Clinical Research Directory

Inclusion Criteria: 1. Adults with newly diagnosed GCA (≤30 days since diagnosis); 2. GCA fulfilling the 2022 ACR-EULAR Classification Criteria for GCA, supported by positive temporal artery histology, or compatible cranial or large-vessel imaging; 3. Initiation of standard-of-care treatment for GCA, with or without intravenous glucocorticoids; 4. Ability to provide informed consent and participate in virtual study procedures. Exclusion Criteria: 1. Established indication for antiplatelet therapy (e.g., prior or current myocardial infarction, ischemic stroke, transient ischemic attack, or known coronary, cerebrovascular, or peripheral arterial disease); 2. All-cause bilateral permanent vision loss during the screening period; 3. Chronic use of therapeutic anticoagulation at baseline; 4. Presence of a condition that, in the investigator's opinion, is expected to limit survival to less than 1 year; 5. Any contraindication to low-dose ASA according to the product monograph.