ACTRN12613000274774
Recruiting
Phase 2
A Phase IIa trial of patients on opioids for chronic pain, testing the efficacy of minocycline as a glial attenuator versus placebo on respiratory depression and analgesia.
Repatriation General Hospital0 sites15 target enrollmentMarch 7, 2013
Overview
- Phase
- Phase 2
- Intervention
- Not specified
- Conditions
- Central sleep apnoea
- Sponsor
- Repatriation General Hospital
- Enrollment
- 15
- Status
- Recruiting
- Last Updated
- 6 years ago
Overview
Brief Summary
No summary available.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Age 18\-65 years.
- •\-On prescribed oral long acting opioids within pre\-specified dose ranges (morphine 40 – 500 mg /day, oxycodone 30 – 350mg/day or methadone 20 – 100 mg/day) .
- •\-Central sleep apnoea index greater or equal to 5 /hr.
- •Chronic pain patients will only be included if they are prescribed and taking the opioid medication mentioned above, so chronic pain by itself will not be an inclusion.
Exclusion Criteria
- •\-Clinically significant respiratory (e.g. COPD), cardiovascular (e.g. congestive cardiac failure, previous cerebro\-vascular accident) or metabolic disorders.
- •\-Major psychiatric illness.
- •\-History of substance abuse.
- •\-Contra\-indications to minocycline use, ie. Known allergies to tetracycline, severe renal insufficiency, systemic lupus erythematosus, pregnancy or breastfeeding, concurrent prescription and non\-prescription medications, vitamins, nutritional supplements, or herbal products with known interactions with tetracylines (e.g. Vitamin A/retinoids).
- •\-Marked daytime sleepiness Epworth Sleepiness Scale (ESS) equal to or greater than 15\.
- •\-Morbid obesity BMI equal to or greater than 35 kg/m2\.
- •\-Concurrent central sleep apnoea treatment and unwilling or unable to come off treatment for in\-laboratory study nights.
Outcomes
Primary Outcomes
Not specified
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