Lost your smell after COVID? simple training may help
NCT ID NCT07571382
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 176 people who had COVID-19 and were having problems with smell, taste, or saliva. Researchers tested their senses and tried smell training as a way to help. The goal was to better understand these long-lasting symptoms and how to manage them.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- smell training
- What this could lead to
- If successful, this could point toward simple smell training exercises to help people recover their sense of smell after COVID-19.
- What could go wrong
- This is a small, completed observational study, not a large treatment trial. The results may not apply to everyone, and smell training may not work for all patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
-
176 people
The number who actually took part.
- Started
-
Apr 2021
- Finished
-
Apr 2023
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 80 years
- Sex
-
Anyone
- Healthy volunteers
-
Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: -COVID-19 diagnosis Exclusion Criteria: -Not COVID-19 diagnosis
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
University of Oslo
Oslo, Oslo, 0455, Norway
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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