Wellness devices show promise for long COVID relief
NCT ID NCT07190105
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested two wellness products that stimulate the vagus nerve—a key nerve for stress, mood, and inflammation—to see if they could help people with Long COVID. Over 500 participants used the devices and tracked their health with a Fitbit and surveys. The goal was to measure changes in symptoms like fatigue, anxiety, sleep problems, and heart rate.
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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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546 people
The number who actually took part.
- Started
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Oct 2025
- Finished
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Dec 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
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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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.
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. Tested positive by any test for acute COVID-19 and/or have ICD-10 code for COVID-19 in their electronic health records (EHR) 2. Any patient having the ICD-10 code for post-acute sequelae of COVID-19 (PASC) within their EHR, or any patient who has evidence of a Long COVID clinic visit within their EHR 3. Have persistent COVID-19 symptoms 3 months following resolution of acute COVID-19 infection as indicated by a negative COVID-19 test 4. Self-identified as having Long COVID based on symptomology: a. Symptoms must include any combination of the following: (ICD-10 codes shown): * Shortness of breath (R06.02, R06.00, or R06.09) * Fatigue (R53.83, or R53.82) * Cognitive impairment (G31.84 or R41.9) * Mental, Behavioral, and Neurodevelopmental disorders (F01-F99) * Postural orthostatic tachycardia syndrome (POTS) (I49.8) 5. Participants must have auditory headphones; over the ear headphones or earbuds 6. Participants must be at least 18 years of age, inclusive, at the time of signing the informed consent 7. Capable of understanding and providing signed informed consent 8. Participants must have a smart phone 9. Reliable access to internet via browser installed on a smartphone
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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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Virtual
Frederick, Maryland, 21703, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.