Impact of Transcatheter Patent Ductus Arteriosus Closure on Left Atrial and Ventricular Remodelin… (NCT07568002) | Clinical Trial Compass
Not Yet RecruitingNot Applicable
Impact of Transcatheter Patent Ductus Arteriosus Closure on Left Atrial and Ventricular Remodeling in Adults and Adolescents.
40 participantsStarted 2026-06-03
Plain-language summary
During the fetal life, small portion of the RV output passes to the lung through the pulmonary artery, while the greater portion is shunted to the descending aorta through the fetal ductus arteriosus (1) which is a connection between the left pulmonary artery and descending thoracic aorta just distal to the left subclavian artery.
With transition from intrauterine to extrauterine life, physiological changes occur resulting in left to right reversal of the shunt through the ductus arteriosus. Increased oxygenation after birth results in calcium and potassium channel activity ending in ductus closure(2).
Patent ductus arteriosus (PDA ) is a congenital heart disease(CHD) represents 6-11% of all CHDs (3) and results from failure of closure of the ductus beyond the third month of age(4).
However, there are a subset of patients who survive to adulthood undiagnosed, and it is present in adulthood with various clinical presentations. The clinical presentation, hemodynamics, and management of PDA presentation in adults depend on various factors, primarily the size of PDA, magnitude of shunting, and status of pulmonary vasculature (5).
Who can participate
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* All adults and adolescent patients \> 0r equal 12 yrs old who are candidate for trans-catheter PDA closure according to the latest European society of cardiology (ESC) and American Heart Associations (AHA) guidelines for management of patients with congenital heart diseases (CHD)(24).
Exclusion Criteria:
* \- 1. Patients with small sized PDA which is silent by auscultation. 2. Patients with large sized PDA which is unsuitable for Trans-catheter closure.
3\. Patients with PDA and severe irreversible pulmonary hypertension (Eisenmenger's syndrome) (7).
4\. Patients with active infection or active infective endocarditis. 5. Patients refuse to participate in the study. 6. Patients with diabetes, systemic hypertension and ischemic heart diseases. 7. Patients with associated congenital or acquired cardiac lesions that may affect/interfere with the LV mechanics.
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Change in myocardial strain parameters in lt atrium and ventricle before and after PDA ligation
Timeframe: From enrollment to the end of treatment at 8 weeks