# Oral and Olfactory Complications of Recovered COVID-19 Patients

> **NCT04791436** · — · RECRUITING · sponsor: **University of Giessen** · enrollment: 402 (estimated)

## Conditions studied

- Oral Complication
- Dysgeusia
- Olfactory Disorder

## Interventions

- **DIAGNOSTIC_TEST:** Gustatory and olfactory function test
- **DIAGNOSTIC_TEST:** Molecular assessment of saliva

## Key facts

- **NCT ID:** NCT04791436
- **Lead sponsor:** University of Giessen
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2021-05-01
- **Primary completion:** 2025-01-30
- **Final completion:** 2025-05-28
- **Target enrollment:** 402 (ESTIMATED)
- **Last updated:** 2024-05-13

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04791436

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04791436, "Oral and Olfactory Complications of Recovered COVID-19 Patients". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04791436. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*