Does concentrating change your breathing? study probes Brain-Breath link in opioid users
NCT ID NCT07829055
First seen Sep 18, 2026 · Last updated Sep 18, 2026
Summary
Researchers at UC San Diego want to know whether doing a mental task changes breathing differently in people who take opioid pain medicine every day, people with obstructive sleep apnea, and healthy adults. The study compares three groups of 40 adults in total. Each participant visits the sleep lab once to answer questions and have sensors placed on the skin and scalp. While resting and while doing short computer or paper tasks, their breathing, brain waves, and oxygen levels are recorded. No medicine or treatment is given.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If the study finds that opioids or sleep apnea disrupt the link between brain activity and breathing, it could shape future research into safer pain treatment and breathing monitoring.
- What could go wrong
- This is a small observational study of 40 people at a single visit, so it cannot prove cause and effect. Results may not apply to other patients or doses.
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.
- Participants
-
About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
-
Sep 2026
An estimate. Start dates often move.
- Expected to finish
-
Jun 2027
An estimate. End dates often move.
- Lead sponsor
-
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.
Who is studied
Patients who have been seen at UC San Diego
- Ages
-
45 to 65 years
- Sex
-
Anyone
- Healthy volunteers
-
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 All participants * Able to provide informed consent * Able to communicate in English, see/hear task stimuli (with usual corrective devices), follow multistep instructions, and complete a brief cognitive-task practice example Opioid group * Daily prescribed opioid use, under medical supervision, for chronic non-cancer pain, for ≥3 months * Prescribed dose ≥20 MME/day (no upper limit) * Stable dose for ≥2 weeks OSA group \- Diagnosed OSA with AHI ≥15 events/hour (documented on a prior clinical sleep study) Healthy control group * No history of chronic prescribed opioid use * No known history/diagnosis of OSA * If a prior sleep study exists, AHI must be \<10 events/hour within the past 3 years Exclusion criteria * Prisoners * Pregnancy * BMI \<20 or \>35 * Unable/unwilling to give informed consent or comply with study procedures * Significant comorbidities of other organ systems (e.g., chronic kidney disease, CHF/active cardiac symptoms, cirrhosis, severe lung disease) * Diseases affecting respiratory muscles or breathing control (neuromuscular, neurodegenerative, congenital) * Psychiatric disease other than controlled mood disorders
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Obstructive sleep apnea are added.
By submitting, you agree to our Terms of use
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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
-
The places running it
1 site. The list below names each one and where it is.
-
The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
-
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
-
University of California San Diego
San Diego, California, 92037, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can software read sleep studies as well as a specialist?
- Monthly shot aims to quiet sleep apnea and shed pounds
- Can light therapy shrink tonsils and ease Kids' sleep apnea?
- Breathing brief Low-Oxygen bursts may boost sleep apnea treatment
- Can adding ketamine to propofol improve sleep apnea scans?
- Nighttime CO2 buildup: a hidden clue in sleep apnea?