Commentary: Theranostics for stroke: Precision medicine is about tailoring therapy to the mechanism of ischemia.

The author comments on a study by K. Malhotra and colleagues, published within the issue, on the therapeutic strategies for acute ischemic stroke patients taking apixaban. He discusses the advances in stroke prevention for atrial fibrillation according to study authors, the clinical dilemma posed by the authors of an acute ischemic stroke developing while the patient is taking apixaban, and the importance of data in the future of precision medicine in stroke and the realization of theranostics.