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Premature BirthNCT02820818

Pulmonary Outcomes of Bronchopulmonary Dysplasia in Young Adulthood

An observational study of Premature Birth and Obstructive Lung Disease, run by St. Justine's Hospital.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Preterm birth alters the normal sequence of lung development with lasting respiratory consequences. It is still unclear whether observed respiratory morbidities in preterm born individuals reflect sequelae from a non-progressive lung disease that occurred early in life or result from ongoing active disease that, if… Read more about this study

Who is it for?
Ages 20 to 29 yearsHealthy volunteers can take part
How many people
50 participants
Where
No sites listed yet
Study dates
Jun 2016to Dec 2021
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 29 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Study population: 25 adults aged 20-29 born preterm (<29 weeks); 25 sex and age-matched controls (friend or sibling).

Who may be able to join

  • 20-29 years old
  • For the pre-term subject: <29 weeks gestational age, with or without BPD
  • For the matched term control: ≥37 weeks gestational age with birth weight appropriate for gestational age i.e. between the 10th and 90th percentile
  • Subject understands the study procedures and is willing to participate in the study as indicated by the signature on the informed consent
  • Subject is judged to be in otherwise stable health on the basis of medical history
  • Subject is able to perform reproducible pulmonary function testing (i.e., the 3 best acceptable spirograms have FEV1 values that do not vary more than 5% of the largest value or more than 100 ml, whichever is greater)

Who cannot join

  • Patient is, in the opinion of the investigator, mentally or legally incapacitated, preventing informed consent from being obtained, or cannot read or understand the written material
  • Patient is unable to perform spirometry or plethysmography maneuvers
  • Subject has an implanted mechanically, electrically or magnetically activated device or any metal in their body which cannot be removed, including but not limited to pacemakers, neurostimulators, biostimulators, implanted insulin pumps, aneurysm clips, bioprosthesis, artificial limb, metallic fragment or foreign body, shunt, surgical staples (including clips or metallic sutures and/or ear implants)(at the discretion of the MRI Technologist/3T Manager)
  • In the investigator's opinion, subject suffers from any physical, psychological or other condition(s) that might prevent performance of the MRI, such as severe claustrophobia

About this study

Official title: Bronchopulmonary Dysplasia: From Neonatal Chronic Lung Disease to Early Onset Adult COPD

Preterm birth alters the normal sequence of lung development with lasting respiratory consequences. It is still unclear whether observed respiratory morbidities in preterm born individuals reflect sequelae from a non-progressive lung disease that occurred early in life or result from ongoing active disease that, if left undiagnosed and untreated, could increase the risk of a COPD-like phenotype. We propose to examine micro-structural abnormalities of the lung using innovative non-invasive imaging technologies in relation to pulmonary function and markers of inflammation and oxidative stress in young adults born preterm.

Keywords
thoracic magnetic resonance imaging, pulmonary function test
Medical subject headings
Premature Birth, Lung Diseases, Obstructive, Bronchopulmonary Dysplasia

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Lung parenchymal tissue density

    Pulmonary hydrogen protons (1H) magnetic resonance imaging (MRI) using ultra-short echo time pulse sequences will be performed to quantify signal intensity (SI) as a surrogate of parenchymal tissue density.

    Measured: Baseline

Secondary outcomes (5)
  1. Ventilation defect

    Thoracic hyperpolarized 129Xe MRI to measure apparent diffusion coefficient (ADC) - subgroup of 10 participants (5 preterm, 5 control)

    Measured: Baseline

  2. Pulmonary function - airflow limitation

    Spirometry (FEV1/FVC) will be performed according to the American Thoracic Society guidelines

    Measured: Baseline

  3. Pulmonary function - lung volumes

    Lung volumes (RV/TLC) by plethysmography will be performed according to the American Thoracic Society guidelines

    Measured: Baseline

  4. Pulmonary function - diffusion lung capacity

    DLCO will be performed according to the American Thoracic Society guidelines

    Measured: Baseline

  5. Pulmonary function - ventilation homogeneity

    Lung clearance index by nitrogen washout will be performed according to the American Thoracic Society guidelines

    Measured: Baseline

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 Jul 2016 (estimated)
  2. Study startJun 2016
  3. Primary completionApr 2017
  4. Study completionDec 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Cross-sectional
Enrolment
50 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02820818
Sponsor's protocol ID
247649
Status last verified
Apr 2024
First submitted
29 Jun 2016
Last updated
10 Apr 2024
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Premature Birth and Obstructive Lung Disease, run by St. Justine's Hospital.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 10 Apr 2024. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Lung parenchymal tissue density (time frame: Baseline). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Apr 2024.

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