Comparing heart function recovery in Takotsubo syndrome and heart attacks

STAMI- Stunning in Takotsubo Versus Acute Myocardial Infarction

Observational Vastra Gotaland Region · NCT04448639

This study is trying to see how heart function recovers in people with Takotsubo syndrome compared to those who have had a heart attack, to understand why TS patients often do better.

Quick facts

Study typeObservational
Enrollment125 (estimated)
SexAll
SponsorVastra Gotaland Region Government
Locations1 site (Gothenburg)
Trial IDNCT04448639 on ClinicalTrials.gov

What this trial studies

The STAMI study aims to investigate the differences in myocardial stunning between patients with Takotsubo syndrome (TS) and those with ST-elevation myocardial infarction (STEMI). This observational study will enroll 100 STEMI patients and 25 TS patients, assessing their heart function recovery through echocardiography, laboratory tests, and ECG at various time points after angiography. By comparing the temporal patterns of recovery, the study seeks to understand why TS patients often have better prognoses despite more pronounced myocardial stunning. The findings could provide insights into treatment strategies for acute heart failure.

Who should consider this trial

Good fit: Ideal candidates include individuals diagnosed with either STEMI or Takotsubo syndrome who are scheduled for coronary angiography within 12 hours of symptom onset.

Not a fit: Patients experiencing cardiogenic shock or those unable to comply with the study protocol may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved management strategies for patients experiencing acute myocardial stunning.

How similar studies have performed: While there have been studies on myocardial stunning, this head-to-head comparison of TS and STEMI is novel and has not been previously conducted.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* STEMI or TS with planned coronary angiography within 12 hours from the onset of symptoms
* Written consent

Exclusion Criteria:

* Cardiogenic shock, defined as Killip class IV
* Expected inability to comply with the protocol

Where this trial is running

Gothenburg

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Myocardial StunningAcute heart failureTaoktsubo SyndromeAcute myocardial infarction
Last reviewed 2026-06-13 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.