Description Module
The Description Module contains narrative descriptions of the clinical trial, including a brief summary and detailed description. These descriptions provide important information about the study's purpose, methodology, and key details in language accessible to both researchers and the general public.
Description Module path is as follows:
Study -> Protocol Section -> Description Module
Description Module
Ignite Creation Date:
2025-12-25 @ 4:13 AM
Ignite Modification Date:
2025-12-25 @ 4:13 AM
NCT ID:
NCT03760120
Brief Summary:
Although some studies have brought some evidences about the efficacy of positive expiratory pressure (PEP)-mask therapy as an airway clearance technique, yet it is not clearly understood what is the contribution of this technique in modifying peripheral ventilation inhomogeneity, a typical feature of patients with Cystic Fibrosis (CF).
The aim of this study is to investigate how PEP-MASK affects ventilation inhomogeneity in children and adolescents, with moderate to normal CF lung disease by the change in acinar airways (Sacin), lung clearance index (LCI) and conductive airways (Scond) indexes derived from nitrogen multiple-breath washout test (N2MBW).
Detailed Description:
Investigational device: PEP-MASK=Positive Expiratory Pressure delivered through a face mask.
Standard Operating Procedures used for evaluating CF lung disease and ventilation inhomogeneity.
Sample size: Based on preliminary data collected on seven subjects who performed nitrogen multiple-breath washout test before and after PEP-MASK, assuming a variation of 20% of Sacin, the study requires a sample size of 18 subjects.
Study:
NCT03760120
Study Brief:
Protocol Section:
NCT03760120