Portuguese Myval transcatheter aortic valve registry
Official title: Portuguese Registry With Meril Myval THV Series - MyPORTuVal Registry
Run by Portuguese Association of Interventional Cardiology · NCT06818435 · Data updated 2026-11-12
This project will try the Myval transcatheter heart valve in adults with symptomatic severe aortic stenosis who are having a TAVI procedure to see how safe and effective it is.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 150 (estimated) |
| Sponsor | Portuguese Association of Interventional Cardiology Academic / other |
| Locations | 6 sites (Carnaxide and 5 other locations) |
| Status | Recruiting |
| Started | May 13, 2025 |
| Main results expected | May 2028 |
| Study ends | November 2028 |
| Registry record updated | January 16, 2026 |
| Trial ID | NCT06818435 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults (18+) with symptomatic severe native aortic stenosis who are planned for TAVI with the Myval THV by the Heart Team and can give informed consent and attend follow-up are ideal candidates.
✕Probably not a fit
Patients with active infection, major allergies to device or required medications, significant liver failure (Child-Pugh B/C), pregnant or lactating women, or those judged by the investigator as unsafe for participation are unlikely to benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a prospective, single-arm, multicenter registry enrolling adults with symptomatic severe native aortic valve stenosis treated with the Myval transcatheter heart valve (THV) via TAVI. Patients are screened and selected by a local Heart Team, provide informed consent, and undergo the TAVI procedure using the Myval THV series. Clinical and safety outcomes are collected at the participating Portuguese centers and during scheduled follow-up visits. The registry is observational and aims to document real-world performance and adverse events associated with the device.
Why it matters
Potential benefit: If successful, the registry could show that the Myval valve is a safe and effective TAVI option that may improve symptoms and avoid open-heart surgery for some patients.
How similar studies have gone: TAVI as a technique has extensive supporting evidence, and prior registries and studies of Myval and similar THV devices have reported promising safety and performance, though data continue to be collected.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Patient over the age of 18 years with symptomatic aortic stenosis (severe AS), intended to perform TAVI procedure using Myval THV series as assessed by Heart Team. 2. Patient has provided written informed consent as approved by the Ethics Committee (EC) 3. Patient is willing to undergo all registry procedures and follow-up requirements Exclusion Criteria: 1. Patients with hyper sensitivity or allergy to aspirin, heparin, clopidogrel, ticlopidine, cobalt, nickel, chromium, molybdenum or any contrast media. 2. Ongoing infective endocarditis or any similar infection. 3. Pregnant or lactating females. 4. Liver failure (Child-Pugh Class B or C) 5. Patient is currently participating in another clinical investigation where the primary endpoint has not been achieved. 6. Any condition, which in the investigator opinion, would preclude safe participation of the patient in the Registry.
Where it's running
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Unidade Local de Saúde do Lisboa Ocidental E.P.E. - Hospital Santa Cruz
Carnaxide, Portugal Recruiting -
Unidade Local de Saúde de Coimbra
Coimbra, Portugal Recruiting -
Unidade Local de Saúde Alentejo Central E.P.E. - Hospital Espírito Santo
Evora, Portugal Recruiting -
Unidade Local de Saúde de Santa Maria, E.P.E. - Hospital de Santa Maria
Lisbon, Portugal Recruiting -
Unidade Local de Saúde de São José E.P.E. - Hospital Santa Marta
Lisbon, Portugal Not yet recruiting -
Unidade Local de São João E.P.E.
Porto, Portugal Not yet recruiting
Study contacts
- Study coordinator: Ana Domingues
- Email: ana.domingues@spc.pt
- Phone: +351217970685
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Intravenous iron infusion after transcatheter aortic valve implantation for people with iron deficiency
This trial will test whether an intravenous iron infusion after TAVI helps people aged 65 and older with severe aortic stenosis and iron deficiency feel better and walk farther.
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Transcatheter Aortic Valve Replacement Registry for Outcomes and Quality Monitoring
This registry collects information from hospitals about patients undergoing TAVR to see how care and outcomes compare to guidelines and nationwide data.
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Detecting cardiac amyloidosis in people with severe aortic valve narrowing
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This trial tests whether vericiguat can slow the progression of mild-to-moderate calcific aortic valve stenosis compared with placebo.
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CHATEAU Registry: Real-world outcomes after TAVR
This registry collects real-world data from adults who had TAVR between 2021 and 2025 to see how they do over time and how valve performance holds up.
-
Feasibility and safety of using a tele-operated robot to guide TAVR with TAVIPILOT software
This study tests whether a tele-operated robotic system can help place a transcatheter heart valve during TAVR in patients aged 65 and older.
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.