Investigating the Safety and Efficacy of the Treatment With Luminor DCB and Angiolite DES of iVascular in TASC C and D Tibial Occlusive Disease in Patients With Critical Limb Ischemia (MERLION)
Primary Purpose
Critical Limb Ischemia
Status
Completed
Phase
Not Applicable
Locations
Singapore
Study Type
Interventional
Intervention
Luminor DCB and Angiolite DES
Sponsored by

About this trial
This is an interventional treatment trial for Critical Limb Ischemia focused on measuring Angioplasty, Drug Coated Balloon, Drug Coated Stents
Eligibility Criteria
Inclusion Criteria:
- Patient 21 and above
- Patient has critical limb ischemia, presenting a score from 4 to 6 following Rutherford Classification
- Patient is willing to comply with the specified follow-up evaluations at specified time points
- Patient understands the nature of the procedure and provides written informed consent, prior to enrolment in the study
- Patient has a projected life expectancy of at least 12 months
- Prior to enrolment, the guidewire has crossed target lesion
- Patient is eligible for treatment with Luminor Paclitaxel-Eluting Peripheral Balloon Dilation Catheter and Angiolite Drug Eluting Stent
- De novo and post-PTA restenotic lesions located in the tibial arteries suitable for endovascular surgery
- The target lesion is located within the native tibial artery
- The length of the target lesion is >100mm and considered as TASC C or D lesion according to TASC II Classification
- The target lesion has angiographic evidence of stenosis >50% or occlusion, which can be passed with standard guidewire manipulation
- Target vessel diameter visually estimated is >1.5mm and <4.5mm below the knee
- Either one or two different tibial arteries may be treated. Lesions in the treated segment may be continuous or may have gaps present between stenosis and occlusions.
- Any tibial vessel intervened on must have distal reconstitution above the ankle
- Inflow iliac, SFA and popliteal lesions can be treated during the same procedure using standard angioplasty and/or approved device. These inflow lesions must be treated first prior to consideration of the BTK lesion. The patient can be enrolled if the inflow lesions are treated with good angiographic results (must have <30% residual stenosis and no evidence of embolization).
- There is angiographic evidence of at least one-vessel-runoff to the foot, irrespective of whether or not outflow-was established by means of previous endovascular intervention.
Exclusion Criteria:
- Patient refusing treatment
- Patient is permanently wheelchair-bound or bedridden
- Presence of a stent in the target lesions that was placed during a previous procedure
- Untreated flow-limiting inflow lesions
- Any previous surgery in the same limb
- Presence of an aortic thrombosis or significant common femoral ipsilateral stenosis
- Previous bypass surgery in the same limb
- Patient for whom antiplatelet therapy, anticoagulants or thrombolytic drugs are contraindicated.
- Patients who exhibit persistent acute intraluminal thrombus of the proposed lesion site
- Perforation at the angioplasty site evidenced by extravasation of contrast medium
- Patients with known hypersensitivity to heparin, including those patients who have a previous incidence of heparin-induced thrombocytopenia (HIT) type II
- Patients with uncorrected bleeding disorders
- Aneurysm located at the level of SFA/popliteal artery
- Non-atherosclerotic disease resulting in occlusion (e.g. embolism, Buerger's disease, vasculitis)
- Severe medical comorbidities (untreated CFA/CHF, severe COPD, metastatic malignancy, dementia, etc.) or other medical conditions that would preclude compliance with the study protocol or 1-year life expectancy
- Major distal amputation (above the transmetatarsal) in the study limb or non-study limb
- Septicemia or bacteremia
- Patient has undrained pus or spreading wet gangrene in the foot that is not controlled at the time of revascularization procedure.
- Episode of acute limb ischemia within the previous 1 month
- Use of thrombectomy, atherectomy, or laser devices during procedure
- Any patient considered to be hemodynamically unstable at onset of procedure
- Known allergy to contrast media that cannot be adequately pre-medicated prior to the study procedure.
- Patient is participating in another research study of a device, medication, biologic or other agent within 30 days which could in the opinion of the investigator affect the results of this study.
