Plant-Based diet put to the test against sleep apnea
NCT ID NCT06395181
First seen Jun 27, 2026 · Last updated Jul 23, 2026 · Updated 2 times
Summary
This study tests whether eating a whole food plant-based diet for 8 weeks can reduce daytime sleepiness and improve sleep apnea severity. Researchers will measure changes using a sleepiness questionnaire and a home sleep test. The study involves 40 adults with sleep apnea who are not fully helped by other treatments.
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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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9 people
The number who actually took part.
- Started
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May 2024
- Finished
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Jul 2026
- 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 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Daytime sleepiness with ESS score ≥ 5. * Patient's prior sleep study with AHI between ≥ 10 and ≤ 45 (4% scoring criterion). * On treatment for OSA, failed or not willing to use all other OSA treatment options * Has access to a weight scale at home or able to come into the Sleep Clinic to be weighed after the 8-week plant-based diet period. Exclusion Criteria: * Pregnancy or lactation. * Current use of a vegan diet. * BMI ≤ 22. * Complex, central sleep apnea. * Pre-existing significant degree of cardio-pulmonary disease-heart failure with reduced EF of 35 or lower, unstable arrythmia, severe degree of pulmonary hypertension, severe degree of obstructive or restrictive lung disease including COPD and Interstitial lung disease. * On weight loss medications or starting new exercise regimen during the 8-week plant-based diet period.
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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
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Mayo Clinic Florida
Jacksonville, Florida, 32224, United States
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