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Prospective randomized controlled validation of a computed tomography-centered diagnostic algorithm for coronary artery assessment in patients prior to transcatheter aortic valve implantation

Prospective randomized controlled validation of a computed tomography-centered diagnostic algorithm for coronary artery assessment in patients prior to transcatheter aortic valve implantation - PRO CT-TAVI

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00035014
Enrollment
86
Registered
2024-09-24
Start date
2025-06-11
Completion date
Unknown
Last updated
2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

I35.0

Interventions

Group 1: Computed tomography-centered evaluation prior to transcatheter aortic valve implantation including coronary artery assessment and referral for invasive coronary angiography only in case of su

Sponsors

Koordinierungszentrum für Klinische Studien der Philipps - Universität Marburg (Standort Gießen)
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Symptomatic severe stenosis of the native aortic valve (aortic valve opening area =1,0cm2 and/or mean pressure gradient =40mmHg). Planned diagnostics before TAVI (CT using a single-heartbeat scanner, invasive coronary angiography) at the respective study center. Indication for TAVI (Heart Team consensus according to current guidelines). Willingness to voluntarily participate in the study with a signed consent form.

Exclusion criteria

Exclusion criteria: Known coronary artery disease (e.g., post-PCI; post-CABG). Invasive coronary angiography =6 months before randomization. TAVI via an access route other than transfemoral. Heart failure NYHA stage IV; eGFR <30 ml/min/1.73m². Cognitive and language deficits. Chronic alcohol or drug abuse. Known pregnancy at the time of inclusion. Life expectancy <1 year due to another non-cardiac disease. Participation in a clinical interventional study. Acute COVID-19 infection. Heart rate =100/min. Systolic blood pressure <90 mmHg.

Design outcomes

Primary

MeasureTime frame
Rate of invasive coronary angiographies without significant stenosis (defined as >70% luminal stenosis according to quantitative coronary analysis, or an invasively measured fractional flow reserve 2.50 mm, comparing between the primarily non-invasive group with the control group from baseline until 90 days after TAVI.

Secondary

MeasureTime frame
1) A composite of adverse cardiac events (cardiovascular death, new myocardial infarction, ischemia-driven revascularization, hospitalization for unstable angina or heart failure) at discharge, 3 months and 1 year following transcatheter aortic valve implantation 2) Vascular complications related with invasive coronary angiography and percutaneous coronary intervention at discharge, 3 months and 1 year following transcatheter aortic valve implantation. 3) Cumulative use of contrast material at discharge, 3 months and 1 year following transcatheter aortic valve implantation. 4) Cumulative radiation dose at discharge, 3 months and 1 year following transcatheter aortic valve implantation. 5) Rate of acute kidney injury at discharge, 3 months and 1 year following transcatheter aortic valve implantation. 6) Symptom status and change from baseline in symptom status at discharge, 3 months and 1 year following transcatheter aortic valve implantation. 7) Quality of life and change from baseline in quality of life at discharge, 3 months and 1 year following transcatheter aortic valve implantation. 8) Resource utilization from baseline to discharge, 3 months and 1 year following transcatheter aortic valve implantation applying standard costs (in Euro) 9) Application of computed tomography-based fractional flow reserve (CT-FFR) and its theoretical impact on the primary outcome.

Countries

Germany

Contacts

Public ContactMatthias Renker

Kerckhoff-Klinik GmbH

m.renker@kerckhoff-klinik.de+49 6032 996 0

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 7, 2026