Comparing self-expandable and balloon-expandable valves for aortic dilation treatment
Official title: Efficacy of Self-expandable and Balloon-expandable Valves in Patients With Ascending Aortic Dilation
Run by China National Center for Cardiovascular Diseases · NCT06743568 · Data updated 2026-11-12
This study is testing whether self-expandable or balloon-expandable valves work better for people with aortic dilation who are getting a heart valve replacement.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 65 Years and up |
| Sex | All |
| Enrollment | 100 (estimated) |
| Sponsor | China National Center for Cardiovascular Diseases Government |
| Locations | 3 sites (Beijing, Beijing Municipality and 2 other locations) |
| Status | Recruiting |
| Started | October 15, 2024 |
| Main results expected | July 31, 2026 |
| Study ends | July 31, 2027 |
| Registry record updated | December 20, 2024 |
| Trial ID | NCT06743568 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are patients aged 65 and older with severe aortic stenosis and an ascending aortic diameter between 45mm and 54mm.
✕Probably not a fit
Patients with pure aortic regurgitation or those who have previously undergone aortic valve replacement will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study evaluates the effectiveness of self-expandable versus balloon-expandable valves in patients with ascending aortic dilation undergoing transcatheter aortic valve replacement. Ascending aortic dilation is often seen in patients with aortic stenosis, particularly those with a bicuspid aortic valve. The trial is a multicenter, prospective randomized controlled design, focusing on patients with a maximum ascending aortic diameter of 45mm to 54mm. The goal is to clarify the impact of valve type on patient outcomes in this specific population.
Why it matters
Potential benefit: If successful, this study could lead to improved treatment options for patients with aortic stenosis and ascending aortic dilation.
How similar studies have gone: While there have been studies on valve types in aortic procedures, this specific comparison in the context of ascending aortic dilation is novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Severe AS defined as an aortic valve area (AVA) of 1cm2 or less or an indexed AVA of 0.6 cm2/m2 or less; * Evaluation and selection for TAVR by the multidisciplinary heart team; * Maximum ascending aortic diameter between 45mm and 54mm on preoperative contrast-enhanced computed tomography (CT) scan * Anatomic suitability for a transfemoral vascular access; * Life expectancy of more than 12 months; * Age ≥65 years. Exclusion Criteria: * Pure aortic regurgitation; * History of surgical or transcatheter aortic valve replacement (valve in valve); * History of any aortic surgery; * Emergent surgery; * Patients who refused to be randomized or unable to complete regular follow-up.
Where it's running
-
National Center for Cardiovascular Disease, China & Fuwai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
Beijing, Beijing Municipality, China Recruiting -
Fuwai Shenzhen Hospital
Shenzhen, Guangdong, China Not yet recruiting -
Fuwai Yunnan Cardiovascular Hospital
Kunming, Yunnan, China Not yet recruiting
Study contacts
- Study coordinator: Kang An, MD
- Email: ankang913@126.com
- Phone: +86-15801301740
Similar studies
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.