Study examining the PROMUS Element everolimus-eluting stent in multi-center Coronary Intervention of complex Arterial Lesion Subsets (OCT and IVUS sub analysis)

Study examining the PROMUS Element everolimus-eluting stent in multi-center Coronary Intervention of complex Arterial Lesion Subsets (OCT and IVUS sub analysis) - SPECIALIST registry

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021122

Enrollment

Registered

2016-02-21

Start date

2012-08-15

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

Complex coronary artery disease

Interventions

Platinum chromium everolimus-eluting stent (PtCr-EES) (manufactured as PROMUS Element by Boston Scientific)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: a. Ischemic heart disease including stable angina pectoris and acute coronary syndrome b. Male or non-pregnant female c. Key lesion inclusion criteria as follows (1) Multi-vessel diseases (2) Long lesion (lesion length >30mm by visual estimation) (3) Small vessel disease (reference diameter <2.5mm by visual estimation) (4) Bifurcation lesion (5) Calcified lesion (6) Protected or non-protected left main trunk disease

Exclusion criteria

Exclusion criteria: (1) Chronic total occlusion (2) In stent restenosis of bare metal stent or everolimus-eluting stent (3) Ostial lesion (4)Excessive tortuosity proximal to or within the lesion (5)Extreme angulation proximal to or within the lesion (6)Lesion is not an acceptable candidate for Optical Coherence Tomography

Design outcomes

Primary

Measure	Time frame
% stent struts uncovered at 9 month as measured by OCT	—

Secondary

Measure	Time frame
% stent struts uncovered at 24 month as measured by OCT	—

Countries

Japan

Contacts

Public ContactKenya Nasu

Toyohashi Heart Center Cardiology

yuyatomoya@gmail.com0532-37-3377

Outcome results

None listed

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