, the deoxyribonucleic acid of the fungus can sometimes be detected in the absence of scalable Pneumocystis jirovecii pneumonia, and then shows a pulmonary colonization by Pneumocystis jirovecii. It is therefore important to improve the positive predictive value of Pneumocystis Polymerase Chain Reaction, to guide the management of optimal patient.
In this work, the investigators propose to evaluate the Polymerase Chain Reaction on oropharyngeal rinse, non-invasive sampling and therefore probably less often positive and specific active infection. The investigators will develop a quantitative Polymerase Chain Reaction to identify a fungal load threshold number of copies / mL for diagnosing Pneumocystis jirovecii pneumonia with better positive predictive value.
Details
| Condition | Pneumonia, Pneumocystis |
|---|---|
| Treatment | Polymerase Chain Reaction on Oropharyngeal rinse |
| Clinical Study Identifier | NCT02648256 |
| Sponsor | Rennes University Hospital |
| Last Modified on | 9 May 2022 |
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