Sites / Locations
- Singapore General Hospital
- Khoo Teck Puat Hospital
Arms of the Study
Arm 1
Arm Type
Experimental
Arm Label
Luminor DCB and Angiolite DES
Arm Description
Study Devices
Outcomes
Primary Outcome Measures
Freedom from Major Adverse Events
No device- and procedure-related mortality through 30 days, no major target limb amputation.
Freedom from Target Lesion Revascularization
No re-intervention performed for more than 50% diameter stenosis at the target lesion after documentation of recurrent clinical symptoms of patient.
Secondary Outcome Measures
Primary patency rate
Absence of hemodynamically significant stenosis on duplex ultrasound (systolic velocity ration no greater than 2.5) at the target lesion and without TLR within the time of procedure and given follow-up
Technical success
Ability to cross and dilate the lesion and achieve residual angiographic stenosis no greater than 30%
Freedom from clinically-driven TLR
Defined as absence of any repeat intervention to maintain and re-establish patency within the region of the treated arterial vessel plus 5mm proximal and distal to the treated lesion edge
Clinical success at follow-up
Improvement of Rutherford Classification
Full Information
NCT ID
NCT04073121
First Posted
August 26, 2019
Last Updated
March 16, 2021
Sponsor
Singapore General Hospital
1. Study Identification
Unique Protocol Identification Number
NCT04073121
Brief Title
Investigating the Safety and Efficacy of the Treatment With Luminor DCB and Angiolite DES of iVascular in TASC C and D Tibial Occlusive Disease in Patients With Critical Limb Ischemia
Acronym
MERLION
Official Title
Physician Initiated, Prospective, Non-Randomized Multi-center Trial, Investigating the Safety and Efficacy of the Treatment With Luminor DCB and Angiolite DES of iVascular in TASC C and D Tibial Occlusive Disease in Patients With Critical Limb Ischemia
Study Type
Interventional
2. Study Status
Record Verification Date
March 2021
Overall Recruitment Status
Completed
Study Start Date
December 27, 2018 (Actual)
Primary Completion Date
March 10, 2020 (Actual)
Study Completion Date
September 30, 2020 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Singapore General Hospital
4. Oversight
Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No
5. Study Description
Brief Summary
This study aims to evaluate the 12 month outcome of the mono- or combination therapy with iVascular Luminor DCB and Angiolite DES for treatment of TASC C and TASC D long tibial occlusive disease, presenting with critical limb ischemia.
Detailed Description
Extensive arterial occlusions significantly reduces distal arterial perfusion, and may eventually lead to Critical Limb Ischemia (CLI). The pathology gives rise to symptoms such as ischemic pain, slow healing wounds at lower extremity and gangrene. It places patients with multi-segment occlusion at high risks of amputations and mortality.
The treatment methods for such long occlusive lesions are limited. Traditionally, the standard of care would be surgical revascularization. This is because lesion length have been identified in several studies as an independent risk factor for the development of restenosis after angioplasty and/or stenting. However, thanks to recent advances in endovascular techniques, such as the utilization of subintimal technique for crossing long segment occlusions, it is now possible to employ endovascular techniques for suitable patients.
The re-establishment of an in-line flow, even if only temporary, can allow tissue healing, which is vital in achieving limb salvage. In addition, the use of Drug Coated Balloons (DCB) and Drug Eluting Stents (DES) can potentially reduce restenosis rate.
To date, there are few studies that have evaluated the performance of DCB in lesions that are longer than 10cm. We hope to evaluate the performance of iVascular Luminor DCB and Angiolite DES when used in the treatment of such lesions.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Critical Limb Ischemia
Keywords
Angioplasty, Drug Coated Balloon, Drug Coated Stents
7. Study Design
Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
50 (Actual)
8. Arms, Groups, and Interventions
Arm Title
Luminor DCB and Angiolite DES
Arm Type
Experimental
Arm Description
Study Devices
Intervention Type
Device
Intervention Name(s)
Luminor DCB and Angiolite DES
Intervention Description
Patient to undergo angioplasty with Luminor DCB and Angiolite DES
Primary Outcome Measure Information:
Title
Freedom from Major Adverse Events
Description
No device- and procedure-related mortality through 30 days, no major target limb amputation.
