Withdrawn study sought clues to COVID-19 entry in tonsils

NCT ID NCT04640610

Terminated Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

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 However, the study was withdrawn before any participants were enrolled.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ADENOIDECTOMY TONSILLECTOMY

Contacts and locations

Locations

HEGP

Paris, 75015, France
Hôpital Armand Trousseau

Paris, 75012, France
Hôpital Bichat

Paris, 75018, France
Hôpital Bicêtre

Le Kremlin-Bicêtre, 94270, France
Hôpital Lariboisière

Paris, 75010, France
Hôpital Mondor

Créteil, 94000, France
Hôpital Necker-Enfants Malades

Paris, 75015, France
Hôpital Pitié Salpêtrière

Paris, 75013, France
Hôpital Tenon

Paris, 75020, France

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