Opiate Sleep Disordered Breathing Study
Study Details
Study Description
Brief Summary
Lay title: A study of breathing pauses during sleep in patients on long term opiates.
Sleep apnoea is a term which refers to frequent breathing pauses during sleep. Breathing can stop at night due to the upper airway collapsing (Obstructive sleep apnoea)or reduced signals from the brain driving breathing (central sleep apnoea). Clinical observation has noticed that patients on opiates have an increase in sleep apnoea.
Hypothesis: This study looks at the relationship of opiates (when used for patients chronic pain) and the occurrence of sleep apnoea. It is expected that there will be an increase in sleep apnoea (particularly of the central variant) particularly in patients on long term opiates.
| Condition or Disease | Intervention/Treatment | Phase |
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Detailed Description
The purpose for this study is to test the hypothesis that sleep disordered breathing is more prevalent amongst a group of patients on high dose opiates for chronic pain.
Aims
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To define the prevalence of sleep disordered breathing in a group of patients on oral morphine for chronic pain.
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To determine the prevalence of respiratory failure in this cohort of patients. Patients on long term opiates (>6 months) from an outpatient pain clinic population on long acting morphine formulations > 40 mg/day, Oxycontin 30 mg/day, and Methadone > 20 mg/day were prospectively recruited. Home polysomnograms were done on them. During their clinical review they have spirometry, arterial blood gases, psychomotor vigilance tests done on them.
Study Design
Outcome Measures
Primary Outcome Measures
- Prevalence of sleep disordered breathing in patients on long term opiates. [18 months]
Secondary Outcome Measures
- Prevalence of ventilatory failure in this cohort [18 months]
Eligibility Criteria
Criteria
Inclusion Criteria:
- Patients on long acting Morphine >40mg/day, Oxycontin >30mg/day, and Methadone
20mg/day were contacted.
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Stable opiate dose for 2 weeks
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Lives within 80KM of FMC
Exclusion Criteria:
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Significant CCF/CVA
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Severe COPD
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Major Psychiatric illness
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History of substance abuse in the last 3 months
Contacts and Locations
Locations
| Site | City | State | Country | Postal Code | |
|---|---|---|---|---|---|
| 1 | Pain Management Unit, Flinders Medical Centre | Bedford Park | South Australia | Australia | 5042 |
| 2 | Adelaide Institute of Sleep Health, Repatriation General Hospital, | Daw Park | South Australia | Australia | 5041 |
Sponsors and Collaborators
- Adelaide Institute for Sleep Health
- Flinders Medical Centre
Investigators
- Principal Investigator: Anand R Rose, MD,FRACP, Adelaide Institute of Sleep Health
- Study Director: Doug McEvoy, MD, FRACP, Adelaide Institute of Sleep Health, Repatriation General Hospital
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- 50/07