Fish oil may be a voice Coach's secret weapon
NCT ID NCT07800702
First seen Sep 02, 2026 · Last updated Sep 03, 2026 · Updated 1 time
Summary
Researchers at Baylor University are testing whether daily fish oil supplements can help women whose jobs depend on their voice, such as teachers, singers, and call-center workers, recover from heavy voice use. The study gives 68 pre-menopausal women either 3 grams of omega-3 fish oil or a placebo for 10 weeks, then measures voice changes and vocal fold secretions after rigorous speaking tasks. The goal is to see if omega-3s reduce vocal fatigue and strain.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Omega-3 polyunsaturated fatty acids (fish oil) taken as a daily supplement
- What this could lead to
- If fish oil helps, it could offer a simple daily supplement to reduce voice fatigue and strain for people who depend on their voice for work.
- What could go wrong
- This is a small early-stage trial, and the benefit may be modest or absent. Fish oil can cause mild side effects like fishy aftertaste or digestive upset.
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
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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
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About 68 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2029
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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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: 1\) cis-gender female; 2) willingness to be assigned to either the supplement group or placebo group; 3) over the age of the 18 and pre-menopausal; 4) consider themselves a professional voice user, someone who uses their voice to do their job; 5) self-report that their voice gets tired frequently; and 6) have a patent nasal cavity - Exclusion Criteria: * 1\) have a history of or present diagnosed voice disorder; 2) diagnosed reflux; 3) have a history of or present inflammatory disease; 4) are pregnant; 5) are a vegan; 6) are a smoker or tobacco user; 7) are allergic to fish or shellfish; 8) have been taking a daily omega-3 PUFA supplement in the past 3 months; 9) take a regular anti-inflammatory drug or supplement; 10) have a heightened gag reflex; 11) are unable to pass a hearing screening; 12) are concurrently enrolled in voice therapy or are receiving treatment from an ear, nose, and throat doctor for a laryngeal problem.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Baylor University
Waco, Texas, 76798, United States