NCT04354857

Brief Summary

Loss of sense of smell and taste has been anecdotally reported during the covid-19 epidemic. The study investigators wanted to describe the prevalence of olfactory and gustatory dysfunction and assess the factors associated with positive SARS-CoV-2 infection.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
454

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Mar 2020

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 27, 2020

Completed
21 days until next milestone

First Submitted

Initial submission to the registry

April 17, 2020

Completed
4 days until next milestone

First Posted

Study publicly available on registry

April 21, 2020

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2020

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

November 30, 2020

Completed
Last Updated

June 21, 2021

Status Verified

June 1, 2021

Enrollment Period

4 months

First QC Date

April 17, 2020

Last Update Submit

June 18, 2021

Conditions

Keywords

anosmiaSARS-Cov-2

Outcome Measures

Primary Outcomes (2)

  • SARS-CoV-2 infection status

    Positive/negative according to RT-PCR assay

    Day 0

  • Olfactory and gustatory loss

    Custom-designed questionnaire (28 questions pertaining to symptoms, sense of smell and taste)

    Day 0

Secondary Outcomes (12)

  • Ability to detect odor

    Day 0

  • Ability to detect odor

    Six months

  • Ability to detect salty taste

    Day 0

  • Ability to detect salty taste

    Six months

  • Ability to detect sweet taste

    Day 0

  • +7 more secondary outcomes

Study Arms (2)

RT-PCR SARS-CoV-2 positive

Other: olfactory and gustatory tests

RT-PCR SARS-CoV-2 negative

Other: olfactory and gustatory tests

Interventions

Participants rate quality of sense of smell and taste. Olfaction test: Sniff 10ml test tube containing 1.5ml air freshner (Mifleur Citron, Coldis, Entraigues sur Sorgues, France) and rate perception of odor. Gustatory test: Taste a pinch and sugar and salt and rate perception of sweet or salty taste

RT-PCR SARS-CoV-2 negativeRT-PCR SARS-CoV-2 positive

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

All adults referred for a suspicion of COVID-19 infection and tested by RT-PCR assay for detection of SARS-CoV-2 in a nasopharyngeal sample at the COVID Screening Center or in the infectious and tropical diseases department of the University Hospital of Nîmes,

You may qualify if:

  • Patients presenting with COVID-19 related symptoms including: fever, persistent cough, fatigue, shortness of breath, diarrhoea, abdominal pain, chest pain, sore throat, loss of smell or taste
  • Subjects in prolonged contact with COVID-19 infected patients.

You may not qualify if:

  • Patients directly admitted to the intensive care unit were excluded
  • Patients opposing use of their health data

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

CHU de Nimes

Nîmes, France

Location

MeSH Terms

Conditions

COVID-19Anosmia

Interventions

Smell

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract DiseasesOlfaction DisordersSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

SensationNervous System Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Study Officials

  • Benjamin Lallemant

    CHU Nimes

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 17, 2020

First Posted

April 21, 2020

Study Start

March 27, 2020

Primary Completion

July 31, 2020

Study Completion

November 30, 2020

Last Updated

June 21, 2021

Record last verified: 2021-06

Locations