Validation of a Rapid Quantitative Test for Loss of Smell in COVID-19 Subjects

  • STATUS
    Recruiting
  • participants needed
    250
  • sponsor
    Yale University
Updated on 19 February 2024
covid-19
SARS
anosmia
acute respiratory syndrome (sars)

Summary

The purpose of this study is to evaluate the performance of a non-invasive olfactory device as a rapid indicator of COVID-19 in positive subjects.

Description

The major hypothesis is that a quantitative and unbiased smell test will be a useful tool to identify COVID-19 positive individuals.

The study will address what fraction of outpatients truly have a loss-of-smell (including a partial loss) and is expected to outperform the current question that is used to identify COVID-19 related anosmia "Do you have a new loss of smell or taste?" (yes/no) in terms of sensitivity and specificity.

The study will address if high-risk asymptomatic people whom are SARS-CoV-2 positive have a partial (or perhaps transitory) loss of smell.

The primary objective of this study is to validate the utility (sensitivity, specificity and accuracy) of a quantitative non-biased olfactory device for the rapid identification of SARS-CoV-2 infected subjects (as identified by PCR). The performance of the device will also be compared to the standard CDC patient query for 'new loss of smell or taste'.

The secondary objective is to test if SARS-CoV-2 positive 'asymptomatic' COVID-19 subjects may actually present with a mild or transitory defect in smell (hyposmia), which is revealed through our quantitative olfactory smell test.

Details
Condition Covid 19
Age 18-100 years
Treatment olfactory device
Clinical Study IdentifierNCT04431908
SponsorYale University
Last Modified on19 February 2024

Eligibility

Yes No Not Sure

Inclusion Criteria

Provision of signed and dated informed consent form
Stated willingness to comply with all study procedures and availability for the duration of the study
Have a corresponding PCR test for SARS-CoV-2 on the same day

Exclusion Criteria

Adults unable to consent
Individuals who are not yet adults (infants, children, teenagers)
Pregnant women
Individuals with allergic to fragrances
History of surgery on the nose or paranasal sinuses
Asthmatics
Patients with known neurocognitive disorders: dementia, Alzheimer's disease, Parkinson's disease
Adults with Acute or Chronic rhinosinusitis (They will be asked if they have a 'stuffy or runny nose'; they may be included in some tests, but their analysis would be segregated as they may be false positives due to allergies or a common cold or flu)
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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