# Retrospective Study on Anosmias and Ageusias Linked to Infection by Covid-19

> **NCT04681157** · — · UNKNOWN · sponsor: **University Hospital, Strasbourg, France** · enrollment: 300 (estimated)

## Conditions studied

- Covid-19

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04681157
- **Lead sponsor:** University Hospital, Strasbourg, France
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-04-03
- **Primary completion:** 2021-04-03
- **Final completion:** 2021-04-03
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2020-12-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04681157

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04681157, "Retrospective Study on Anosmias and Ageusias Linked to Infection by Covid-19". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04681157. Licensed CC0.

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