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Smell Loss clinical trials and research
As of November 12, 2026, Find a Trial lists 5 Smell Loss clinical trials that are recruiting, at sites in 2 countries (most in United States (4), Hong Kong (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 5Clinical trials
- 2Countries
Newest Smell Loss clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Smell training in CRS patients with smell loss | — | Cleveland, Ohio | Recruiting | Jul 2, 2026 |
| Collecting small nasal tissue samples to examine smell-sensing cells | — | Durham, North Carolina | Recruiting | Jun 13, 2025 |
| Predicting smell recovery in patients with nasal polyps treated with dupilumab | — | Chicago, Illinois | Recruiting | Mar 25, 2025 |
| Using a new device to improve sense of smell in older adults | — | Baltimore, Maryland | Recruiting | Dec 13, 2024 |
| Olfactory training for patients with smell disorders in Hong Kong | — | Hong Kong | Recruiting | May 6, 2022 |
All recruiting trials (5)
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Smell training in CRS patients with smell loss
This study tests whether a 3-month smell training program can improve smell function and related immune and mental health measures in adults with chronic rhinosinusitis and smell loss.
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Collecting small nasal tissue samples to examine smell-sensing cells
This project will collect small nasal tissue samples to test how smell-sensing cells work in people with normal smell, smell loss, or Alzheimer's.
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Predicting smell recovery in patients with nasal polyps treated with dupilumab
This study is trying to see if certain factors can help predict how well people with nasal polyps will recover their sense of smell after being treated with dupilumab.
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Using a new device to improve sense of smell in older adults
This study is testing a new device to see if it can help older adults improve their sense of smell and overall well-being.
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Olfactory training for patients with smell disorders in Hong Kong
This study is testing if a special smell training program can help people in Hong Kong with smell disorders feel better and improve their sense of smell.
Related topics
Quick answers
How many Smell Loss clinical trials are recruiting right now?
5, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (4 trials), Hong Kong (1 trial). Each study page lists its sites and which ones are recruiting.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.