NCT06683300

Brief Summary

This is a prospective, multi-center, registry study exploring the duration of dual antiplatelet therapy (DAPT) after drug-eluting stent(DES) treatment of symptomatic vertebral artery atherosclerotic stenosis. The trial will be conducted in approximately 30 interventional neurology centers in China. Currently, there is no consensus regarding the duration of DAPT after drug-eluting stent treatment for vertebral artery stenosis(VAS). The objective of this study is to standardize clinical medication by shortening the duration of DAPT, thereby reducing the bleeding risk and medication burden for patients, while ensuring that there is no increase in ischemic events.

Trial Health

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Trial Health Score

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

Enrollment
520

participants targeted

Target at P75+ for all trials

Timeline
7mo left

Started Nov 2024

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
not yet recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress73%
Nov 2024Dec 2026

Study Start

First participant enrolled

November 1, 2024

Completed
4 days until next milestone

First Submitted

Initial submission to the registry

November 5, 2024

Completed
7 days until next milestone

First Posted

Study publicly available on registry

November 12, 2024

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Last Updated

November 12, 2024

Status Verified

September 1, 2024

Enrollment Period

2.1 years

First QC Date

November 5, 2024

Last Update Submit

November 8, 2024

Conditions

Keywords

vertebral artery stentdual antiplatelet durationsymptomatic vertebral artery atherosclerotic stenosis

Outcome Measures

Primary Outcomes (1)

  • Occurrence of ischemic stroke in the territory of the target artery within 1 year

    The primary endpoint was defined as occurrence of ischemic stroke events in the target arterial territory, excluding transient ischemic attacks.

    12 months after stent implantation

Secondary Outcomes (10)

  • Occurrence of Periprocedural events

    within 30 days after stent implantation

  • Occurrence of Bleeding Events within 1 year

    12 months after stent implantation

  • Occurrence of TIA events related to the target territory within 1 year

    12 months after stent implantation

  • Occurrence of disabling and fatal stroke events within 1 year

    12 months after stent implantation

  • AEs and SAEs

    in 12 months

  • +5 more secondary outcomes

Study Arms (1)

3 months DAPT

dual antiplatelet therapy (DAPT) for 3 months

Drug: DAPT for 3 months after vertebral artery stenting

Interventions

After implantation of a drug-eluting stent in the vertebral artery, dual antiplatelet therapy (DAPT) were administered for 3 months. The types of antiplatelet medications are not limited, with the standard regimen consisting of aspirin 100 mg once daily combined with either clopidogrel 75 mg once daily or ticagrelor 90 mg twice daily. Additional antiplatelet agents such as indobufen may also be considered acceptable.

3 months DAPT

Eligibility Criteria

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

Patients with symptomatic vertebral atherosclerotic stenosis who met the indications for the placement of drug-eluting vertebral artery stents.

You may qualify if:

  • Age ≥18 years old, gender unlimited;
  • Based on clinical and imaging evidence, the investigators identified patients with symptomatic vertebral atherosclerotic stenosis who met the indications for the placement of drug-eluting vertebral artery stents;
  • Patients or their guardians sign informed consent.

You may not qualify if:

  • Severe coagulation dysfunction, serious uncontrolled infection, serious systemic disease, uncontrolled hypertension, etc., are not suitable for surgery;
  • Patients with aneurysms that cannot be treated in advance or at the same time or are not suitable for surgery;
  • Myocardial infarction or large-scale cerebral infarction occurred within 2 weeks;
  • Combined with atrial fibrillation, or accompanied by serious heart, liver, kidney and lung diseases;
  • Interventional or surgical procedures are planned within 90 days;
  • Known contraindications to heparin, rapamycin, anesthesia and contrast agents;
  • Life expectancy is less than 12 months;
  • The researcher considers it inappropriate to participate in this study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Beijing Tiantan Hospital

Beijing, China

Location

MeSH Terms

Conditions

Vertebrobasilar Insufficiency

Interventions

2'-deoxythymidylyl-(3'-5')-2'-deoxyadenosine

Condition Hierarchy (Ancestors)

Brain IschemiaCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
1 Year
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 5, 2024

First Posted

November 12, 2024

Study Start

November 1, 2024

Primary Completion (Estimated)

December 1, 2026

Study Completion (Estimated)

December 1, 2026

Last Updated

November 12, 2024

Record last verified: 2024-09

Data Sharing

IPD Sharing
Will share

Locations