Comparison Of The Berlin Questionnaire To The Portland Sleep Quiz
Public ClinicalTrials.gov record NCT01269073. 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
Comparison Of The Berlin Questionnaire To The Portland Sleep Quiz In Identification Of Patients At Risk For Obstructive Sleep Apnea
Study identification
- NCT ID
- NCT01269073
- Recruitment status
- Withdrawn
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Akram Khan
- Other
- Enrollment
- Not listed
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 18 Years to 100 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 31, 2010
- Primary completion
- Nov 30, 2012
- Completion
- Nov 30, 2012
- Last update posted
- Aug 29, 2019
2011 – 2012
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Oregon Health and Science University | Portland | Oregon | 97239 | — |
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 NCT01269073, 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 Aug 29, 2019 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01269073 live on ClinicalTrials.gov.