# Diagnostic Value of Patient - Reported and Clinically Verified Olfactory Disorders (COVID-19)

> **NCT04407494** · — · COMPLETED · sponsor: **University Hospital, Montpellier** · enrollment: 809 (actual)

## Conditions studied

- COVID-19

## Interventions

- **BIOLOGICAL:** Reporting of anosmia, ageusia and other clinical symptoms

## Key facts

- **NCT ID:** NCT04407494
- **Lead sponsor:** University Hospital, Montpellier
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-03-01
- **Primary completion:** 2020-04-01
- **Final completion:** 2020-04-30
- **Target enrollment:** 809 (ACTUAL)
- **Last updated:** 2020-06-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04407494

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04407494, "Diagnostic Value of Patient - Reported and Clinically Verified Olfactory Disorders (COVID-19)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04407494. Licensed CC0.

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