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Frequency and Clinical Evolution of Olfactory and Taste Disorders in COVID-19 Patients

Prevalence and Clinical Evolution of Olfactory and Taste Disorders in Patients Infected by SARS-CoV-2

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04361565
Enrollment
81
Registered
2020-04-24
Start date
2020-03-20
Completion date
2020-12-31
Last updated
2025-02-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19 by SARS-CoV-2 Infection

Brief summary

A novel coronavirus SARS-CoV-2 HAS arose in 2019 in Wuhan, China. Beside the classical semiology of this infection, numerous patients described olfactory and teste disorders. These symptoms are not described in this coronavirus, neurotropism of coronaviridae has been documented before. The aim of the study is to evaluate prevalence of anosmia and dysgeusia (olfactory and taste disorders) in coronavirus diagnosed patients and compare with different clinical conditions. The second endpoint is to evaluate the duration of these symptoms in order to better understand the semiology of this infection.

Interventions

None listed

Sponsors

Centre Hospitalier Universitaire de Nice
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* COVID-19 diagnosed

Design outcomes

Primary

MeasureTime frameDescription
Duration of the loss of anosmia ageusia45 daysDuration measured in days
Anosmia45 daysPrevalence for anosmia in the COVID-19 + patients
Ageusia45 daysPrevalence for ageusia in the COVID-19 + patients

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026