NCT06601127

Brief Summary

This study is designed to evaluate efficacy and safety of tiprogrel in the treatment of patients with acute ischemic cerebrovascular events.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
600

participants targeted

Target at P75+ for phase_2

Timeline
1mo left

Started Feb 2025

Shorter than P25 for phase_2

Geographic Reach
1 country

2 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 Progress95%
Feb 2025Jun 2026

First Submitted

Initial submission to the registry

September 2, 2024

Completed
17 days until next milestone

First Posted

Study publicly available on registry

September 19, 2024

Completed
5 months until next milestone

Study Start

First participant enrolled

February 21, 2025

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2026

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2026

Expected
Last Updated

March 7, 2025

Status Verified

March 1, 2025

Enrollment Period

1.1 years

First QC Date

September 2, 2024

Last Update Submit

March 5, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Percent of participants with ischemic stroke

    Participants with ischemic stroke

    on the 90th day after treatment

Secondary Outcomes (9)

  • Percent of participants with ischemic Stroke

    on the 21th day after treatment

  • Percent of participants with serve composite ischemic events: nonfatal ischemic strokes, nonfatal myocardial infarction or death from ischemic vascular causes

    on the 21th and 90th day after treatment

  • Percent of participants with nonfatal ischemic strokes

    on the 21th and 90th day after treatment

  • Percent of participants with nonfatal myocardial infarction

    on the 21th and 90th day after treatment

  • Percent of participants with death from ischemic vascular events

    on the 21th and 90th day after treatment

  • +4 more secondary outcomes

Other Outcomes (15)

  • Percent of participants with severe bleeding (BARC3c and BARC 5)

    on the 21th and 90th day after treatment

  • Percent of participants with mild bleeding (other than BARC3c and BARC 5)

    on the 21th and 90th day after treatment

  • Percent of participants with major bleeding (ISTH criteria)

    on the 21th and 90th day after treatment

  • +12 more other outcomes

Study Arms (3)

Low-dose Tiprogrel group

EXPERIMENTAL

Drug: Tiprogrel and Aspirin Day 1, loading dose of tiprogrel and loading dose of aspirin; Day 2-90, daily maintenance dose of tiprogrel and daily maintenance dose of aspirin.

Drug: Tiprogrel

High-dose Tiprogrel group

EXPERIMENTAL

Drug: Tiprogrel and Aspirin Day 1, loading dose of tiprogrel and loading dose of aspirin; Day 2-90, daily maintenance dose of tiprogrel and daily maintenance dose of aspirin.

Drug: Tiprogrel

Clopidogrel group

ACTIVE COMPARATOR

Drug: Clopidogrel and Aspirin Day 1, loading dose of Clopidogrel and loading dose of aspirin; Day 2-21, daily maintenance dose of Clopidogrel and daily maintenance dose of aspirin; D22-90: daily maintenance dose of Clopidogrel.

Drug: Clopidogrel

Interventions

Day 1, loading dose of tiprogrel and loading dose of aspirin; Day 2-90, daily maintenance dose of tiprogrel and daily maintenance dose of aspirin.

Low-dose Tiprogrel group

Day 1, loading dose of Clopidogrel and loading dose of aspirin; Day 2-21, daily maintenance dose of Clopidogrel and daily maintenance dose of aspirin; D22-90: daily maintenance dose of Clopidogrel.

Clopidogrel group

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥ 40 years
  • Acute Minor Ischaemic Stroke:AIS is defined as acute onset of neurological deficit attributed to focal brain ischaemia, NIHSS ≤5, and either of the following imaging characteristics:
  • Acute single infarction with ≥50% stenosis of a major intracranial or extracranial artery.
  • Acute multiple infarctions attributed to large-artery atherosclerosis, including non-stenotic vulnerable plaques.
  • TIA with high risk of stroke: ABCD2 score ≥ 6 at the time of randomization, and the following imaging characteristic:

You may not qualify if:

  • Bleeding or other pathological brain disorders including malformation, tumor, abscess or other major non-ischemic brain disease on baseline head CT or MRI
  • Isolated or pure sensory symptoms, isolated visual changes, or isolated dizziness/vertigo without evidence of acute infarction on baseline head CT or MRI.
  • Preceding mRS\> 2
  • Contraindication to anti-platelet therapy
  • Clear indication for anticoagulation
  • Two or more antiplatelet drugs have been used continuously for ≥3 days before enrollment.
  • Used heparin or oral anticoagulant drugs within 10 days before enrollment
  • Undergone intravenous or arterial thrombolysis and mechanical thrombectomy within 24 hours before enrollment
  • History of intracranial hemorrhage or amyloid angiopathy
  • History of aneurysm
  • Diagnosis or suspicious diagnosis of acute coronary syndrome
  • History of asthma
  • High-risk for bradyarrhythmia
  • Anticipated requirement for long-term (\>5 days) non-steroidal anti-inflammatory drugs or NSAIDs within the 8th day of randomization
  • History of gastrointestinal bleeding within 3 months before enrollment or major surgery within 30 days
  • +10 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Central Hospital Affiliated to Shenyang Medical College

Shenyang, Liaoning, China

RECRUITING

Beijing Tiantan Hosptial, Capital Medical University

Beijing, China

NOT YET RECRUITING

MeSH Terms

Conditions

Ischemic Stroke

Interventions

Clopidogrel

Condition Hierarchy (Ancestors)

StrokeCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

TiclopidineThienopyridinesThiophenesSulfur CompoundsOrganic ChemicalsPyridinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 2, 2024

First Posted

September 19, 2024

Study Start

February 21, 2025

Primary Completion

April 1, 2026

Study Completion (Estimated)

June 1, 2026

Last Updated

March 7, 2025

Record last verified: 2025-03

Data Sharing

IPD Sharing
Will not share

Locations