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Antiplatelet vs R-tPA for Acute Mild Ischemic Stroke

2018-09-12 01:58:12 | BioPortfolio

Summary

Acute ischemic stroke (AIS) is one of common diseases with significant morbidity, mortality and disability. A wide array of studies confirms that intravenous thrombolytic therapy with alteplase can effectively improve the functional prognosis in acute ischemic stroke. Thus all guidelines recommended the intravenous thrombolytic therapy with alteplase for acute ischemic stroke within 4.5 hours from stroke onset.

Minor stroke is usually defined as NIHSS score ≤ 3 or 5,although it accounts for 1/2-2/3 of AIS, the evidence of thrombolysis is insufficient. A study from Canada shows that 28.5% of patients with minor stroke who have not receive rt-pa thrombolytic therapy are unable to walk independently when discharged. Based on such a consideration,the PRISMS study further compares the efficacy and safety of thrombolytic therapy with antithrombotic therapy in patients with minor stroke. Unfortunately, the study has been early terminated due to the sponsorship reason in 2018, with only 313 cases enrolled. The preliminary results shows that there is no significant difference of the 90-day neurological function between the two groups, while the safety of the treatment group with alteplase has a higher rate of symptomatic intracranial hemorrhage. The patient receiving thrombolysis can not be given antithrombolytic therapy within 24 hours even if the patient's condition has worsened, is clinically more puzzling.

The CHANCE study in 2013 shows that the efficacy of aspirin with clopidogrel is superior to aspirin alone with minor stroke (NIHSS < 3) or TIA(ABCD2 < 4). The POINT study in 2018 further confirmed the efficacy and safety of intensive antithrombotic therapy within 12 hours of onset with minor stroke.

Based on the above discussion, this study aims to explore the efficacy and safety of aspirin with clopidogrel vs alteplase in the treatment of acute minor stroke.

Study Design

Conditions

Stroke

Intervention

Aspirin, Clopidogrel 75mg, Alteplase

Status

Not yet recruiting

Source

General Hospital of Shenyang Military Region

Results (where available)

View Results

Links

Published on BioPortfolio: 2018-09-12T01:58:12-0400

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Medical and Biotech [MESH] Definitions

A drug combination of aspirin and dipyridamole that functions as a PLATELET AGGREGATION INHIBITOR, used to prevent THROMBOSIS and STROKE in TRANSIENT ISCHEMIC ATTACK patients.

A non-steroidal anti-inflammatory agent that is less effective than equal doses of ASPIRIN in relieving pain and reducing fever. However, individuals who are hypersensitive to ASPIRIN may tolerate sodium salicylate. In general, this salicylate produces the same adverse reactions as ASPIRIN, but there is less occult gastrointestinal bleeding. (From AMA Drug Evaluations Annual, 1992, p120)

Asthmatic adverse reaction (e.g., BRONCHOCONSTRICTION) to conventional NSAIDS including aspirin use.

The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5)

Restoration of functions to the maximum degree possible in a person or persons suffering from a stroke.

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