Time Frame
30 days post-operation
Title
Freedom from Target Lesion Revascularization
Description
No re-intervention performed for more than 50% diameter stenosis at the target lesion after documentation of recurrent clinical symptoms of patient.
Time Frame
12 months post-operation
Secondary Outcome Measure Information:
Title
Primary patency rate
Description
Absence of hemodynamically significant stenosis on duplex ultrasound (systolic velocity ration no greater than 2.5) at the target lesion and without TLR within the time of procedure and given follow-up
Time Frame
6 and 12 months post operation
Title
Technical success
Description
Ability to cross and dilate the lesion and achieve residual angiographic stenosis no greater than 30%
Time Frame
immediately post-operation
Title
Freedom from clinically-driven TLR
Description
Defined as absence of any repeat intervention to maintain and re-establish patency within the region of the treated arterial vessel plus 5mm proximal and distal to the treated lesion edge
Time Frame
6 month follow-up
Title
Clinical success at follow-up
Description
Improvement of Rutherford Classification
Time Frame
1, 6 and 12 months post-operation
10. Eligibility
Sex
All
Minimum Age & Unit of Time
21 Years
Maximum Age & Unit of Time
90 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Patient 21 and above
Patient has critical limb ischemia, presenting a score from 4 to 6 following Rutherford Classification
Patient is willing to comply with the specified follow-up evaluations at specified time points
Patient understands the nature of the procedure and provides written informed consent, prior to enrolment in the study
Patient has a projected life expectancy of at least 12 months
Prior to enrolment, the guidewire has crossed target lesion
Patient is eligible for treatment with Luminor Paclitaxel-Eluting Peripheral Balloon Dilation Catheter and Angiolite Drug Eluting Stent
De novo and post-PTA restenotic lesions located in the tibial arteries suitable for endovascular surgery
The target lesion is located within the native tibial artery
The length of the target lesion is >100mm and considered as TASC C or D lesion according to TASC II Classification
The target lesion has angiographic evidence of stenosis >50% or occlusion, which can be passed with standard guidewire manipulation
Target vessel diameter visually estimated is >1.5mm and <4.5mm below the knee
Either one or two different tibial arteries may be treated. Lesions in the treated segment may be continuous or may have gaps present between stenosis and occlusions.
Any tibial vessel intervened on must have distal reconstitution above the ankle
Inflow iliac, SFA and popliteal lesions can be treated during the same procedure using standard angioplasty and/or approved device. These inflow lesions must be treated first prior to consideration of the BTK lesion. The patient can be enrolled if the inflow lesions are treated with good angiographic results (must have <30% residual stenosis and no evidence of embolization).
There is angiographic evidence of at least one-vessel-runoff to the foot, irrespective of whether or not outflow-was established by means of previous endovascular intervention.
Exclusion Criteria:
Patient refusing treatment
Patient is permanently wheelchair-bound or bedridden
Presence of a stent in the target lesions that was placed during a previous procedure
Untreated flow-limiting inflow lesions
Any previous surgery in the same limb
Presence of an aortic thrombosis or significant common femoral ipsilateral stenosis
Previous bypass surgery in the same limb
Patient for whom antiplatelet therapy, anticoagulants or thrombolytic drugs are contraindicated.
Patients who exhibit persistent acute intraluminal thrombus of the proposed lesion site
Perforation at the angioplasty site evidenced by extravasation of contrast medium
Patients with known hypersensitivity to heparin, including those patients who have a previous incidence of heparin-induced thrombocytopenia (HIT) type II
Patients with uncorrected bleeding disorders
Aneurysm located at the level of SFA/popliteal artery
Non-atherosclerotic disease resulting in occlusion (e.g. embolism, Buerger's disease, vasculitis)
Severe medical comorbidities (untreated CFA/CHF, severe COPD, metastatic malignancy, dementia, etc.) or other medical conditions that would preclude compliance with the study protocol or 1-year life expectancy
Major distal amputation (above the transmetatarsal) in the study limb or non-study limb
Septicemia or bacteremia
Patient has undrained pus or spreading wet gangrene in the foot that is not controlled at the time of revascularization procedure.
