Sleep Apnea SyndromesNCT01680380
Tracking Breathing During Sleep With Non-contact Sensors
An observational study of Sleep Apnea Syndromes and Snoring, run by Oregon Health and Science University at 1 site in United States.
Trial summary
The purpose of this study is to evaluate the feasibility of tracking breathing during sleep with non-contact sensors (for example, microphones or wireless movement sensors). The investigators will use the data collected with these sensors to develop algorithms for tracking breathing during sleep. Read more about this study
- Who is it for?
- Ages 21 to 89 yearsHealthy volunteers can take part
- Conditions the study is for
- Sleep Apnea Syndromes, Snoring
- How many people
- 0 participants
- Where
- 1 siteUnited States
- Study dates
- Oct 2012to Aug 2016
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 21 to 89 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: Participants will be recruited from the PI's department (OHSU faculty, Ph.D. students) by email and the investigators' personal acquaintances. Participants must be age 21-100 and have no self-reported sleep breathing problems.
Who may be able to join
- Age 21-89
- No self-reported sleep breathing problems
Who cannot join
- Positive diagnosis for sleep breathing problem (e.g., obstructive sleep apnea)
Trial locations and contacts
1 site in 1 country.
United States1 site
Center for Spoken Language Understanding
Portland, Oregon, 97239
About this study
The purpose of this study is to evaluate the feasibility of tracking breathing during sleep with non-contact sensors (for example, microphones or wireless movement sensors). The investigators will use the data collected with these sensors to develop algorithms for tracking breathing during sleep. The investigators will assess the performance of the algorithms by comparing automatic output against manually-generated labels.
Read the detailed description
Subjects will be asked to place non-contact sensors (for example, ambient microphones, wireless movement sensors) in their home sleep environment. No sensors will be attached to or otherwise in contact with the subject's body. The subjects will start the data collection before they fall asleep, and stop the data collection the next morning when they wake. The subjects will then return the sensors to the investigator for analysis.
The investigators will study the data and associated manual labeling. The investigators will develop algorithms that use statistical and machine-learning methods to train computer models designed to track breathing automatically. The investigators will compare the automatic output against manually generated labels to determine breath-tracking accuracy.
- Conditions
- Sleep Apnea Syndromes, Snoring
- Keywords
- sleep apnea, snoring
- Medical subject headings
- Sleep Apnea Syndromes, Snoring
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| At-Home | Overnight sleep at home |
What is being measured
The primary outcome is the main question the study is designed to answer.
Breathing sounds are evident in overnight audio recordings
This study aims to track breathing during sleep using a high-quality audio interface. Our primary objective is to determine if quiet breathing sounds are visible (in the spectral domain) to trained human labelers.
Measured: Night of recording
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted7 Sep 2012 (estimated)
- Study startOct 2012
- Primary completionAug 2016 (estimated)
- Study completionAug 2016 (estimated)
Why it stopped: Superseded by larger funded study
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Sleep Apnea SyndromesStudies of the same condition, open and under way.
- More trials run by Oregon Health and Science UniversityThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case only
- Time perspective
- Cross-sectional
- Enrolment
- 0 participants (actual)
Sponsor and investigators
- Lead sponsor
- Oregon Health and Science University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Alexander Kain, Oregon Health and Science University
- Investigators
- Alexander Kain, Ph.D., Principal investigator, Oregon Health and Science University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01680380
- Sponsor's protocol ID
- IRB00008533
- Status last verified
- Jul 2016
- First submitted
- 4 Sep 2012
- Last updated
- 7 Jul 2016
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 7 Jul 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Tracking Breathing During Sleep With Non-contact Sensors
- ClinicalTrials.gov ID
- NCT01680380
- Acronym / sponsor ID
- IRB00008533
- Conditions
- Sleep Apnea Syndromes, Snoring
- Keywords
- sleep apnea, snoring
- Study type
- Observational
- Recruitment status
- WithdrawnReason stopped: Superseded by larger funded study
- Enrolment
- 0 participants (actual)
- Lead sponsor
- Oregon Health and Science UniversityUniversity, hospital or other
- Study start
- Oct 2012
- Primary completion
- Aug 2016 (estimated)
- Study completion
- Aug 2016 (estimated)
- First posted
- 7 Sep 2012 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to evaluate the feasibility of tracking breathing during sleep with non-contact sensors (for example, microphones or wireless movement sensors). The investigators will use the data collected with these sensors to develop algorithms for tracking breathing during sleep. The investigators will assess the performance of the algorithms by comparing automatic output against manually-generated labels.
Detailed description
Subjects will be asked to place non-contact sensors (for example, ambient microphones, wireless movement sensors) in their home sleep environment. No sensors will be attached to or otherwise in contact with the subject's body. The subjects will start the data collection before they fall asleep, and stop the data collection the next morning when they wake. The subjects will then return the sensors to the investigator for analysis.
The investigators will study the data and associated manual labeling. The investigators will develop algorithms that use statistical and machine-learning methods to train computer models designed to track breathing automatically. The investigators will compare the automatic output against manually generated labels to determine breath-tracking accuracy.
Study design
- Observational model
- Case only
- Time perspective
- Cross-sectional
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| At-Home | – | –Overnight sleep at home |
Who may qualify
- Ages
- 21 to 89 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- Participants will be recruited from the PI's department (OHSU faculty, Ph.D. students) by email and the investigators' personal acquaintances. Participants must be age 21-100 and have no self-reported sleep breathing problems.
Key inclusion criteria (2 listed)
- Age 21-89
- No self-reported sleep breathing problems
Key exclusion criteria (1 listed)
- Positive diagnosis for sleep breathing problem (e.g., obstructive sleep apnea)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Breathing sounds are evident in overnight audio recordings
Time frame: Night of recording
This study aims to track breathing during sleep using a high-quality audio interface. Our primary objective is to determine if quiet breathing sounds are visible (in the spectral domain) to trained human labelers.
Results and safety
The study was withdrawn before enrolling participants, so there are no results.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 7 Jul 2016.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Alexander Kain, Ph.D. principal investigator
Oregon Health and Science University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Sleep Apnea Syndromes and Snoring, run by Oregon Health and Science University at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: withdrawn, as of the sponsor's last update on 7 Jul 2016. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study was withdrawn before enrolling participants, so there are no results.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Breathing sounds are evident in overnight audio recordings (time frame: Night of recording). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Jul 2016.