Suspended

Promus PREMIER Below The Knee Registry

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What is being collected

Data Collection

Collected from today forward - Prospective
Who is being recruted

Arterial Occlusive Diseases+4

+ Arteriosclerosis

+ Cardiovascular Diseases

Over 21 Years
See all eligibility criteria
How is the trial designed

Case-Only

Examining characteristics of individuals with a disease in order to identify genetic or environmental factors contributing to the condition.
Observational
Study Start: August 2021
See protocol details

Summary

Principal SponsorSengkang General Hospital
Study ContactEdward ChokeMore contacts
Last updated: January 28, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: August 16, 2021

Actual date on which the first participant was enrolled.

Peripheral arterial disease (PAD) is an atherosclerotic condition in which chronic inflammation of the arteries may result in CLTI and ultimately limb loss without treatment. This problem is likely to worsen with the increasing global prevalence of diabetes. The arterial blockage for diabetic CLTI patients occur predominantly in the BTK arteries which are challenging to treat effectively due to the high incidence of elastic recoil and high stenosis rates after plain old balloon angioplasty (POBA) of these often calcified lesions. The additional use of BTK drug-coated balloons (DCBs) have also not demonstrated any significant improvements compared to POBA. The Boston Scientific Promus Premier BTK DES is a next generation DES specifically designed to improve BTK vessel patency using a platinum-chromium alloy-based stent that elutes everolimus. It is made with the most radiopaque biocompatible alloy available with superior axial strength, exceptional conformability, maximum fracture resistance, higher radial strength and less recoil compared to cobalt alloy stent. It also has the highest labelled post-dilatation limits compared to other stents, providing clinicians with more flexibility during procedures. Subjects will be followed up at 1 month, 3 month, 6 month and 12 month post-intervention to assess primary and secondary efficacy and safety.

Official TitlePromus PREMIER Below The Knee Registry
NCT05054764
Principal SponsorSengkang General Hospital
Study ContactEdward ChokeMore contacts
Last updated: January 28, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

30 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Case-only

These studies focus only on individuals who have a specific disease. Researchers examine patterns—often genetic or environmental—to uncover what might be linked to the condition.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 21 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Arterial Occlusive DiseasesArteriosclerosisCardiovascular DiseasesVascular DiseasesPeripheral Vascular DiseasesAtherosclerosisPeripheral Arterial Disease

Criteria

Inclusion Criteria: Clinical inclusion criteria 1. Subject is 21 years or older and has signed and dated the informed consent document (ICD) 2. Subject is willing and able to comply with the study procedures, and follow-up schedule 3. Subject has chronic, symptomatic related lower limb ischemia, determined by Rutherford categories 4 to 6 in the target limb, with wound(s) confined to toes/forefoot 4. Subject is a male or non-pregnant female. If female or child-bearing potential, and if sexually active must be using, or agree to use, a medically acceptable method of birth control as confirmed by the investigator Intraoperative inclusion criteria 1. Stenotic, restenotic or occlusive target lesion(s) located in the tibioperoneal trunk, anterior tibial, posterior tibial and/or peroneal artery(ies). 2. Target lesion(s) must be at least 4cm above the ankle joint 3. A single target lesion per vessel, in up to 2 vessels, in a single limb 4. Degree of stenosis ≥ 70% by visual angiographic assessment 5. RVD is between 2.5 - 3.75mm 6. Total target lesion length (or series of lesion segments) to be treated is ≤ 140 mm (Note: Lesion segment(s) must be fully covered with up to two DES BTK stents) 7. Target vessel(s) reconstitute(s) at or above the stenting limit zone (4cm above the ankle joint) 8. Target lesion(s) is in an area that may be stented without blocking access to patent main branches 9. Treatment of all above the knee inflow lesion(s) is successful prior to treatment of the target lesion 10. Guidewire has successfully crossed the target lesion(s) Exclusion Criteria: Clinical exclusion criteria 1. Life expectancy ≤ 1year 2. Stroke ≤ 90 days prior to the procedure date 3. Prior or planned major amputation in the target limb 4. Previous surgery in the target vessel(s) (including prior ipsilateral crural bypass) 5. Previously implanted stent in the target vessel(s) 6. Failed PTA of target lesion/vessel ≤ 60 days prior to the procedure date 7. Heel gangrene 8. Subject has a platelet count ≤ 50 or ≥ 600 X 103/µL ≤ 30 days prior to the procedure date 9. NYHA class IV heart failure 10. Subject has symptomatic coronary artery disease (i.e., unstable angina) 11. History of myocardial infarction or thrombolysis ≤ 90 days prior to the procedure date 12. Non-atherosclerotic disease resulting in occlusion (e.g., embolism, Buerger's disease, vasculitis) 13. Subject is currently taking Canagliflozin 14. Body Mass Index (BMI) \<18 15. Active septicaemia or bacteraemia 16. Coagulation disorder, including hypercoagulability 17. Contraindication to anticoagulation or antiplatelet therapy 18. Known allergies to stent or stent components 19. Known allergy to contrast media that cannot be adequately pre-medicated prior to the interventional procedure 20. Known hypersensitivity to heparin 21. Subject is on a high dose of steroids or is on immunosuppressive therapy 22. Subject is currently participating, or plans to participate in, another investigational study that may confound the results of this study Intraoperative exclusion criteria 1. Angiographic evidence of intra-arterial acute/subacute thrombus or presence of atheroembolism 2. Treatment required in \> 2 target vessels (Note: a target lesion originating in one vessel and extending into another vessel is considered 1 target vessel) 3. Treatment requires the use of alternate therapy in the target vessel(s)/lesion(s), (e.g., atherectomy, cutting balloon, re-entry devices, laser, radiation therapy) 4. Aneurysm is present in the target vessel(s) 5. Extremely calcified lesions 6. Failure to obtain \<30% residual stenosis in a pre-existing lesion

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Study Objectives

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Recruiting

Sengkang General Hospital

Singapore, SingaporeOpen Sengkang General Hospital in Google Maps
SuspendedOne Study Center