Status:

RECRUITING

Addressing Unintentional Leakage When Using Nasal CPAP - Study A

Lead Sponsor:

University of Sao Paulo General Hospital

Conditions:

Continuous Positive Airway Pressure

Adverse Effect

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

Oral unintentional leak is a common side effect of continuous positive airway pressure (CPAP) for obstructive sleep apnea (OSA) treatment. Management of oral unintentional leakage has not been standar...

Detailed Description

Study A will consist of a cross-over controlled randomized trial to compare unintentional leak during auto-CPAP and during fixed CPAP after the progressive reduction of fixed CPAP, starting at the 90 ...

Eligibility Criteria

Inclusion

  • Diagnosis of moderate and severe obstructive sleep apnea;
  • Use of CPAP with a nasal mask;
  • 95th percentile of unintentional leak from the last 7 days above 24 l/min or at least 4 sudden leak line drop events

Exclusion

  • Patients who experience unintentional leakage from the mask/accessories.
  • Diagnostic polysomnography examination with a predominance of central apnea;
  • Patients with unstable heart disease, bedridden, neurodegenerative diseases, severe psychiatric disorders and COPD;
  • Previous surgery for obstructive sleep apnea;
  • Severe nasal obstruction (NOSE questionnaire score equal or greater then 55 points).

Key Trial Info

Start Date :

April 30 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2028

Estimated Enrollment :

100 Patients enrolled

Trial Details

Trial ID

NCT06570616

Start Date

April 30 2025

End Date

December 31 2028

Last Update

April 30 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Sleep Laboratory, Heart Institute, Pulmonary Division, Hospital das Clínicas da Universidade de São Paulo

São Paulo, Brazil, Brazil, 55

2

InCor - Instituto do Coração do Hospital das Clínicas da FMUSP

São Paulo, São Paulo, Brazil, 03134-002