Analysis of Volatile Organic Compounds in Exhaled Air and Sweat: Interest in Rapid Screening for COVID-19 Infection. (VOCSARSCOVDep)
Analysis of Volatile Organic Compounds in Exhaled Air and Sweat: Interest in Rapid Screening for SARS-CoV-2 Infection.
In the context of the actual pandemia of the Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) which requires a better diagnostic strategy for the management of patients.
The study of volatile organic compounds (VOC) detected in exhaled air or in sweat, is an innovative research area for respiratory diseases. The analysis of VOC can be done either by the technique of the mass spectrometry which allows the identification of each VOC in the exhaled air or by the technique of electronic nose, simpler and faster, which provides an idea of the general profile of the VOC without identifying them. The VOC have shown their interest in some situations, such as diagnostic or prognostic tool in patients followed for thoracic tumorous pathology or bronchial or pulmonary vascular diseases.
Moreover, it has recently been shown that properly trained dogs would be able to detect an olfactory signature of SARS-CoV-2 infection with a specificity greater than 90%; this olfactory signature corresponds to VOCs detectable by the flair of dogs (Nosaïs-Covid19 study).
Validation of the diagnostic value of VOC analyzes by non-invasive and rapid methods (electronic nose analysis or mass spectrometry; detection by the scent of dogs) for the rapid detection and early diagnosis of a SARS-CoV-2 infection warrants the performance of this clinical study.
Panoramica dello studio
Stato
Condizioni
Tipo di studio
Iscrizione (Anticipato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Elisabeth Hulier-Ammar, PhD
- Numero di telefono: 0146251175
- Email: drci-promotion@hopital-foch.com
Luoghi di studio
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Suresnes, Francia, 92151
- Reclutamento
- Foch Hospital
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Contatto:
- Hélène Salvator, MD
- Numero di telefono: 0146252955
- Email: h.salvator@hopital-foch.com
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Subject included in the Foch Hospital :
- Patients managed at the Foch Hospital with RT-PCR screening for SARS-CoV-2 infection
- Healthy volunteers among the hospital staff, asymptomatic, for whom an RT-PCR SARS-CoV-2 is indicated or recommended.
- Healthy hospital volunteers vaccinated against COVID (full vaccination schedule completed)
- At least 18 years of age;
- Fluency in the French language;
- Have signed a consent form;
- Be affiliated with a health insurance plan.
Exclusion Criteria:
- Pregnant woman
- Patient deprived of liberty by judicial or administrative decision
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Altro
- Assegnazione: Non randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
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Altro: Symptomatic patients with positive PCR
Patients with symptoms of COVID-19 and whose PCR result is positive
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VOC analysis in exhaled air with e-noses.
Analisi VOC nel sudore di cani addestrati.
VOC analysis in exhaled air with mass spectrometry.
VOC analysis in sweat with mass spectrometry.
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Altro: Symptomatic patients with positive PCR for other respiratory virus
Patients with symptomatic respiratory disease of infectious origin with negative RT-PCR for SARS-CoV-2 and positive RT-PCR for other respiratory viruses
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VOC analysis in exhaled air with e-noses.
Analisi VOC nel sudore di cani addestrati.
VOC analysis in exhaled air with mass spectrometry.
VOC analysis in sweat with mass spectrometry.
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Altro: Asymptomatic patients or healthy volunteers
Patients or healthy volunteers with negative RT-PCR and negative serology
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VOC analysis in exhaled air with e-noses.
Analisi VOC nel sudore di cani addestrati.
VOC analysis in exhaled air with mass spectrometry.
VOC analysis in sweat with mass spectrometry.
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Altro: Volunteers or patients vaccinated against COVID-19
Volunteers or patients vaccinated against COVID-19 (complete vaccination scheme)
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VOC analysis in exhaled air with e-noses.
Analisi VOC nel sudore di cani addestrati.
VOC analysis in exhaled air with mass spectrometry.
VOC analysis in sweat with mass spectrometry.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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The first co-objective of this experimental study is to determine if VOCs analyzed by electronic noses are of interest for the diagnosis of an infection by SARS-CoV-2 (COVID-19) infection.
Lasso di tempo: 1 day
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Identification of VOC profiles specific to the SARS-CoV-2 (VOC analysis by electronic noses) on exhalates collected under resting breathing conditions between patients with symptoms suggestive of COVID-19 and SARS-CoV-2 infection confirmed by RT-PCR, those whose infection is ruled out on the basis of the negativity RT-PCR and clinical/radiological data (non-COVID control patients), and those with another symptomatic respiratory viral infection confirmed by positive PCR for viruses other than SARS-CoV-2 other than SARS-CoV-2.
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1 day
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The second co-objective of this experimental study is to determine if VOCs analyzed by mass spectrometry is of interest for the diagnosis of an infection by SARS-CoV-2 (COVID-19) infection.
Lasso di tempo: 1 day
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Identification of VOC profiles specific to the SARS-CoV-2 (VOC analysis by mass spectrometry) on exhalates collected under resting breathing conditions between patients with symptoms suggestive of COVID and SARS-CoV-2 infection confirmed by RT-PCR, those whose infection is ruled out on the basis of the negativity RT-PCR and clinical/radiological data (non-COVID control patients), and those with another symptomatic respiratory viral infection confirmed by positive PCR for viruses other than SARS-CoV-2 other than SARS-CoV-2.
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1 day
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Identify the nature of VOCs associated with infection by SARS-CoV-2 by mass spectrometry in exhaled air and in sweat
Lasso di tempo: 1 day
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The equivalences and differences in nature of VOCs associated with infection with SARS-CoV-2 between exhaled air and sweat identified by mass spectrometry.
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1 day
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Assessment of the specificity and sensitivity of canine olfactory detection of COVs associated with infection by SARS-CoV-2 (COVID-19)
Lasso di tempo: 1 day
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Success rate of dogs trained in detecting COVID-19 from sweat samples taken from participating patients. The status of patients (infected and uninfected with COVID-19 from the result of the PCR) will be compared to the result of the canine olfactory detection of COVID-19 in sweat samples. |
1 day
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Collaboratori e investigatori
Sponsor
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Inizio studio (Effettivo)
Completamento primario (Anticipato)
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Date di iscrizione allo studio
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Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 2021_0013
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