# Self-Expanding Hydra Transcatheter Heart Valve (THV) Series Versus Balloon-Expandable Devices for Valve-In-Valve Transcatheter Aortic Valve Implantation (TAVI) for Patients With Failed Surgical Aortic Bioprosthesis.

> **NCT07524595** · NA · NOT_YET_RECRUITING · sponsor: **National University of Ireland, Galway, Ireland** · enrollment: 111 (estimated)

## Conditions studied

- AORTIC VALVE DISEASES
- Valve-in-valve Procedures
- Surgical Valve Replacement
- Valve Disease, Aortic

## Interventions

- **DEVICE:** Hydra THV Series
- **DEVICE:** Sapien THV Series and MyVal THV Series

## Key facts

- **NCT ID:** NCT07524595
- **Lead sponsor:** National University of Ireland, Galway, Ireland
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-04
- **Primary completion:** 2027-05
- **Final completion:** 2027-08
- **Target enrollment:** 111 (ESTIMATED)
- **Last updated:** 2026-04-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07524595

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07524595, "Self-Expanding Hydra Transcatheter Heart Valve (THV) Series Versus Balloon-Expandable Devices for Valve-In-Valve Transcatheter Aortic Valve Implantation (TAVI) for Patients With Failed Surgical Aortic Bioprosthesis.". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT07524595. Licensed CC0.

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