NCT05620095

Brief Summary

This study is a multicenter observational study designed to evaluate the the effectiveness and safety of drug-coated balloon (DCB) angioplasty for below the knee arterial lesions in patients critical with Limb Threatening Ischemia (CLTI).

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,000

participants targeted

Target at P75+ for all trials

Timeline
6mo left

Started Dec 2020

Longer than P75 for all trials

Geographic Reach
1 country

10 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress92%
Dec 2020Nov 2026

Study Start

First participant enrolled

December 1, 2020

Completed
1.9 years until next milestone

First Submitted

Initial submission to the registry

November 9, 2022

Completed
8 days until next milestone

First Posted

Study publicly available on registry

November 17, 2022

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2025

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2026

Expected
Last Updated

March 25, 2026

Status Verified

January 1, 2026

Enrollment Period

4.9 years

First QC Date

November 9, 2022

Last Update Submit

March 20, 2026

Conditions

Keywords

Drug-coated BalloonAngioplastyBelow the knee

Outcome Measures

Primary Outcomes (2)

  • Primary sustained clinical improvement at 12 months post-procedure

    Primary sustained clinical improvement was defined as an upward shift on the Rutherford classification (Appendix) to a level of intermittent claudication without the need for repeated TLR in surviving patients without the need for unplanned amputation.

    12 months

  • Freedom of major limb adverse events at 12 months post-procedure

    Major limb adverse events were defined as the composite of clinically-driven target lesion revascularization (CD-TLR); unplanned, unavoidable major amputation of the index limb; and treatment caused death.

    12 months

Secondary Outcomes (9)

  • Patency of the target lesions at 1 month, 3 months, 6 months and 12 months post-interventional

    1 month, 3 months, 6 months, 12 months

  • Procedural success rate

    72 hours

  • Vascular quality of life questionnaire(VascuQol)

    1 month, 3 months, 6 months, 12 months

  • Wound healing rate

    1 month, 3 months, 6 months, 12 months

  • Freedom from clinically-driven target lesion revascularization(CD-TLR) rate at 1 month, 3 months, 6 months, 12 months post-procedure.

    1 month, 3 months, 6 months, 12 months

  • +4 more secondary outcomes

Interventions

To evaluate the effectiveness and safety of drug-coated balloon angioplasty for infrapopliteal artery lesions in patients with CLTI.

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients suffered with Chronic Limb Theratening Ischemia and with significant infrapopliteal artery lesions.

You may qualify if:

  • Rutherford grade 4-6.
  • Patients who understand the purpose of this study, volunteer to participate in the experiment, sign informed consent and are willing to follow up.
  • Single or sequential de novo or restenotic lesions (stenosis ≥ 70% diameter reduction or occlusion) in the infrapopliteal arteries \>20 mm. Lesions should not extend beyond the ankle joint.
  • Successful wire crossing of the lesion. After the pre-dilation of the ordinary balloon, the angiography showed that there was continuous blood flow.
  • At least one of the infrapopliteal arteries received a drug-coated balloon.
  • For patients with aortoiliac artery disease and femoral-popliteal artery disease, after intravascular reconstruction, blood flow can be recanalized, and there is no residual stenosis of more than 50%.
  • In patients with lower extremity arterial thrombosis, after mechanical thrombectomy, percutaneous catheter thrombolysis, and thrombus removal, patients receiving blew the knee arterial drug balloon intervention.
  • Patients who have received DCB intervention for both lower limbs can be enrolled in the group according to the intracavitary treatment time.
  • Life expectancy\> 24 months.

You may not qualify if:

  • Blood flow was not successfully reestablished.
  • Patients with stroke, cerebral hemorrhage, gastrointestinal hemorrhage or myocardial infarction within 3 months before enrollment.
  • Patients who are known to be allergic to heparin, aspirin, other antiplatelet drugs, contrast agents, etc.
  • Patients who have participated in clinical trials of drugs or other medical devices that interfere with this clinical trial within the past 3 months.
  • Pregnant and lactating women.
  • Patients with Berg's disease.
  • Patients requiring major amputation based on preoperative evaluation of limb infection or severe ischemia

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

Xuanwu Hospital Capital Medical University

Beijing, Beijing Municipality, China

RECRUITING

Zibo Feng

Wuhan, Hubei, 430000, China

RECRUITING

the second Affiliated Hospital of Medical College of Suzhou University

Suzhou, Jiangsu, China

RECRUITING

Qingdao Haici hospital affiliated to Qingdao University

Qingdao, Shandong, China

RECRUITING

Huashan Hospital, Fudan University

Shanghai, Shanghai Municipality, China

RECRUITING

Renji Hospital of Shanghai Jiaotong University

Shanghai, Shanghai Municipality, China

RECRUITING

Zhongshan Hospital of Fudan University

Shanghai, Shanghai Municipality, China

RECRUITING

Hospital of Chengdu University of Traditional Chinese Medicine

Chengdu, Sichuan, China

RECRUITING

Hangzhou First People's hospital of Medical College of Zhejiang University

Hangzhou, Zhejiang, China

RECRUITING

the First Affiliated hospital of Medicine College of Zhejiang University

Hangzhou, Zhejiang, China

RECRUITING

MeSH Terms

Conditions

ArteriosclerosisPeripheral Arterial DiseaseChronic Limb-Threatening Ischemia

Condition Hierarchy (Ancestors)

Arterial Occlusive DiseasesVascular DiseasesCardiovascular DiseasesAtherosclerosisPeripheral Vascular DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsIschemia

Study Officials

  • Zibo Feng

    Liyuan Hospital of Tongji Medical College, Huazhong University of Science and Technology

    PRINCIPAL INVESTIGATOR
  • Lianrui Guo

    Xuanwu Hospital, Beijing

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
OTHER
Target Duration
1 Year
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director of Vascular Surgery, Liyuan Hospital

Study Record Dates

First Submitted

November 9, 2022

First Posted

November 17, 2022

Study Start

December 1, 2020

Primary Completion

November 1, 2025

Study Completion (Estimated)

November 1, 2026

Last Updated

March 25, 2026

Record last verified: 2026-01

Data Sharing

IPD Sharing
Will not share

Locations