CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 24 enrolled
Drug / intervention
rhinopharyngeal retrograde clearance (RRC)other
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT01976039
NCT01976039N/ACompleted
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The Effectiveness of Rhinopharyngeal Retrograde Clearance on the Upper Airways Symptomatology and Function in Adults

University of Sao Paulo·interventional·Posted Nov 5, 2013·Updated Apr 19, 2018

In Brief

A clinical study evaluating rhinopharyngeal retrograde clearance (RRC) for Nasal Obstruction and Exposure to Pollution. Completed, enrolled 24 participants across 2 sites.

Detailed Summary

Professionals working in polluted areas may present increased clinical airways symptoms and dysfunction. Rhinopharyngeal retrograde clearance (RRC) has been used to improve mucus clearance in infants with bronchitis and bronchiolitis, and instillation the nasal cavity with saline has been used to reduce nasal inflammation in rhinitis and sinusopathies. The aim of this study was to assess the effects of RRC and RCC combined with saline (RRC+S) on nasal mucociliary clearance (MCC), mucus surface property, cellularity and airways symptoms in professional motorcyclists.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsNasal Obstruction, Exposure to Pollution
CountriesBrazil
CollaboratorsFundação de Amparo à Pesquisa do Estado de São Paulo, Conselho Nacional de Desenvolvimento Científico e Tecnológico

Timeline

N/ACompletedFinished
20132014201520162017201820192020202120222023202420252026
First PostedNov 5, 2013
Enrollment StartJul 1, 2012
Primary CompletionAug 1, 2012
TodayJul 2, 2026
Enrollment to primary: 1 monthPosted 12.7 years ago

Interventions

rhinopharyngeal retrograde clearance (RRC)other

The rhinopharyngeal retrograde clearance is a respiratory physical therapy technique that uses a forced inspiratory maneuver to clear the nasopharynx with the aid of saline instillation