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Congenital Lung Abnormalities on MRI


- candidate number28850
- NTR NumberNTR7199
- ISRCTNISRCTN no longer applicable
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR24-apr-2018
- Secondary IDsNL65930.078.18 METC
- Public TitleCongenital Lung Abnormalities on MRI
- Scientific TitleCongenital Lung Abnormalities on MRI: the CLAM study
- ACRONYMCLAM
- hypothesis
- Healt Condition(s) or Problem(s) studiedMRI, Lung, Congenital Lung Abnormalities
- Inclusion criteria- Radiological or if resected pathological diagnosis of CPAM
- Enrolment in CHIL follow-up program
- Age ≥ 8 years and < 18 years at the start of the study
- Signed informed consent by parents and/or patient
- Exclusion criteria - Contra- indications for MRI
- Cognitive impairment preventing adherence to breathing instructions
- Presence of associated anomalies in chest cavity which might skew results according to primary physician
- Claustrofobia
- mec approval receivedno
- multicenter trialno
- randomisedno
- groupCrossover
- TypeSingle arm
- Studytypeobservational
- planned startdate 1-okt-2018
- planned closingdate1-aug-2019
- Target number of participants42
- InterventionsMRI
Lungfunction test
- Primary outcomeThe main study endpoints are the MRI features of the lungs both before and after resection of CPAM and its correlation to lung function.
- Secondary outcomeSecondary endpoint is the MRI scan protocol in which optimal imaging of lung parenchyma and abnormalities is achieved. Furthermore, the difference in lung function between surgically and conservatively treated patients as well as their relation to imaging characteristics including volume of the abnormality.
- TimepointsMRI and lungfunction test will be obtained at a single timepoint
- Trial web site
- statusplanned
- CONTACT FOR PUBLIC QUERIESDr. H.A.W.M. Tiddens
- CONTACT for SCIENTIFIC QUERIESDr. H.A.W.M. Tiddens
- Sponsor/Initiator Erasmus Medical Center, Sophia Children's Hospital
- Funding
(Source(s) of Monetary or Material Support)
Vrienden van Sophia
- Publications
- Brief summaryRationale: Congenital lung abnormalities (CLA) are rare developmental anomalies which are increasingly being detected by prenatal ultrasonography. CPAM’s are the most prevalent abnormality comprising up to 30% of all CLA’s. They are cystic lung tissue malformations with pulmonary vascularization and an intact but abnormal connection to the tracheobronchial tree. In symptomatic patient a surgical resection is warranted but there is currently no consensus on the best mode of treatment in asymptomatic patients. They are either operated or undergo structured long-term follow-up. Computed tomography (CT) is the postnatal diagnostic method of choice and most frequently used imaging modality for long-term monitoring and as pre-operative workup because of high accuracy and its excellent spatial resolution. Due to the exposure of ionizing radiation its use should be limited. With recent technological advances allowing shorter scan times, MRI is increasingly being used in diagnosis of various childhood lung diseases including CLA’s, avoiding radiation exposure. Furthermore, the use of functional MRI techniques have added value due to real time imaging. However, there is still lack of information on the optimal scan protocol in CLA and the appearance of these parenchymal anomalies on MRI. As follow-up is warranted in CPAM, a reduction in unnecessary radiation exposure may be achieved by using MRI instead of CT-imaging. Because disease behavior is unknown, standardized follow up is done adhering to general protocols. By imaging these patients the course of the disease may be monitored and follow up may be adapted to these findings.
Objective: Our main objective is to validate a MRI scan protocol for imaging parenchymal abnormalities in CPAM and describe the appearance of these abnormalities on MRI. Furthermore, we want to image postoperative changes in developing lungs of patients operated for CPAM. Correlation between imaging and lung function findings to each other and clinical parameters is a secondary objective.
Study design: Prospective, cross-sectional study of patients with (history of) CPAM conducted at the Erasmus MC – Sophia Children’s Hospital. All subjects are enrolled in a prospective follow-up program in children with congenital anomalies (CHIL, surgical long-term follow-up). Each included patient will visit the hospital once during which a lung function test will be obtained and a subsequent MRI will be made after obtaining signed informed consent.
Study population: All patients between the ages of 8 and 18 years enrolled in the surgical long-term follow-up programme of the Erasmus MC – Sophia Children’s Hospital (CHIL) diagnosed with CPAM will be included when meeting inclusion and exclusion criteria.
Intervention : Not applicable
Main study parameters/endpoints: The main study endpoints are the MRI features of the lungs both before and after resection of CPAM and its correlation to lung function.
Nature and extent of the burden and risks associated with participation, benefit and group relatedness: CPAM is a rare disease and the majority of asymptomatic cases have been detected since the introduction of the prenatal structured ultrasound in the last two decades. As this is the case, the majority of unresected CPAM cases are still in the pediatric age range. As the general practice is to avoid/minimize radiation exposure in the pediatric population, little is known about structural changes of developing lungs after a lung resection. Information obtained from these subjects might possibly aid in further research on lung resection procedures and subsequent follow-up in the pediatric population. MRI is considered a safe imaging technique with no exposure to ionizing radiation. Other than anxiety due to claustrophobia and noise produced by the MRI, no other side-effects are known. Our MRI scan protocol is focused on obtaining the most clear pictures in the least amount of time not exceeding 45 minutes in total.
- Main changes (audit trail)
- RECORD24-apr-2018 - 13-mei-2018


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