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The ATAMIS randomized clinical trial investigated whether adding clopidogrel to aspirin reduced early neurological deterioration in patients with acute mild-to-moderate ischemic stroke compared with aspirin alone. Participants were assigned to dual antiplatelet therapy or aspirin monotherapy, with early neurological deterioration during the initial hospitalization serving as the primary outcome. The trial found that early neurological deterioration occurred less frequently with clopidogrel plus aspirin than with aspirin alone, demonstrating a statistically significant benefit for the primary endpoint. The study addressed an important treatment gap between minor stroke populations, for whom short-term dual antiplatelet therapy is established in selected circumstances, and patients with somewhat greater initial neurological deficits. The findings support a potential role for early dual antiplatelet therapy in reducing neurological worsening in appropriately selected patients; however, the treatment decision must also consider bleeding risk, stroke mechanism, treatment timing, and the applicability of the trial population. Exact event counts, adjusted effect estimates, confidence intervals, and safety outcomes should be transcribed from the full Results tables before using this snippet as a quantitative evidence summary.
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The ATAMIS randomized clinical trial investigated whether adding clopidogrel to aspirin reduced early neurological deterioration in patients with acute mild-to-moderate ischemic stroke compared with aspirin alone. Participants were assigned to dual antiplatelet therapy or aspirin monotherapy, with early neurological deterioration during the initial hospitalization serving as the primary outcome. The trial found that early neurological deterioration occurred less frequently with clopidogrel plus aspirin than with aspirin alone, demonstrating a statistically significant benefit for the primary endpoint. The study addressed an important treatment gap between minor stroke populations, for whom short-term dual antiplatelet therapy is established in selected circumstances, and patients with somewhat greater initial neurological deficits. The findings support a potential role for early dual antiplatelet therapy in reducing neurological worsening in appropriately selected patients; however, the treatment decision must also consider bleeding risk, stroke mechanism, treatment timing, and the applicability of the trial population. Exact event counts, adjusted effect estimates, confidence intervals, and safety outcomes should be transcribed from the full Results tables before using this snippet as a quantitative evidence summary.
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