This study is open to adults aged 18 and over who have just had a heart attack. The purpose of this study is to find out whether a medicine called BI 765845 helps people who have had a heart attack. The investigators also want to test how well different doses of BI 765845 work and how they are tolerated by people who have had a heart attack.
Participants are randomly assigned to receive either BI 765845 or placebo. Placebo treatments look like BI 765845 treatments but do not contain any medicine. Participants are about 3 times as likely to receive BI 765845 than placebo.
Participants are in the study for 3 months. During this time, they visit the study site 7 times and get 3 phone calls from the site staff. At the visits, the doctors use clinical tests to check the health of the heart. The results are compared between the BI 765845 and placebo groups to see whether the treatment works. The doctors also regularly check participants' health and take note of any unwanted effects.
Who can participate
Age range
18 Years
Sex
ALL
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
. Age ≥18 years (or legal age as per local regulations) at the time of signing informed consent
. Signed and dated written informed consent in accordance with ICH Good Clinical Practice (GCP) and local legislation prior to admission to the trial.
. Male or female participants of non-childbearing potential. Male participants must be ready and able to use highly effective methods of birth control per ICH M3 (R2) for at least 5 days following investigational medicinl product (IMP) administration. Women who are not of childbearing potential are considered those that fulfil at least one or more of the following: aged 50 years or above and being naturally amenorrhoeic for at least 1 year (amenorrhoea following cancer therapy or during breast-feeding does not rule out childbearing potential) OR have premature ovarian failure confirmed by a gynaecologist OR have undergone bilateral salpingo-oophorectomy OR have undergone hysterectomy OR are affected by Turner syndrome OR have uterine agenesis
. Onset of symptoms of myocardial ischaemia or myocardial infarct, according to patient report, within a duration of:
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Infarct size measured as the percentage of left ventricular mass that is infarcted as detected using late gadolinium enhancement (LGE) by cardiac magnetic resonance (CMR)
. Patients indicated for rescue PCI (i.e. after receiving fibrinolysis)
. Patients presenting with cardiogenic shock defined as either systolic blood pressure (SBP) ≤90 mmHg persisting despite fluid challenge or inotropes/vasopressors use to maintain SBP \>90 mmHg.
. Known history of symptomatic heart failure (HF) with left ventricular systolic dysfunction (i.e. HFrEF) based on verbal medical history as reported by a trial participant or authorised representative
. Known history of myocardial infarction (MI) with the exception of the index event (based on verbal medical history as reported by a trial participant or authorised representative)
. Previous coronary artery bypass grafting (CABG) (based on verbal medical history as reported by a trial participant or authorised representative) Further exclusion criteria apply.