Open-Label, Randomized, Multicenter Clinical Trial to Evaluate the Cardioprotective Effect, Determine Optimal Dosages and Duration of Inhalation, and Confirm the Clinical Safety of the Medicinal Product Aroxxen® in Patients Who Have Undergone Elective Percutaneous Coronary Intervention With Stent Implantation (Phase II)

This is an open-label, randomized, multicenter Phase II clinical study designed to evaluate the cardioprotective effect, to determine the optimal dosages and duration of inhalation, and to assess the clinical safety of the medicinal product Aroxxen® in patients undergoing elective percutaneous coronary intervention (PCI) with stent implantation.

Patients who undergo elective PCI are at risk of myocardial injury associated with the procedure. The study aims to assess whether inhalation of Aroxxen®, administered during the procedure and after it, can reduce markers of myocardial damage and improve clinical outcomes, while maintaining an acceptable safety profile.

Eligible patients will be randomized to receive inhalation of Aroxxen® according to the study protocol or standard therapy without inhalation, depending on the assigned group. The study includes multiple centers and compares different dosing regimens and durations of inhalation in order to identify optimal treatment parameters.

Safety will be evaluated by monitoring adverse events, vital signs, and clinical laboratory parameters throughout the study period. The results of this study are intended to provide data on the safety and potential cardioprotective effects of Aroxxen® and to support further clinical development.