AGRIPPA: Efficacy and Safety of Apixaban in Reducing Restenosis and Limb Loss in PAD Patients.
Study Details
Study Description
Brief Summary
This study will evaluate the efficacy and safety of apixaban 2.5 mg twice daily plus aspirin compared to the standard treatment (clopidogrel plus aspirin) in patients with critical limb ischemia undergoing infrapopliteal arterial endovascular intervention.
Condition or Disease | Intervention/Treatment | Phase |
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Phase 3 |
Detailed Description
This study is a multicentre, parallel-group, prospective, randomized open-label, blinded-endpoint adjudication, proof-of-concept, and exploratory trial. Two hundred patients will be randomized in a 1:1 ratio, 72 hours after successful infrapopliteal angioplasty for critical limb ischemia. In the study group, patients will receive oral apixaban 2.5mg twice daily plus aspirin 100 mg once-daily for 12 months. In the control group, aspirin 100 mg once-daily will be taken for 1 year on a background of clopidogrel (75mg daily) for the first three months. The primary endpoint is the composite of target lesion revascularization (TLR), major amputation or restenosis/occlusion (RAS) plus MACE (myocardial infarction, stroke, and cardiovascular death) at 12 months. The primary safety endpoint is the composite of major bleeding and clinically relevant non-major bleeding at 12 months.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Active Comparator: Control group Aspirin 100 mg (oral, once-daily) for 1 year plus Clopidogrel 75 mg (oral, once-daily) for 3 months. |
Drug: ASA
Acetil Salicilic Acid 100mg once daily for one year
Drug: Clopidogrel 75mg
Clopidogrel 75mg once daily for 3 months
Other Names:
|
Experimental: Apixaban group Apixaban 2.5 mg (oral, twice daily) for 1 year plus Aspirin 100 mg (oral, once-daily) for 1 year. |
Drug: Apixaban
Oral Apixaban 2.5 mg twice daily for one year
Other Names:
Drug: ASA
Acetil Salicilic Acid 100mg once daily for one year
|
Outcome Measures
Primary Outcome Measures
- Restenosis of the treated infrapopliteal artery [12 months]
Number of patients with absence of flow or >2.4 sistolic index obtained by Duplex Scan
- Major amputation [12 months]
Number of patients who underwent amputation of the leg above the ankle
- Clinical driven-target lesion revascularization [12 months]
Number of patients who was submitted by reintervention of the treated infrapopliteal artery based on the clinical status
- Major cardiovascular events [12 months]
Number of patients who present one of those: myocardial infarction, stroke and cardiovascular death
Secondary Outcome Measures
- Bleeding [12 months]
Number of patients who present major bleeding (MB) or clinically relevant non-major bleeding, using the ISTH criteria
- Healing [12 months]
Time to total healing measured by the Imitomeasure program.
Eligibility Criteria
Criteria
Inclusion Criteria:
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Written informed consent.
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Age>18 years old.
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Negative serum pregnancy test (in women of childbearing only).
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Patients submitted to endovascular procedures below-the-knee by not exclusively.
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Patient understands and is willing and able to comply with the study instructions and follow-up visit.
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More than 70% stenosis or occlusion of the three distal arteries including or not the tibiofibular trunk (TFT).
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Tissue loss (Rutherford 5).
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One or more patent vessel of pedal arch.
Exclusion Criteria:
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TASC II D femoral and/or popliteal occlusion.
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Life expectancy less than 1 year.
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Allergy or contraindication to apixaban treatment.
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Allergy or contraindication to dual antiplatelet treatment.
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Creatinine clearance less than 30mL/min.
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Planned major amputation before procedure.
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Hybrid procedure (open and endovascular).
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Use of fibrinolytic in the past 10 days.
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Known HIV infection.
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Liver disease (acute or chronic hepatitis and cirrhosis).
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Drug addiction or alcohol abuse 12 months before the randomization.
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Concomitant medications thatinhibit the CYP 3A4 cytochrome and P glycoprotein (ketoconazole, Iitraconazole, ritonavir).
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Platelets count inferior to 100x109/L.
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INR more than 1.5.
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History or condition with high risk of bleeding: Eg. Trauma within 30 days before randomization, gastrointestinal bleeding 6 month before the randomization, intra-ocular, spinal, intra-articular bleeding (any time before), AV malformation, cerebral aneurysm and hypertension without control.
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | IAMSPE - Sao Paulo Public Servants Hospital | São Paulo | Brazil | 04039000 |
Sponsors and Collaborators
- Science Valley Research Institute
- Wyeth is now a wholly owned subsidiary of Pfizer
Investigators
None specified.Study Documents (Full-Text)
None provided.More Information
Publications
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- AGRIPPA/EMRISTA 2018