Association of SCNN1A Single Nucleotide Polymorphisms With Neonatal Respiratory Distress Syndrome

NCT ID: NCT02333669

Last Updated: 2015-01-07

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

249 participants

Study Classification

OBSERVATIONAL

Study Start Date

2012-01-31

Study Completion Date

2014-12-31

Brief Summary

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Lung fluid absorption disorders are largely mediated by transepithelial Na+ reabsorption through alpha epithelial sodium channels (α-ENaCs) in alveolar epithelial cells. Increasing evidence has demonstrated that these lung disorders might be an important cause of neonatal respiratory distress syndrome (NRDS) by influencing gas exchange or surfactant function, particularly in near-term and term infants. The SCNN1A gene, which encodes the α-ENaC, might predispose infants to NRDS. To explore whether the single-nucleotide polymorphisms (SNPs) of SCNN1A are associated with NRDS, we conducted a case-control study to investigate the NRDS-associated loci in Han Chinese infants. Seven target SNPs were selected from the SCNN1A gene and were genotyped using the improved multiplex ligase detection reaction (iMLDR).

Detailed Description

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Conditions

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Neonatal Respiratory Distress Syndrome

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Control group

The control blood samples, which were collected from healthy neonatal umbilical cord blood, were obtained from the maternity ward of 80 hospitals in Chongqing and nearby areas

no intervention

Intervention Type OTHER

no intervention

RDS group

Newborns with RDS were consecutively recruited for this study from the neonatal intensive care unit (NICU) at Daping Hospital, Third Military Medical University, Chongqing, China, a tertiary care facility

no intervention

Intervention Type OTHER

no intervention

Interventions

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no intervention

no intervention

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Newborns with RDS

Exclusion Criteria

* The infants were excluded if they had any congenital malformation, inherited metabolic abnormalities, intrauterine infection, Rh/Rh incompatibility, pneumonia, pulmonary hypertension, meconium aspiration syndrome, or asphyxia
Minimum Eligible Age

1 Minute

Maximum Eligible Age

28 Days

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Daping Hospital and the Research Institute of Surgery of the Third Military Medical University

OTHER

Sponsor Role lead

Responsible Party

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Li Wang

Daping Hospital and the Research Institute of Surgery of the Third Military Medical University

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Yuan Shi

Role: PRINCIPAL_INVESTIGATOR

Daping Hospital and the Research Institute of Surgery of the Third Military Medical University

Locations

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Department of pediatrics, Daping Hospital, The Third Military Medical University

Chongqing, Chongqing Municipality, China

Site Status

Countries

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China

Other Identifiers

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DapingH023

Identifier Type: -

Identifier Source: org_study_id

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