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Obstructive Sleep ApneaNCT01997723

Comparative Effectiveness Research to Enhance Outcomes in African-Americans With Obstructive Sleep Apnea

A study testing Portable monitoring, Polysomnography and Home portable monitoring in people with Obstructive Sleep Apnea, run by University of Illinois Chicago at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Obstructive Sleep Apnea (OSA) is under-diagnosed and is associated with increased cardiovascular morbidity and mortality. Laboratory-based overnight polysomnography (PSG) is the gold standard in clinical practice to diagnose OSA but has availability, cost, and resource limitations. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Obstructive Sleep Apnea
What is being tested?
Portable monitoring, Polysomnography and Home portable monitoring
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
75 participants
Where
1 siteUnited States
Study dates
Aug 2011to Apr 2013
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male and Female African-Americans (age ≥18 years)
  • Berlin Questionnaire
  • Ability to understand written and verbal English

Who cannot join

  • Past treatment of OSA (medical, dental, or surgical)
  • Other primary sleep disorder(s) by history
  • Active uncontrolled medical conditions/immobility
  • Current drug or significant alcohol use
  • No current residential address or contact phone number

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Sleep Science Center

    Chicago, Illinois, 60612

Other trials in United States

About this study

Obstructive Sleep Apnea (OSA) is under-diagnosed and is associated with increased cardiovascular morbidity and mortality. Laboratory-based overnight polysomnography (PSG) is the gold standard in clinical practice to diagnose OSA but has availability, cost, and resource limitations. In the last decade, an alternative diagnostic strategy, Portable Monitoring (PM) has emerged with the goal of reducing expense and delays in clinical management. In contrast to PSG, PM maybe performed unattended in homes, utilize different neurophysiologic and cardiorespiratory parameters, and may synthesize these data differently. PM is feasible and is approved by Centers for Medicare and Medicaid Services (CMS) in the United States. However, the diagnostic utility of PM in minority and underserved populations is not defined.

African-Americans are more severely affected by hypertension and cardiovascular disease (CVD) than other ethnic groups and OSA is more common in this population. OSA is a treatable cause of hypertension. Despite this the impact of timely interventions for OSA on health outcomes and risk reduction specific to African Americans is unknown.

Read more

Purpose of this research: In view of the vulnerability of this population and the potential for improvement in healthcare access for OSA with home-based diagnosis, this study aims to establish the feasibility and identify the potential advantages and limitations of home-based diagnosis of OSA in a high-risk urban African-American population including veterans with frequently limited access to healthcare.

Hypothesis: The investigators hypothesize that home-based PM is not inferior to standard laboratory-based PSG in effectively diagnosing OSA in urban African Americans.

Read the detailed description

Hypothesis: The investigators hypothesize that home-based PM is not inferior to standard laboratory-based PSG in effectively diagnosing OSA in urban African Americans.

The specific aims of this project are:

Primary Aims: Aim 1. To compare the validity of a comprehensive and current PM technology to standard in-laboratory full PSG

1a) to measure and compare diagnostic accuracy of home-based PM with laboratory-PSG

  1. b) to measure and compare diagnostic accuracy of simultaneous laboratory-based PM with laboratory-PSG Aim 2. To test the reliability and examine the applicability of PM in the home-setting
  2. a) to compare diagnostic accuracy of home-based PM with laboratory-based PM

2b) to examine factors associated with technical reliability (data failure rate) of home-based PM 2c) to compare patient satisfaction and preference of testing in home-setting to laboratory-setting

Being tested
Portable monitoring, Polysomnography, Home portable monitoring, Laboratory portable monitoring
Keywords
OSA, portable monitoring, home diagnosis
Medical subject headings
Sleep Apnea, Obstructive

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Portable monitoringDevice

    Also called WatchPAT200, Itamar medical Inc.

    A device applied over 1 arm (on the wrist and finger), worn overnight by patients to detect OSA.

  • PolysomnographyOther

    One attended diagnostic sleep study.

  • Home portable monitoringDevice

    Portable monitoring with WP200 device - applied by participants once at home.

  • Laboratory portable monitoringDevice

    Portable monitoring with WP200 device - applied by technologist once in the laboratory simultaneously with polysomnography.

Study groups in NCT01997723
Study groupRoleWhat they receive
OSA testingExperimentalCross-over design, single group/arm Interventions: polysomnography with simultaneous portable monitoring and home portable monitoring administered to each participant in random order.
Receives: Device: Portable monitoring; Other: Polysomnography; Device: Home portable monitoring; Device: Laboratory portable monitoring

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Apnea Hypopnea Index (AHI)

    AHI is the number of abnormal respiratory events (apneas and hypopneas) per hour of sleep.

    AHI on home portable monitor (PM) compared to AHI on laboratory polysomnography (PSG).

    Measured: 4 days

Secondary outcomes (1)
  1. Technical Failure Rate

    home PM tests that failed to provide technically adequate data for diagnosis. Technical failure(s) were tests where estimated total sleep time (TST) was ≤ 2 hours or portable monitor data of interpretable quality was less than 4 hours per recording.

    Measured: 4 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted28 Nov 2013 (estimated)
  2. Study startAug 2011
  3. Primary completionApr 2012
  4. Study completionApr 2013

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
75 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01997723
Sponsor's protocol ID
2011-0222
Other IDs
KM1CA156717
Status last verified
May 2024
First submitted
22 Nov 2013
Last updated
29 May 2024
Data monitoring committee
Yes

Publications

  • Garg N, Rolle AJ, Lee TA, Prasad B. Home-based diagnosis of obstructive sleep apnea in an urban population. J Clin Sleep Med. 2014 Aug 15;10(8):879-85. doi: 10.5664/jcsm.3960.

    PubMed 25126034

Questions about this trial

What is this clinical trial studying?

A study testing Portable monitoring, Polysomnography and Home portable monitoring in people with Obstructive Sleep Apnea, run by University of Illinois Chicago 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 3 inclusion and 5 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: finished, as of the sponsor's last update on 29 May 2024. 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?

Yes. Results are posted in the registry (first posted 20 Jun 2014). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Apnea Hypopnea Index (AHI) (time frame: 4 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01997723, which also lists 1 linked publication.

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 29 May 2024.

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