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The effect of changing thienopyridine drugs on platelet aggregation for patients with acute and elective stent placement in coronary artery

The effect of changing thienopyridine drugs on platelet aggregation for patients with acute and elective stent placement in coronary artery - Comparison of novel antiplatelet agent prasugrel versus clopidogrel switched from prasugrel with aspirin treatment in Japanese patients undergoing PCI (CONTINUE VERSUS SWITCH-Kyushu)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000015122
Enrollment
150
Registered
2014-09-19
Start date
2014-12-19
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ischemic heart diseases with PCI

Interventions

Sponsors

Kurume University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients at least 20 years old (2) Patients who give written consent (3) Patients who are diagnosed as ACS and planned to undergo PCI or patients who are diagnosed as coronary heart disease and planned to undergo elective stent treatment in coronary artery

Exclusion criteria

Exclusion criteria: (1) Patients with tendency or factor of bleeding (2) Patients with severe hepatic dysfunction (3) Patients with severe renal dysfunction (4) Patients under antihypertensive therapy or with poor control of blood pressure (5) Patients with a history of cerebral infarction or transient cerebral ischemia (6) Patients with hypersensitivity to thienopyridine (7) Patients receiving thienopyridine within 30 days of the initial dose (8) Patients who have difficulties in participation in this study by the investigator's judgment

Design outcomes

Primary

MeasureTime frame
PRU value at 6 weeks after the initial dose

Secondary

MeasureTime frame
PRU value by genetic polymorphism of the CYP2C19 gene Frequency of hemorrhagic adverse events during the dosing period

Countries

Japan

Contacts

Public ContactTakafumi Ueno

Kurume University Hospital Center of Cardio-vascular Disease

takueno@med.kurume-u.ac.jp0942-35-3311

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026