Defining the Genetic Etiology of Suppurative Lung Disease in Children and Adults

Last updated: October 7, 2024
Sponsor: University of North Carolina, Chapel Hill
Overall Status: Active - Recruiting

Phase

N/A

Condition

Dyskinesias

Primary Immunodeficiency Disorders

Hiv Infections

Treatment

Unaffected Family Member Genetic Testing

Genetic Testing for PCD or PID

Clinical Study ID

NCT04702243
20-0508
5U54HL096458-17
  • Ages 5-45
  • All Genders

Study Summary

The investigators will utilize a systematic approach for the diagnostic evaluation of patients to identify characteristics which may distinguish between Primary Immunodeficiency (PID) disorders versus Primary Ciliary Dyskinesia (PCD).

Eligibility Criteria

Inclusion

Pediatric subjects (aged 5-17 years): Inclusion criteria include the major criterion (bronchiectasis in > 1 lobe on current or chest CT in previous 24 months, if available for review), plus one minor criterion, or two minor criteria, if bronchiectasis is not present, (including at least 1 "lung" minor criteria).

Adult subjects (aged 18-45 years): Inclusion criteria include the major criteria (bronchiectasis in > 1 lobe on current or chest CT in previous 36 months, if available for review), plus one minor criterion, or three minor criteria, if bronchiectasis is not present, (including at least 1 "lung" minor criteria).

Inclusion Criteria:

General Criteria

  • Age 5-45 years

  • Male and Female Subjects

  • All races and ethnicities

Major Clinical Criteria

  • Bronchiectasis in > 1 lobe

Minor Clinical Criteria, Lung

  • Neonatal respiratory distress (in term neonates with O2 requirement)

  • Chronic wet cough (year-round for at least 12 months)

  • Recurrent episodes of bacterial bronchitis

  • Recurrent pneumonia (confirmed on chest x-ray)

  • Respiratory non-tuberculous mycobacteria (NTM) (documented respiratory NTM culture)

Minor Clinical Criteria, Other

  • Chronic nasal congestion

  • Recurrent/chronic paranasal sinusitis

  • Ongoing middle-ear disease and/or tympanostomy tube placement at age ≥ 4 years

  • Organ laterality defect

  • Low nasal nitric oxide (< 77 nL/min) (by plateau measurement)

  • Confirmed family history of PID or PCD

Exclusion

Exclusion Criteria:

  • Anyone who has a confirmed genetic diagnosis of PCD or PID

  • Cystic Fibrosis

  • Alpha-antitrypsin deficiency in adults (18 years and older)

  • Congenital upper or lower airway anomalies

  • Post-lung or heart transplant, or other conditions requiring immunosuppressiontherapy

  • Other confounding features, such as lung disease due to prematurity (born < 28 weeksgestation) or HIV

  • Neurological compromise and evidence of recurrent aspiration

  • Conditions known to be commonly associated with bronchiectasis, such as priormycobacterium tuberculosis

  • Have not had standard clinical evaluation to address other potential causes ofchronic oto-sino- pulmonary disease, particularly cystic fibrosis, aspiration orairway anatomic abnormalities.

Study Design

Total Participants: 1500
Treatment Group(s): 2
Primary Treatment: Unaffected Family Member Genetic Testing
Phase:
Study Start date:
December 01, 2020
Estimated Completion Date:
July 31, 2025

Study Description

This protocol utilizes a cross-sectional study design. Over a 5-year period, the investigators will enroll patients who have clinical and lab features characteristic of a PID disorder or PCD, but do not have a confirmed genetic diagnosis. Innovative, standardized methods (SOPs) will be utilized, including ciliary ultrastructural analyses by transmission electron microscopy (TEM), as pertinent. Measures of nasal nitric oxide (nNO) will be performed in all subjects to allow comparisons of nNO values in PID vs. PCD. Patients with high likelihood of a PID disorder or a high likelihood of PCD will initially undergo research genetic testing on a commercial approved panel for PID disorders or a panel of at least 37 PCD genes. All subjects who do not have a genetic diagnosis from the test panels will undergo whole exome sequencing (WES) to search for novel genetic etiologies for PID or PCD.

Connect with a study center

  • The Hospital for Sick Children

    Toronto, Ontario M5G 0A4
    Canada

    Active - Recruiting

  • McGill University

    Montréal, Quebec H4A 3J1
    Canada

    Active - Recruiting

  • Stanford University

    Palo Alto, California 94304
    United States

    Active - Recruiting

  • Children's Hospital Colorado

    Aurora, Colorado 80045
    United States

    Active - Recruiting

  • National Heart, Lung and Blood Institute

    Bethesda, Maryland 20814
    United States

    Active - Recruiting

  • Washington University in St. Louis

    Saint Louis, Missouri 63130
    United States

    Active - Recruiting

  • University of North Carolina at Chapel Hill

    Chapel Hill, North Carolina 27599
    United States

    Active - Recruiting

  • Seattle Children's Hospital

    Seattle, Washington 98105
    United States

    Active - Recruiting

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