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Table 1 Outcomes and follow-up periods

From: Adverse clinical outcomes associated with double dose clopidogrel compared to the other antiplatelet regimens in patients with coronary artery disease: a systematic review and meta-analysis

Studies

Outcomes reported

Follow-up periods

DDC versus control group

CURRENT OASIS 7 [11]

CV death, MI, or stroke (MACE); CV death, MI, stroke, total mortality, TIMI major bleeding, minor bleeding, fatal bleeding, intracranial bleeding

30 days

DDC versus SDAPT

ACCEL AMI [12]

Minor bleeding

30 days

DDC versus SDAPT

OPTIMUS2007 [13]

Bleeding complications

30 days

DDC versus SDAPT

CREATIVE [14]

MACE, all-cause death, cardiac death, MI, TVR, stroke, ST, major bleeding

18 months

DDC versus SDAPT

Chen2017 [15]

MACE, in-stent thrombosis, TVR, MI, cardiac death, bleeding events, mild bleeding, severe bleeding

12 months

DDC versus SDAPT

Khatri2013 [16]

Composite efficacy outcomes, any bleeding event

23 months

DDC versus prasugrel

OPTIMUS3 [17]

Major and minor TIMI defined bleeding, adverse drug events

7 days

DDC versus prasugrel

PRINCIPLE TIMI 44 [18]

TIMI major and minor bleeding, minor bleeding, hemorrhagic adverse events, MI

2 weeks

DDC versus prasugrel

Tailor2014 [19]

MACE, MI, ST, CV death, stroke

1 month and 571 days

DDC versus prasugrel

Chen2017 [15]

MACE, in-stent thrombosis, TVR, MI, cardiac death, bleeding events, mild bleeding, severe bleeding

12 months

DDC versus ticagrelor

Wu2017 [20]

MACE, minimal bleeding, minor bleeding

30 days

DDC versus ticagrelor

ACCEL AMI [12]

Minor bleeding

30 days

DDC versus TAPT

ACCEL DM [21]

Bleeding event

30 days

DDC versus TAPT

CREATIVE [14]

MACE, all-cause death, cardiac death, MI, TVR, stroke, ST, major bleeding

18 months

DDC versus TAPT

Ha2013 [22]

MACE

1 month

DDC versus TAPT

HOST ASSURE [23]

MACE, cardiac death, MI, stroke, ST, all-cause death, TLR, TVR, PLATO minor bleeding

30 days

DDC versus TAPT

Jeong2009 [24]

MACE, major and minor bleeding

30 days

DDC versus TAPT

  1. Abbreviations: TAPT: triple antiplatelet therapy consisting of aspirin, clopidogrel and cilostazol, DDC: double dose clopidogrel, SDAPT: standard dual antiplatelet therapy, CV: cardiovascular, MI: myocardial infarction, ST: stent thrombosis, MACE: major adverse cardiac events, TIMI: thrombolysis in myocardial infarction, TVR: target vessel revascularization, TLR: target lesion revascularization