# NVT ALLEGRA TAVI System TF in Failing Calcified Aortic Heart Valves in a Real-world Patient Population

> **NCT03613246** · — · ACTIVE_NOT_RECRUITING · sponsor: **NVT GmbH** · enrollment: 346 (actual)

## Conditions studied

- Transcatheter Aortic Valve Implantation

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03613246
- **Lead sponsor:** NVT GmbH
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2019-02-20
- **Primary completion:** 2024-12-20
- **Final completion:** 2029-01-26
- **Target enrollment:** 346 (ACTUAL)
- **Last updated:** 2025-11-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03613246

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03613246, "NVT ALLEGRA TAVI System TF in Failing Calcified Aortic Heart Valves in a Real-world Patient Population". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03613246. Licensed CC0.

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