Biomarkers for Obstructive Sleep Apnea
Public ClinicalTrials.gov record NCT00834509. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Towards a Blood Test for Diagnosis of Obstructive Sleep Apnea
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of the study is to: * recruit subjects with untreated sleep apnea; assess overnight changes in their blood and urine chemicals * review the overnight changes in blood and urine chemicals after they have been treated for sleep apnea * assess the overnight changes in blood and urine chemicals in healthy individuals with no sleep problems * compare the amount of fat in the belly using a Magnetic Resonance Imaging (MRI) scanner on all subjects
Study identification
- NCT ID
- NCT00834509
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 181 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 30 Years to 70 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 31, 2008
- Primary completion
- Jan 31, 2015
- Completion
- Jan 31, 2015
- Last update posted
- Apr 17, 2017
2008 – 2015
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00834509, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 17, 2017 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00834509 live on ClinicalTrials.gov.