Clinical trial NCT03455881: Phenotypic and Genetic Assessment of Tracheal and Esophageal Birth Defects in Patients
Official title: Comprehensive Phenotypic and Genetic Assessment of Tracheal and Esophageal Birth Defects in Patients
Study type: OBSERVATIONAL
Overall status: RECRUITING
Conditions: Tracheoesophageal Fistula
Esophageal Atresia
Laryngeal Cleft
Tracheal Stenosis
Bronchial Stenosis
Esophageal Bronchus
Congenital High Airway Obstruction Syndrome
Keywords: TEF
EA
Tracheal Esophageal birth Defect (TED)
Lead sponsor: Children's Hospital Medical Center, Cincinnati
Sponsor class: OTHER
Collaborators: name: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
name: Columbia University
First posted: 2018-03-07
Enrollment: 360
Sex: ALL
Standard ages: CHILD
ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Observational model: COHORT
Time perspective: PROSPECTIVE
Sampling method: NON_PROBABILITY_SAMPLE
Study population: Approximately 100 NICU TED patient/parent trios for the NICU TED Genetic cohort.

Approximately 100 NICU TED patients for the NICU TED MRI cohort. These patients will also be in the NICU TED cohort.

Approximately 155 TED patient/parent trios from the Esophageal Center for the Esophageal Center Genetic cohort.

Approximately 5 NICU infants with normal tracheal and esophageal anatomy for the NICU Control MRI cohort.

Brief summary: The investigators propose a preliminary study performing exome sequencing on samples from patients and their biologically related family members with tracheal and esophageal birth defects (TED). The purpose of this study is to determine if patients diagnosed with TED and similar disorders carry distinct mutations that lead to predisposition.

The investigators will use advanced, non-invasive magnetic resonance imaging (MRI) techniques to assess tracheal esophageal, lung, and cardiac morphology and function in Neonatal Intensive Care Unit (NICU) patients. MRI techniques is done exclusively if patient is clinically treated at primary study location and if patient has not yet had their initial esophageal repair.

Detailed description: TEDs (tracheal esophageal birth defects) are a life threatening congenital disorder with multiple long term complications. Occurring in 1 in 2,500 to 4,500 live births, TEDs include tracheal malformations such as tracheomalacia, laryngotracheoesophageal clefts, tracheal agenesis, tracheal stenosis, tracheal bronchus, esophageal bronchus and esophageal malformations such as esophageal atresia (EA), tracheal esophageal fistula (TEF), and esophageal duplication. TEDs likely have a genetic basis, but in most cases the specific mutations are unknown. The most commonly diagnosed TED, requiring neonatal hospitalization, is EA/TEF. The familial recurrence rate of EA/TEF is 1% suggesting many result from de novo mutations and while environmental factors may have a minor influence, the mechanisms are unclear. The investigators hypothesize that patients diagnosed with TED and similar disorders carry distinct mutations that lead to predisposition. Currently the diagnosis is confirmed only with a plain chest x-ray showing a coiled feeding tube within the upper esophageal pouch. This approach does not determine the anatomic subtype of EA/TEF, the number or location of TEFs, the size of the gap between proximal and distal esophagus, or the presence of tracheomalacia. Many have evaluated preoperative laryngotracheo-bronchoscopy (LTB) and others have evaluated preoperative computerized tomography (CT) scanning to decrease the unknown factors associated with x-ray, but despite their potential benefits, they have great drawbacks. Therefore, there is a compelling need to develop noninvasive non ionizing imaging methods to evaluate TED infants. Magnetic Resonance Imaging (MRI) is an ideal candidate to fill this role in that it provides non-invasive high resolution anatomic and functional information. Here the investigators propose a preliminary study performing exome sequencing on samples from these patients and their biologically related family members. The investigators will also use advanced, non-invasive MR imaging techniques to assess TE, lung, and cardiac morphology and function in NICU patients.

Eligibility criteria: TED Genetic Cohort:

Inclusion Criteria:

* Patient that has been diagnosed by clinical team with a congenital TED OR family member to the TED diagnosed patient.
* Willingness to donate biological specimens.
* Ability to consent/assent as appropriate.

Exclusion Criteria:

* Unable to determine or unavailable parent trio.
* Unable to provide DNA sample.
* Inability to provide consent.

NICU TED Genetic Cohort:

Inclusion Criteria:

* Infant born between 24 and 42 weeks PMA.
* TED diagnosed by clinical team.
* Inpatient in the Neonatal Intensive Care Unit (NICU) OR family member to the inpatient in the NICU.
* Willingness to donate biological specimens.
* Ability to consent/assent as appropriate.

Exclusion Criteria:

* Unable to determine or unavailable parent trio.
* Unable to provide DNA sample.
* Inability to provide consent.

NICU TED MRI Cohort:

Inclusion Criteria:

* Infant born between 24 and 42 weeks PMA.
* TED diagnosed by clinical team.
* Inpatient in the CCHMC (Cincinnati Children's Hospital Medical Center) NICU.
* Clinically stable and adequate temperature control to tolerate MRI as determined by the primary clinical team.
* Infant and biological parents are participating in the NICU TED cohort.
* Ability to consent/assent as appropriate.

Exclusion Criteria:

* Infant is on extracorporeal membrane oxygenation (ECMO).
* Evidence of congenital diseases that may affect ability to tolerate MRI.
* Standard MRI exclusion criteria as set forth by the CCHMC Department of Radiology. This includes any contraindications from tracheostomy tubes that are not MR compatible.
* Inability to provide consent.

NICU Control MRI Cohort:

Inclusion Criteria:

* Infant born between 24 and 42 weeks post menstrual age (PMA).
* No tracheal or esophageal defects.
* Inpatient in the CCHMC NICU.
* Clinically stable and adequate temperature control to tolerate MRI as determined by the primary clinical team.

Exclusion Criteria:

* Infant is on ECMO.
* Evidence of congenital diseases that may affect ability to tolerate MRI.
* Standard MRI exclusion criteria as set forth by the CCHMC Department of Radiology. This includes any contraindications from tracheostomy tubes that are not MR compatible.
* Inability to provide consent.

Primary outcomes:
measure: Genomic Sequencing
timeFrame: 1 day
measure: Anatomic phenotypes using MRI
timeFrame: 1 day
Secondary outcomes:
measure: Change in the anatomic phenotype using MRI
timeFrame: Change in MRI from pre-repair to discharge
Other outcomes:
Locations:
city: Cincinnati
country: United States
facility: Cincinnati Children's Hospital
state: Ohio
Study officials:
affiliation: Children's Hospital Medical Center, Cincinnati
name: Paul Kingma, MD, PhD
role: PRINCIPAL_INVESTIGATOR
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