NCT01269073

Brief Summary

This trial is enrolling patients who are already being seen at OHSU sleep disorder center or have been referred for clinical reasons by their physician to the OHSU sleep disorder center and are going to have a sleep study that would be paid for by their insurance company for clinical reasons. The purpose of this study is to determine whether the Portland sleep apnea quiz has a higher specificity and negative predictive value then the Berlin Sleep Questionnaire in a patient population with a high predisposition to sleep apnea presenting to a sleep center.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Jan 2011

Geographic Reach
1 country

1 active site

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2011

Completed
2 days until next milestone

First Submitted

Initial submission to the registry

January 3, 2011

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 4, 2011

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2012

Completed
Last Updated

August 30, 2019

Status Verified

August 1, 2019

Enrollment Period

1.9 years

First QC Date

January 3, 2011

Last Update Submit

August 27, 2019

Conditions

Sleep Apnea

Keywords

Obstructive Sleep Apnea

Outcome Measures

Primary Outcomes (1)

  • Comparison of 2 questionnaires

    24 months

Eligibility Criteria

Age18 Years - 100 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

adults presenting to a sleep center

You may qualify if:

  • Adults more than 18 years old

You may not qualify if:

  • Subjects Unwilling to Complete the Questionnaire

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Oregon Health and Science University

Portland, Oregon, 97239, United States

Location

MeSH Terms

Conditions

Sleep Apnea SyndromesSleep Apnea, Obstructive

Condition Hierarchy (Ancestors)

ApneaRespiration DisordersRespiratory Tract DiseasesSleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System Diseases
0

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Akram Khan, MD

Study Record Dates

First Submitted

January 3, 2011

First Posted

January 4, 2011

Study Start

January 1, 2011

Primary Completion

December 1, 2012

Study Completion

December 1, 2012

Last Updated

August 30, 2019

Record last verified: 2019-08

Locations

US(1)