Clinical trial Recruiting at 1 site Interventional

Early transcatheter aortic valve replacement for critical aortic stenosis with cardiogenic shock

Official title: Transcatheter AortiC Valve Implantation in aorTic stenosIs CardiogenIc Shock - The TACTICS Study - A Randomized Controlled Trial

Run by Copenhagen University Hospital, Rigshospitalet · NCT06638268 · Data updated 2026-11-12

This study will test whether doing a transcatheter aortic valve implantation within 12 hours helps people with critical aortic stenosis and cardiogenic shock survive and recover better than stabilizing them first and treating later.

Quick facts

Study typeInterventional
SexAll
Enrollment30 (estimated)
SponsorCopenhagen University Hospital, Rigshospitalet
Academic / other
Locations1 site (Copenhagen O)
StatusRecruiting
StartedNovember 25, 2024
Main results expectedJuly 1, 2027
Study endsOctober 30, 2027
Registry record updatedApril 22, 2026
Trial IDNCT06638268 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults with critical severe aortic stenosis (aortic valve area <1 cm2) who present in cardiogenic shock with hypoperfusion and hemodynamic instability or who require resuscitation.

Probably not a fit

Patients with recent intracranial hemorrhage, very limited life expectancy, extreme BMI (<15 or >40), high baseline frailty (score ≥6), severe lung disease, or who are unsuitable for TAVI are unlikely to benefit from this approach.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This randomized interventional trial compares immediate TAVI (within 12 hours of admission) versus standard care with ICU stabilization and TAVI 72 hours or more after admission for patients with critical severe aortic stenosis presenting in cardiogenic shock. Eligible patients have an aortic valve area <1.0 cm2 and signs of cardiogenic shock (peripheral hypoperfusion with lactate ≥2.5 mmol/L, systolic blood pressure <100 mmHg or need for vasopressors, and left ventricular ejection fraction ≤45%) or recent syncope/resuscitation. Participants are randomized to one of the two timing strategies and will be followed with outpatient visits to measure survival, quality of life, and cardiac function. The trial is conducted at Rigshospitalet in Copenhagen and compares an acute afterload-reducing intervention against current stabilization-first practice.

Why it matters

Potential benefit: If successful, immediate TAVI could reduce early death and organ failure by quickly restoring valve function and improving cardiac output.

How similar studies have gone: While TAVI is well established for stable severe aortic stenosis, randomized evidence for performing TAVI acutely during cardiogenic shock is limited, so this approach remains relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Aortic valve area less than 1cm2

AND

Cardiogenic Shock defined as:

* Peripheral signs of tissue hypoperfusion (arterial blood lactate ≥2.5mmol/l) AND
* Systolic blood pressure \< 100 mmHg and/or need for vasopressor therapy (dopamine/ norepinephrine or epinephrine) AND
* Left ventricular ejection fraction ≤ 45%

OR

\- Syncope/resuscitation (mechanical ventilation)

Exclusion Criteria:

* Intracranial hemorrhage \< 1 month ago
* Remaining life-expectancy \< 6 month due to other cause
* Body mass index \<15 OR \> 40
* Clinical frailty score ≥6 before present worsening
* Severe lung disease (forced expiratory volume in 1 second OR diffusion capacity of the lungs for carbon monoxide \< 25 of expected)
* Unsuitable for TAVI prior to screening

Where it's running

  • Rigshospitalet Copenhagen University Hospital
    Copenhagen O, Denmark
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.