Paired-Ring Mitral Annuloplasty Sizing Device for Mitral Valve Repair
Official title: Evaluation of a Novel Paired-Ring Mitral Annuloplasty Sizing Method and Device
Run by Endeavor Health · NCT06965725 · Data updated 2026-11-12
A pilot study tests a disposable sizing tool to help surgeons pick the final mitral ring size during repair in adults with heart valve disease.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 22 (estimated) |
| Sponsor | Endeavor Health Academic / other |
| Locations | 1 site (Glenview, Illinois) |
| Status | Recruiting |
| Started | July 3, 2025 |
| Main results expected | November 2026 |
| Study ends | November 2026 |
| Registry record updated | September 4, 2026 |
| Trial ID | NCT06965725 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults 18 years or older scheduled for mitral repair surgery.
✕Probably not a fit
Patients who do not undergo mitral repair or whose surgery is canceled or altered to replacement may not benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This was a pilot feasibility study of an investigational, temporary sizing device used during mitral valve repair surgery to directly measure the mitral valve opening and guide final ring size. The aim is to determine whether the paired-ring sizing system can provide a more precise size selection than current rough methods. Enrollment includes adults scheduled for mitral repair, with standard exclusions such as inability to consent or conditions requiring replacement instead. The study is conducted at Endeavor Health in Glenview, Illinois, with Endeavor Health as the lead sponsor. Interventions involve using the annuloplasty ring sizing device during surgery to inform final ring selection.
Why it matters
Potential benefit: If successful, the tool could improve accuracy of mitral ring sizing and potentially improve surgical outcomes.
How similar studies have gone: Other sizing tools have provided only rough estimates; this study explores a more precise sizing method, making this approach relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. All patients scheduled for mitral repair surgery 2. Age 18 years or older Exclusion Criteria: 1. Adults unable to consent, 2. Pregnant women and prisoners. 3. Emergency operations and those patients in whom mitral repair is not performed in a meaningful way, requiring mitral replacement instead, will be excluded. 4. Presence of acute endocarditis infection during the initial screening process
Where it's running
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Endeavor Health
Glenview, Illinois, United States Recruiting
Study contacts
- Principal investigator: Nikola Dobrilovic, MD — Endeavor Health
- Study coordinator: Nikola Dobrilovic, MD
- Email: nikola.dobrilovic@endeavorhealth.org
- Phone: (847) 570-2868
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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.