Calibration Study PREDICT - Prehospital Triage for Suspected Acute Coronary Syndrome Without ST-segment Elevation

Plain-language summary

The PREDICT calibration study is a prospective, non-interventional trial aiming to adapt and calibrate the ACS-Pathfinder algorithm for prehospital triage of patients with suspected non-ST-elevation acute coronary syndrome (NSTE-ACS) in Germany. Approximately 304 patients will be enrolled by six emergency medical service (EMS) stations. All patients will receive standard care and an additional point-of-care troponin test (POCT) performed in the ambulance. Clinical and biomarker data will be collected using a study app, without influencing patient management. Follow-up will be conducted up to 90 days through telephone interviews and hospital record review. The primary objective is to determine the true prevalence of myocardial infarction and calibrate the ACS-Pathfinder algorithm accordingly. Secondary objectives include assessing feasibility, workflow, acceptance, and data processes within the EMS as preparation for a subsequent cluster-randomized main study. The study is coordinated by Prof. Holger Thiele (Heart Center Leipzig) with co-investigators from Leipzig and Hamburg. The sponsor is Leipzig Heart Science gGmbH. Study duration is planned from January to November 2026.

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