Prevalence of Obstructive Sleep Apnoea in Glaucoma
POSAG
POSAG: Prevalence of Obstructive Sleep Apnoea in Glaucoma
1 other identifier
observational
403
1 country
1
Brief Summary
This study aims to investigate a potential link between Obstructive Sleep Apnoea (OSA) and Open Angle Glaucoma (OAG); initially by determining whether the prevalence of OSA is higher in patients with OAG in comparison to people without glaucoma and if OSA is an independent risk factor for OAG. It will comprehensively phenotype glaucoma patients for variables that may be associated with both OSA and OAG.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Mar 2016
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 25, 2016
CompletedStudy Start
First participant enrolled
March 1, 2016
CompletedFirst Posted
Study publicly available on registry
March 18, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 14, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
September 14, 2017
CompletedDecember 2, 2017
November 1, 2017
1.5 years
January 25, 2016
November 29, 2017
Conditions
Outcome Measures
Primary Outcomes (1)
Diagnosis of OSA
Clinical diagnosis of OSA defined as apnoea hypopnoea index (AHI) \>5
Within 24 hours of recruitment on to study (cross-sectional)
Secondary Outcomes (9)
OSA severity
24 hours
Glaucoma severity
24 hours
Ocular perfusion pressure (OPP)
24 hours
Postural changes in intraocular pressure (IOP)
24 hours
Optic nerve head perfusion
24 hours
- +4 more secondary outcomes
Study Arms (2)
Patients with OAG
Patients with a diagnosis of Open Angle Glaucoma
Controls
Controls without a diagnosis of Open Angle Glaucoma
Eligibility Criteria
Patients and healthy volunteers
You may qualify if:
- Glaucoma patients:
- Open angle glaucoma (including primary open angle glaucoma, normal tension glaucoma and pseudoexfoliation glaucoma) in either eye.
- Age ≥18 years
- Able to give informed consent and attend at the required frequency for the duration of the study.
- Control group:
- Age ≥18 years
- Able to give informed consent and attend at the required frequency for the duration of the study.
You may not qualify if:
- Glaucoma patients:
- Unable to perform reliable visual field testing (\>15% false positives, \>20% fixation losses. However, if fixation losses are \>20%, the eye tracker may be used to assess reliability)
- Known or suspected pregnancy.
- Tracheostomy
- Use of nocturnal oxygen for indications other than sleep related breathing disorders (SBD).
- Control group:
- Known or suspected pregnancy
- Known or suspected glaucoma (participants with glaucoma diagnosed during screening ophthalmic examination and newly identified glaucoma 'suspects' will also be excluded)
- Inability to undergo screening ophthalmic examination
- Tracheostomy
- Use of nocturnal oxygen for indications other than sleep related breathing disorders (SBD).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Papworth Hospital NHS Foundation Trustlead
- Anglia Ruskin Universitycollaborator
- Hinchingbrooke Healthcare NHS Trustcollaborator
Study Sites (1)
Hinchingbrooke Hospital NHS Foundation Trust
Huntingdon, Cambridgeshire, PE29 6NT, United Kingdom
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER GOV
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 25, 2016
First Posted
March 18, 2016
Study Start
March 1, 2016
Primary Completion
September 14, 2017
Study Completion
September 14, 2017
Last Updated
December 2, 2017
Record last verified: 2017-11
Data Sharing
- IPD Sharing
- Will not share
Will not be sharing individual participant data. All study data will be anonymised.