Trial Outcomes & Findings for Endovascular Recanalization and Standard Medical Management for Symptomatic Nonacute Intracranial Artery Occlusion Trial (NCT NCT04864691)

NCT ID: NCT04864691

Last Updated: 2025-02-18

Results Overview

The primary outcome was a composite of any stroke or death within 30 days after enrollment or ischemic stroke in the territory of the qualifying artery from 30 days to 1 year after enrollment.

Recruitment status

COMPLETED

Study phase

EARLY_PHASE1

Target enrollment

453 participants

Primary outcome timeframe

One year

Results posted on

2025-02-18

Participant Flow

Participant milestones

Participant milestones
Measure
Endovascular Recanalization Plus Standard Medical Treatment
patients with symptomatic non-acute intracranial artery occlusion treated by endovascular recanalization and standard medical treatment after procedure endovascular recanalization: to recanalize the occlusion cerebral artery with intravascular intervention
Standard Medical Treatment
Patients take aspirin 100 mg/day or clopidogrel 75mg/day for the entire follow-up period (EVR patients take aspirin 100 mg/day and clopidogrel 75mg/day for 30-90 days after procedure) endovascular recanalization: to recanalize the occlusion cerebral artery with intravascular intervention
Overall Study
STARTED
154
299
Overall Study
COMPLETED
148
288
Overall Study
NOT COMPLETED
6
11

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

17 patients lost to 1 year follow-up

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Endovascular Recanalization Plus Standard Medical Treatment
n=154 Participants
patients with symptomatic non-acute intracranial artery occlusion treated by endovascular recanalization and standard medical treatment after procedure endovascular recanalization: to recanalize the occlusion cerebral artery with intravascular intervention
Standard Medical Treatment
n=299 Participants
Patients take aspirin 100 mg/day or clopidogrel 75mg/day for the entire follow-up period (EVR patients take aspirin 100 mg/day and clopidogrel 75mg/day for 30-90 days after procedure) endovascular recanalization: to recanalize the occlusion cerebral artery with intravascular intervention
Total
n=453 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=148 Participants • 17 patients lost to 1 year follow-up
0 Participants
n=288 Participants • 17 patients lost to 1 year follow-up
0 Participants
n=436 Participants • 17 patients lost to 1 year follow-up
Age, Categorical
Between 18 and 65 years
113 Participants
n=148 Participants • 17 patients lost to 1 year follow-up
207 Participants
n=288 Participants • 17 patients lost to 1 year follow-up
320 Participants
n=436 Participants • 17 patients lost to 1 year follow-up
Age, Categorical
>=65 years
35 Participants
n=148 Participants • 17 patients lost to 1 year follow-up
81 Participants
n=288 Participants • 17 patients lost to 1 year follow-up
116 Participants
n=436 Participants • 17 patients lost to 1 year follow-up
Age, Continuous
57 years
n=148 Participants • 17 patients lost to 1 year follow-up
58 years
n=288 Participants • 17 patients lost to 1 year follow-up
57 years
n=436 Participants • 17 patients lost to 1 year follow-up
Sex: Female, Male
Female
42 Participants
n=148 Participants • 17 patients lost to 1 year follow-up
72 Participants
n=288 Participants • 17 patients lost to 1 year follow-up
114 Participants
n=436 Participants • 17 patients lost to 1 year follow-up
Sex: Female, Male
Male
106 Participants
n=148 Participants • 17 patients lost to 1 year follow-up
216 Participants
n=288 Participants • 17 patients lost to 1 year follow-up
322 Participants
n=436 Participants • 17 patients lost to 1 year follow-up
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=154 Participants
0 Participants
n=299 Participants
0 Participants
n=453 Participants
Race (NIH/OMB)
Asian
154 Participants
n=154 Participants
299 Participants
n=299 Participants
453 Participants
n=453 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=154 Participants
0 Participants
n=299 Participants
0 Participants
n=453 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=154 Participants
0 Participants
n=299 Participants
0 Participants
n=453 Participants
Race (NIH/OMB)
White
0 Participants
n=154 Participants
0 Participants
n=299 Participants
0 Participants
n=453 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=154 Participants
0 Participants
n=299 Participants
0 Participants
n=453 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=154 Participants
0 Participants
n=299 Participants
0 Participants
n=453 Participants

PRIMARY outcome

Timeframe: One year

The primary outcome was a composite of any stroke or death within 30 days after enrollment or ischemic stroke in the territory of the qualifying artery from 30 days to 1 year after enrollment.

Outcome measures

Outcome measures
Measure
Endovascular Recanalization Plus Standard Medical Treatment
n=148 Participants
patients with symptomatic non-acute intracranial artery occlusion treated by endovascular recanalization and standard medical treatment after procedure endovascular recanalization: to recanalize the occlusion cerebral artery with intravascular intervention
Standard Medical Treatment
n=288 Participants
Patients take aspirin 100 mg/day or clopidogrel 75mg/day for the entire follow-up period (EVR patients take aspirin 100 mg/day and clopidogrel 75mg/day for 30-90 days after procedure) endovascular recanalization: to recanalize the occlusion cerebral artery with intravascular intervention
Primary Outcome
27 Participants
21 Participants

SECONDARY outcome

Timeframe: within 30 days and 90 days in both groups

stroke/ TIA ipsilateral to the target vessel will be defined according to the World

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: t 30 days, 90 days, 8 months, 12 months and 24 months for both groups

to evaluate the change in all-cause mortality, mRS score, NIHSS score and cognitive function in the two groups

Outcome measures

Outcome data not reported

Adverse Events

Endovascular Recanalization Plus Standard Medical Treatment

Serious events: 9 serious events
Other events: 0 other events
Deaths: 7 deaths

Standard Medical Treatment

Serious events: 0 serious events
Other events: 0 other events
Deaths: 5 deaths

Serious adverse events

Serious adverse events
Measure
Endovascular Recanalization Plus Standard Medical Treatment
n=148 participants at risk
patients with symptomatic non-acute intracranial artery occlusion treated by endovascular recanalization and standard medical treatment after procedure endovascular recanalization: to recanalize the occlusion cerebral artery with intravascular intervention
Standard Medical Treatment
n=288 participants at risk
Patients take aspirin 100 mg/day or clopidogrel 75mg/day for the entire follow-up period (EVR patients take aspirin 100 mg/day and clopidogrel 75mg/day for 30-90 days after procedure) endovascular recanalization: to recanalize the occlusion cerebral artery with intravascular intervention
Vascular disorders
Serious Adverse Event
6.1%
9/148 • 1 year
0.00%
0/288 • 1 year

Other adverse events

Adverse event data not reported

Additional Information

Feng Gao

Interventional Neuroradiology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.

Phone: 13581936066

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place