Condition
Olfactory Impairment clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Olfactory Impairment clinical trials that are recruiting, at sites in 2 countries (most in United States (2), Hong Kong (1)). By phase: Phase 2 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 2Countries
Newest Olfactory Impairment clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Smell training plus non-invasive nerve stimulation to boost sense of smell | Phase 2 | Charleston, South Carolina | Recruiting | Jul 8, 2026 |
| Impact of CFTR Modulators on Sinus Health in Young Children with Cystic Fibrosis | — | Aurora, Colorado and 5 other locations | Recruiting | Jan 5, 2024 |
| Olfactory training for patients with smell disorders in Hong Kong | — | Hong Kong | Recruiting | May 6, 2022 |
All recruiting trials (3)
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Smell training plus non-invasive nerve stimulation to boost sense of smell
This test will try adding non-invasive trigeminal nerve stimulation to standard smell training for adults with smell loss to see if it improves olfactory function.
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Impact of CFTR Modulators on Sinus Health in Young Children with Cystic Fibrosis
This study is testing if a new treatment for cystic fibrosis can improve sinus health and smell in young children aged 2-8.
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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 Olfactory Impairment clinical trials are recruiting right now?
3, 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 (2 trials), Hong Kong (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.
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.