Obstructive Sleep Apnea Clinical Trial
— ThermosmartOfficial title:
Effect of Heated Humidity With Thermosmart™ Compared to an Intranasal Steroid in Improving Compliance and Nasal Symptoms in Patients Using Continuous Positive Airway Pressure
Verified date | July 2010 |
Source | Clayton Sleep Insititute |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Food and Drug Administration |
Study type | Interventional |
1. CPAP compliance will be significantly higher in both the heated humidity with
Thermosmart™ and the nasal steroid phases compared to the double placebo phase.
2. CPAP compliance will be comparably improved in the heated humidity with Thermosmart™
phase versus the nasal steroid phase.
3. Improvement in nasal symptoms in using CPAP will be significantly improved in both the
heated humidity with Thermosmart™ and the nasal steroid phases compared to the double
placebo phase, and comparable between the heated humidity with Thermosmart™ phase
versus the nasal steroid phase.
4. Secondary to improvements in CPAP compliance, measures of daytime functioning and
quality of life will improve in the heated humidity with Thermosmart™ versus double
placebo.
Status | Completed |
Enrollment | 44 |
Est. completion date | July 2010 |
Est. primary completion date | July 2010 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 16 Years to 65 Years |
Eligibility |
Inclusion Criteria: - Between the ages of 18-65 - Diagnosis of obstructive sleep apnea (OSA) with apnea/hypopnea index (AHI) > 15/hr - Currently using CPAP therapy and within 3 weeks to 12 months of initial CPAP titration - Based on the CPAP nasal symptom questionnaire, a score of at least 3 (sometimes) for at least one of the following nasal symptoms related to their sleep apnea and CPAP usage: nasal congestion, runny nose, sneezing, or nasal irritation - Willingness to tolerate and continue therapy with nCPAP - Successfully titrated on nCPAP in a sleep center to a pressure between 6-16 cmH2O - Willingness to comply and complete study related procedures - Fluent in the English language Exclusion Criteria: - Co-morbid medical condition that is either medically significant and unstable, would interfere with the patient's ability to routinely use CPAP, or is a contraindication for use of a nasal steroid - Women who are pregnant or who may potentially become pregnant during the course of the research trial. - CPAP compliance over the past three weeks at screening > 5 hours/night, suggesting no compromised CPAP usage due to adverse nasal symptoms - Wake resting SaO2 < 90% - Currently using Bi-Level therapy, supplemental oxygen with CPAP therapy, or using a pressure outside inclusion criteria - Currently using a Full-Face mask for CPAP therapy - Current or prior use of the Fisher Paykel 604 CPAP machine with Thermosmart™ heated humidity. - Patients who were never prescribed a heated humidifier with their CPAP machine (i.e. no humidifier or passover humidifier). - Intranasal steroid treatment within the previous six months. Patient's currently taking intranasal steroid treatment cannot wash-out of steroid treatment to be included nor if patients have used nasal steroid treatment while on CPAP therapy - Current upper airway tract infection, influenza, respiratory infection at time of screening or nasal surgery within 90 days of screening - Prior surgical intervention for obstructive sleep apnea - Currently taking medications that would be contraindicated to using a nasal steroid. Patients taking hypnotic or wake promoting therapy can participate if they have been on a stable dose prior to CPAP therapy and willing to maintain current dose as prescribed. - Shift or rotating shift workers or individuals who routinely cannot contribute at least 6 hours/night to sleep/attempting therapy - Additional sleep disorder that would interfere with routine use of CPAP |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | Clayton Sleep Institute | St. Louis | Missouri |
Lead Sponsor | Collaborator |
---|---|
Clayton Sleep Insititute |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Although an exact & universal definition of CPAP compliance has not been determined. Compliance will be tracked by the CPAP unit and downloaded into an analysis program for review at each visit. | 8 weeks | No | |
Secondary | Nasal Symptom Assessment, Nocturnal Rhinoconjunctivitis Quality of Life Questionnaire, PSQI, Clayton Daytime Fatigue Scale, ESS, FSS, FOSQ, Actigraphy, Sleep, and Diary/Daily Assessments | 8 weeks | No |
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