Effect of CPAP Treatment in Patients With Severe Uncontrolled Asthma: The ASTHMA-SLEEP Trial

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorHospital Clinic of Barcelona

About this trial

The aim of the study is to evaluate the impact of CPAP treatment on asthma control in patients with severe uncontrolled asthma and obstructive sleep apnea (OSA)

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Age >18 years

Diagnosis of severe uncontrolled asthma according to the criteria of the Spanish Asthma Management Guide (GEMA) or the Global Initiative for Asthma (GINA) and no hospitalizations the month prior to inclusion in the study.

Apnea hypopnea rate greater than or equal to 15/hour

Punctuation in the Epworth Sleepiness Scale ≤10

Disqualifiers

Previous treatment with CPAP

Patient with central sleep apnea or Cheyne-Stokes respiration

Other sleep disorders: narcolepsy, restless leg syndrome, chronic insomnia,

Resistant hypertension

Trial design

Design model

Parallel

Treatments tested in this trial

  • CPAP treatment

    Device

    Subjects allocated to this arm will receive continuous positive airway pressure (CPAP)

  • Hygienic and dietary advice

    Other intervention

    Subjects allocated to this arm will receive hygienic and dietary counselling

Treatment groups

138 Participants
are divided into 2 treatment groups
Group A: Conservative treatmentActive comparator 1 intervention
Group B: CPAP treatmentExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Asthma control questionnaire

To evaluate the impact of CPAP treatment on asthma control based on the Asthma control questionnaire (ACQ)

Time frame
12 months
2

Asthma control test

To evaluate the impact of CPAP treatment on asthma control based on the Asthma control test (ACT)

Time frame
12 months

Secondary outcomes

1

Lung function- forced expiratory volume in the first second (FEV1) in spirometry

To evaluate the impact of CPAP treatment on FEV1 (ml) on spirometry

Time frame
12 months
2

Lung function-forced vital capacity (FVC) in spriometry

To evaluate the impact of CPAP treatment on FVC (ml) on spirometry

Time frame
12 months
3

Prevalence of OSA in severe uncontrolled asthma

Determine the prevalence of OSA in patients with severe uncontrolled asthma

Time frame
Baseline
4

Inflammatory profile

Plasma proteins from peripheral blood samples will be used to analyze an inflammatory panel using a high-throughput, multiplex immunoassay technology based on Proximity Extension Assays (PEA) at baseline and after CPAP treatment

Time frame
Baseline, 6 and 12 months

Other outcomes

Sponsors and contacts

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