Prediction of successful guidewire crossing of below-the-knee chronic total occlusions

Prediction of successful guidewire crossing of below-the-knee chronic total occlusions - J-BTK CTO validation study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000044788

Enrollment

500

Registered

2021-07-07

Start date

2021-05-25

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

Peripheral Artery Disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Subject has symptomatic peripheral arterial disease of Rutherford category 4-6. 2. Subject has a chronic total occlusion located in the anterior tibial, posterior tibial, peroneal artery, and tibioperoneal trunk areas.

Exclusion criteria

Exclusion criteria: 1.Subjects who rejected to participate this study through Opt-out method applied by a poster. 2.Acute occlusive intraluminal thrombosis of the proposed lesion site. 3.In-stent restenosis or in-stent occlusion of the proposed lesion site.

Design outcomes

Primary

Measure	Time frame
Correlation between success rate of guidewire crossing and the J-BTK CTO score	—

Secondary

Measure	Time frame
Procedural complications	—

Countries

Japan

Contacts

Public ContactMichinao Tan

Tokeidai Memorial Hospital Cardiovascular center

t.michinao@gmail.com011-251-1221

Outcome results