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High On-treatment Platelet Reactivity Identified by Multiple Platelet Function Assay — HOPEmultiPFA  

Acute Coronary Syndrome Clinical Trial

Official title:
High On-treatment Platelet Reactivity to Adenosine Diphosphate Identified by Multiple Platelet Function Assay Guide to Modify Anti-platelet Strategy in Patients Undergoing Percutaneous Coronary Intervention

Clinical Trial Summary

High on-treatment platelet reactivity to adenosine diphosphate was a important reason to cause ischemic events in antiplatelet therapy. Using single testing to definite HPR may miss the "true HPR" or over estimate HPR, which may lead to randomized trials failed. It is not known whether combined multiple platelet function testing could assist to ensure"ture"HPR and improve clinical outcomes.

Clinical Trial Description

This was a single-center, randomized, prospective study. ACS patients undergoing PCI treated with clopidogrel and aspirin were included. in the 3-5th day after prescription of clopidogrel, platelet function were tested simultaneously by three methods: MPAADP by Light transmittance aggregometry（LTA）, MAADP by Thrombelastography (TEG) ,and CTP2Y by Innovance PFA-200 . According to three result（Two of three or all three results higher than cutoff value was identified as HPR, MPALTA>50%;MAADP>47mm;CTP2Y<106s）.Patients was defined as HPR(n=125) or unHPR(n=232), HPR patients were divided into HPR-Ticagrelor(HPR-T)and HPR-Clopidogrel(HPR-C) randomized. HPR-T group(n=77) patients' antiplatelet agents changed to ticagrelor, both unHPR and HPR-C groups keep unchanged(Clopidogrel). The major adverse cardiovascular events (MACE) were recorded during 1 year Follow-up. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02699008
Study type Interventional
Source Wuhan Asia Heart Hospital
Contact
Status Completed
Phase N/A
Start date January 2014
Completion date October 2015
View Details
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