A Study in Healthy People to Compare 2 Different Formulations of BI 1015550 Taken With or Without Food

Inclusion Criteria: * Healthy male or female subjects according to the assessment of the investigator, as based on a complete medical history including a physical examination, vital signs (blood pressure (BP), pulse rate (PR)), 12-lead electrocardiogram (ECG), and clinical laboratory tests. * Age of 18 to 55 years (inclusive). * Body mass index (BMI) of 18.5 to 29.9 kg/m2 (inclusive). * Signed and dated written informed consent in accordance with International Council for Harmonisation - Good Clinical Practice (ICH-GCP) and local legislation prior to admission to the trial. * Either male subject, or female subject who meet any of the following criteria from 30 days before drug administration until 7 days after trial completion: * Use of non-oral hormonal contraception associated with inhibition of ovulation: intravaginal or transdermal combinations of estrogen and progestogen or injectable or implantable progestogen. * Use of intrauterine device (IUD) or intrauterine hormone-releasing system (IUS). * Sexually abstinent, i.e. complete abstinence from male-female sex when this is in line with the preferred and usual lifestyle of the study participant. Periodic abstinence e.g. calendar, ovulation, symptothermal, post-ovulation methods; declaration of abstinence for the duration of exposure to study drug; and withdrawal are not acceptable. * Vasectomised sexual partner with appropriate post-vasectomy documentation of the absence of sperm in the ejaculate, provided that part…