CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 47 enrolled
Drug / intervention
1 blood sample +1 moreother
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/NCT04970225
NCT04970225N/ACompleted
CompareCT.gov

Functional and Phenotypic Characteristics of Blood Neutrophils in Cystic Fibrosis

Assistance Publique - Hôpitaux de Paris·interventional·Posted Jul 21, 2021·Updated Sep 12, 2025

In Brief

A clinical study evaluating 1 blood sample and 2 blood samples for Cystic Fibrosis. Completed, enrolled 47 participants across 1 site.

Detailed Summary

The purpose of this prospective study is to analyze function and phenotype of blood neutrophils in cystic fibrosis patients and the impact of Pseudomonas aeruginosa chronic infection, treatment with CFTR modulators and acute exacerbation on blood neutrophils phenotype and function.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsCystic Fibrosis
CountriesFrance
CollaboratorsInstitut National de la Santé Et de la Recherche Médicale, France, URC-CIC Paris Descartes Necker Cochin

Timeline

N/ACompletedFinished
20222023202420252026
First PostedJul 21, 2021
Enrollment StartJul 8, 2021
Primary CompletionApr 6, 2023
Study CompletionJan 8, 2025
TodayJul 2, 2026
Enrollment to primary: 1.7 yearsPosted 4.9 years ago

Interventions

1 blood sampleother

4 tubes of 7 ml per sample (a single sample)

2 blood samplesother

4 tubes of 7 ml per sample / 2 samples : before / after antibiotic treatment