Hypertension, Sleep Apnea, Obstructive
Conditions
Keywords
continuous positive airway pressure, hypertension, sleep apnea
Brief summary
MORPHEOS is a multicenter, randomized, unblinded study, for patients diagnosed with uncontrolled hypertension and at least one antihypertensive medication. Those patients with significant sleep apnea wil be randomized to CPAP or nasal strips for 6 months.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* Systolic blood pressure ≥140 mm Hg or diastolic blood pressure ≥ 90 mm Hg * Current treatment with at least 1 antihypertensive drug
Exclusion criteria
* Age \<18 and \>65 years * BMI ≥ 40 kg/m2 * Heart failure, EF \< 45%, acute myocardial infarction, stroke, significant valvular dysfunction * Chronic renal failure (serum creatinine \> 2 mg/dL) * Use of cocaine, amphetamines, alcohol, illicit drugs * Use of sympathomimetics (decongestants, appetite suppressants) * Use of oral contraceptives and chronic use of NSAIDs * Pregnancy * Secondary causes of hypertension (other than sleep apnea)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Impact of OSA treatment with CPAP on office, 24-hour, and central blood pressure (co-primary endpoints). | 6 months |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Impact of OSA treatment with CPAP on target-organ damage | 6 months | — |
| Impact of OSA treatment with CPAP on vascular parameters (to be published as a sub-study) | 6 months | Pulse wave velocity and carotid intima-media thickness |
| Impact of OSA treatment with CPAP on hypertensive retinopathy and optic nerve damage (to be published as a sub-study) | 6 months | — |
| Validation of portable sleep monitoring to diagnose OSA (to be published as a sub-study) | 6 months | — |
Countries
Brazil