Withdrawn study sought clues to COVID-19 entry in tonsils
NCT ID NCT04640610
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study aimed to measure two proteins, ACE2 and TMPRSS2, in tonsils and adenoids of children and adults. These proteins help the COVID-19 virus enter cells. The goal was to understand where the virus might enter the body. However, the study was withdrawn before any participants were enrolled.
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Study facts
What this study's own registry entry says, in plain language.
- Started
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Jun 2021
- Finished
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Jun 2021
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Children and adults, without SARS-CoV-2 infection, in whom an adenoidectomy and/or tonsillectomy is performed for their care in the centers of the study.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Children and adults, without SARS-CoV-2 infection, in whom an adenoidectomy and/or tonsillectomy is performed for their care in the hospitals of Assistance Publique-Hôpitaux de Paris participating in the study. * Holders of parental authority of minor patients and adult patients not opposed to participation in the study. Exclusion Criteria: \- N/A
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Genom att skicka in godkänner du våra Användarvillkor
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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HEGP
Paris, 75015, France
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Hôpital Armand Trousseau
Paris, 75012, France
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Hôpital Bichat
Paris, 75018, France
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Hôpital Bicêtre
Le Kremlin-Bicêtre, 94270, France
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Hôpital Lariboisière
Paris, 75010, France
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Hôpital Mondor
Créteil, 94000, France
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Hôpital Necker-Enfants Malades
Paris, 75015, France
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Hôpital Pitié Salpêtrière
Paris, 75013, France
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Hôpital Tenon
Paris, 75020, France
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Other studies related to the condition(s) this trial covers.
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