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Clinical Trial Summary

The goal of this clinical trial is to investigate the impact of repetitive acute Cyclosporine A (CsA) bolus therapy in patients suffering from TTS with an elevated risk of impaired outcome. The main question it aims to answer is whether CsA reduces myocardial injury (primary outcome). Participants will receive CsA or placebo at baseline and every 12h in the first 24h after study inclusion. Researchers will compare CsA and the placebo group to see if a) myocardial injury is reduced, and b) ejection fraction is improved compared to baseline, as well as several other secondary endpoints over a one year follow-up.


Clinical Trial Description

Takotsubo syndrome (TTS) has been suggested to be caused by catecholamine excess with myocardial inflammation-enhanced cardiac injury. Substantial morbidity and mortality have repeatedly been reported, even though reduced ejection fraction frequently recovers spontaneously. So far there is no evidence-based treatment available. In a clinically relevant mouse model of catecholamine-driven TTS, cyclosporine A (CsA) bolus therapy markedly improves outcome, likely mediated via suppression of calcineurin-driven inflammation. The investigators have thus designed a pilot multicentre randomized controlled trial (RCT) to investigate the impact of repetitive CsA bolus therapy vs. placebo in acute TTS patients with an increased risk of intrahospital complications and a 32% estimated 5-year mortality. As primary outcome myocardial damage will be compared between groups via high-sensitive Troponin T plasma area under the curve (AUC). Recovery of cardiac function, the extent of myocardial oedema at 72h, length of hospital-stay, 30-day-, and 1-year composite clinical outcome as well as psychosocial and quality of life self-assessment will be secondary endpoints. The results of this trial may reveal CsA as a first pathophysiology-driven treatment option of TTS and enable a phase III follow-up trial with outcome parameters as primary endpoint. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05946772
Study type Interventional
Source University Hospital Heidelberg
Contact Bastian Bruns, MD
Phone +496221-56-36266
Email bastian.bruns@med.uni-heidelberg.de
Status Not yet recruiting
Phase Phase 2
Start date October 2024
Completion date October 2027

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