Episode of acute limb ischemia within the previous 1 month
Use of thrombectomy, atherectomy, or laser devices during procedure
Any patient considered to be hemodynamically unstable at onset of procedure
Known allergy to contrast media that cannot be adequately pre-medicated prior to the study procedure.
Patient is participating in another research study of a device, medication, biologic or other agent within 30 days which could in the opinion of the investigator affect the results of this study.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Tjun Yip Tang
Organizational Affiliation
Singapore General Hospital
Official's Role
Principal Investigator
Facility Information:
Facility Name
Singapore General Hospital
City
Singapore
ZIP/Postal Code
169608
Country
Singapore
Facility Name
Khoo Teck Puat Hospital
City
Singapore
ZIP/Postal Code
768828
Country
Singapore
12. IPD Sharing Statement
Plan to Share IPD
No
Citations:
PubMed Identifier
18727966
Citation
Baril DT, Marone LK, Kim J, Go MR, Chaer RA, Rhee RY. Outcomes of endovascular interventions for TASC II B and C femoropopliteal lesions. J Vasc Surg. 2008 Sep;48(3):627-33. doi: 10.1016/j.jvs.2008.04.059.
Results Reference
background
PubMed Identifier
25435663
Citation
Christenson BM, Rochon P, Gipson M, Gupta R, Smith MT. Treatment of infrapopliteal arterial occlusive disease in critical limb ischemia. Semin Intervent Radiol. 2014 Dec;31(4):370-4. doi: 10.1055/s-0034-1393974. No abstract available.
Results Reference
background
PubMed Identifier
18502084
Citation
Giles KA, Pomposelli FB, Spence TL, Hamdan AD, Blattman SB, Panossian H, Schermerhorn ML. Infrapopliteal angioplasty for critical limb ischemia: relation of TransAtlantic InterSociety Consensus class to outcome in 176 limbs. J Vasc Surg. 2008 Jul;48(1):128-36. doi: 10.1016/j.jvs.2008.02.027. Epub 2008 May 23. Erratum In: J Vasc Surg. 2009 Nov;50(5):1249. Spence, T L [added].
Results Reference
background
PubMed Identifier
26268268
Citation
TASC Steering Committee; Jaff MR, White CJ, Hiatt WR, Fowkes GR, Dormandy J, Razavi M, Reekers J, Norgren L. An Update on Methods for Revascularization and Expansion of the TASC Lesion Classification to Include Below-the-Knee Arteries: A Supplement to the Inter-Society Consensus for the Management of Peripheral Arterial Disease (TASC II). Vasc Med. 2015 Oct;20(5):465-78. doi: 10.1177/1358863X15597877. Epub 2015 Aug 12.
Results Reference
background
PubMed Identifier
21037432
Citation
Soderstrom MI, Arvela EM, Korhonen M, Halmesmaki KH, Alback AN, Biancari F, Lepantalo MJ, Venermo MA. Infrapopliteal percutaneous transluminal angioplasty versus bypass surgery as first-line strategies in critical leg ischemia: a propensity score analysis. Ann Surg. 2010 Nov;252(5):765-73. doi: 10.1097/SLA.0b013e3181fc3c73.
Results Reference
background
PubMed Identifier
11487672
Citation
Clark TW, Groffsky JL, Soulen MC. Predictors of long-term patency after femoropopliteal angioplasty: results from the STAR registry. J Vasc Interv Radiol. 2001 Aug;12(8):923-33. doi: 10.1016/s1051-0443(07)61570-x.
Results Reference
background
PubMed Identifier
24915582
Citation
Zeller T, Rastan A, Macharzina R, Tepe G, Kaspar M, Chavarria J, Beschorner U, Schwarzwalder U, Schwarz T, Noory E. Drug-coated balloons vs. drug-eluting stents for treatment of long femoropopliteal lesions. J Endovasc Ther. 2014 Jun;21(3):359-68. doi: 10.1583/13-4630MR.1.
Results Reference
background
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Investigating the Safety and Efficacy of the Treatment With Luminor DCB and Angiolite DES of iVascular in TASC C and D Tibial Occlusive Disease in Patients With Critical Limb Ischemia
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