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Phase 3 Completed N=60 Treatment

PROMUS Element Japan Small Vessel Trial

Source: ClinicalTrials.gov NCT01080261 ↗
Enrolled (actual)
60
Serious AEs
18.3%
Results posted
Apr 2012
Primary outcomePrimary: Major Adverse Cardiac Events (MACE) (Percentage of Participants With an Event) — 0.0 percentage of participants — p=<0.0001

Summary

A non-randomized, small vessel (SV) trial at approximately 15 sites in Japan to enroll 60 patients with a de novo lesion ≤28 mm in length (by visual estimate) in a native coronary artery ≥2.25 mm to <2.50 mm in diameter (by visual estimate). Approximately thirty patients will be randomly assigned to the angiographic subset to also undergo angiographic assessment after the 12-month clinical follow-up.

Outcome Measures

OutcomeResultp-value
PRIMARY
Major Adverse Cardiac Events (MACE) (Percentage of Participants With an Event)
0.0 <0.0001 sig
SECONDARY
Myocardial Infarction (MI) (Percentage of Participants With an Event)
0.0
SECONDARY
All-cause Death (Percentage of Participants With an Event)
0.0
SECONDARY
Cardiac Death (Percentage of Participants With an Event)
0.0
SECONDARY
Target Vessel Revascularization (Percentage of Participants With an Event)
0.0
SECONDARY
Target Lesion Revascularization (Percentage of Participants With an Event)
0.0
SECONDARY
Target Vessel Failure (TVF) (Percentage of Participants With an Event)
0.0
SECONDARY
Target Lesion Failure (TLF) (Percentage of Participants With an Event)
0.0
SECONDARY
Definite + Probable Stent Thrombosis (ST) Based on Academic Research Consortium (ARC) Definition (Percentage of Participants With an Event)
0.0
SECONDARY
Definite + Probable Stent Thrombosis (ST) Based on Academic Research Consortium (ARC) Definition (Percentage of Participants With an Event)
0.0
SECONDARY
Technical Success (Percentage of Stents)
100.0
SECONDARY
Clinical Procedural Success (Percentage of Participants)
100.0

Eligibility Criteria

Inclusion Criteria

  • Patient must be at least 20 years of age
  • Patient understands the study requirements and the treatment procedures and provides written informed consent before any study-specific tests or procedures are performed
  • Patient is eligible for percutaneous coronary intervention (PCI) with regards to the target lesion Patient is considered suitable for PCI if any of the following criteria meet.
  • Evidence of ischemia documented with stress electrocardiogram (ECG) and/or any diagnostic imaging tests.
  • Target vessel supplies blood to relatively large area of the myocardium.
  • Target lesion is a possible culprit of angina.
  • Target vessel is a potential collateral source for other major vessels
  • Patient has documented stable angina pectoris or documented silent ischemia; or unstable angina pectoris
  • Patient is an acceptable candidate for coronary artery bypass grafting (CABG)
  • Patient has a left ventricular ejection fraction (LVEF) ≥30% as measured within 30 days prior to enrollment
  • Patient is willing to comply with all protocol-required follow-up evaluation

Exclusion Criteria

  • Patient has clinical symptoms and/or ECG changes consistent with acute myocardial infarction (MI)
  • Patient has had a known diagnosis of recent MI (i.e., within 72 hours prior to the index procedure) and has elevated enzymes at the time of the index procedure as follows.
  • Patients are excluded if any of the following criteria are met at the time of the index procedure.
  • If creatine kinase-myoglobin band (CK-MB) is >2× upper limit of normal (ULN), the patient is excluded regardless of the CK Total.
  • If CK MB is 1 2× ULN, the patient is excluded if the CK Total is >2× ULN.
  • If CK Total/CK MB are not used and Troponin is, patients are excluded if the following criterion is met at the time of the index procedure.
  • Troponin >1× ULN with at least one of the following.
  • Patient has ischemic symptoms and ECG changes indicative of ongoing ischemia (e.g., >1 mm ST segment elevation or depression in consecutive leads or new left bundle branch block [LBBB]);
  • Development of pathological Q waves in the ECG; or
  • Imaging evidence of new loss of viable myocardium or new regional wall motion abnormality.

Note: For patients with unstable angina or patients who have had a recent MI, CK Total/CK MB (or Troponin if CK Total/CK MB are not used) must be documented prior to enrolling the patient.

  • Patient has received an organ transplant or is on a waiting list for an organ transplant
  • Patient is receiving or scheduled to receive chemotherapy within 30 days before or after the index procedure
  • Patient is receiving oral or intravenous immunosuppressive therapy (inhaled steroids are not excluded) or has known life-limiting immunosuppressive or autoimmune disease (e.g., human immunodeficiency virus, systemic lupus erythematosus, but not including diabetes mellitus)
  • Patient is receiving chronic (≥72 hours) anticoagulation therapy (e.g., heparin, warfarin) for indications other than acute coronary syndrome
  • Patient has a platelet count 700, 000 cells/mm^3
  • Patient has a white blood cell (WBC) count 2.0 mg/dl or >150 μmol/L)
  • Patient has a history of bleeding diathesis or coagulopathy or will refuse blood transfusions
  • Patient has had a cerebrovascular accident (CVA) or transient ischemic attack (TIA) within the past 6 months, or has any permanent neurologic defect that may cause non-compliance with the protocol
  • Target vessel or side branch has been treated with any type of PCI (e.g., balloon angioplasty, stent, cutting balloon, atherectomy) within 12 months prior to the index procedure (excluding PCI of the non-target lesion within the target vessel treated during the index procedure (Refer to Multiple Interventions During Index Procedure))
  • Target vessel has been treated within 10 mm proximal or distal to the target lesion (by visual estimate) with any type of PCI (e.g., balloon angioplasty, stent, cutting balloon, atherectomy) at any
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01080261). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.

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