NCT03269942

Brief Summary

The investigator expects that endovascular flow-diversion is superior over revascularization by postoperative modified Rankin scale (mRS) in patients with complex intracranial aneurysms.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
110

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Mar 2015

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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 Start

First participant enrolled

March 14, 2015

Completed
2.5 years until next milestone

First Submitted

Initial submission to the registry

August 29, 2017

Completed
3 days until next milestone

First Posted

Study publicly available on registry

September 1, 2017

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2018

Completed
Last Updated

September 1, 2017

Status Verified

August 1, 2017

Enrollment Period

3.2 years

First QC Date

August 29, 2017

Last Update Submit

August 30, 2017

Conditions

Keywords

Intracranial AneurysmFlow DiverterCerebral Revascularization

Outcome Measures

Primary Outcomes (1)

  • mRS

    Change from baseline modified Rankin Scale

    6, 12 months after procedure

Secondary Outcomes (2)

  • Complete aneurysm occlusion

    6, 12 months after procedure

  • Major stroke (ischemic or hemorrhagic) or neurological death related to the treatment of the target aneurysm

    6, 12 months after procedure

Study Arms (2)

Endovascular Flow-Diversion

ACTIVE COMPARATOR

Implantation of flow-diversion device

Procedure: Endovascular Flow-Diversion

Cerebral Revascularization

ACTIVE COMPARATOR

Cerebral revascularization procedure with trapping of aneurysm

Procedure: Cerebral Revascularization

Interventions

Implantation of flow-diverter in treatment of complex aneurysms of anterior circulation.

Endovascular Flow-Diversion

Cerebral revascularization with trapping of aneurysm in treatment of complex aneurysms of anterior circulation.

Cerebral Revascularization

Eligibility Criteria

AgeUp to 75 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • anterior circulation complex intracranial aneurysm
  • neck is more than 4 mm wide
  • dome/neck ratio of aneurysm equals or less than 2:1
  • age less than 75 years
  • ability to give informed consent (subject or legally authorized representative)
  • aneurysm is suitable for treatment to both procedures

You may not qualify if:

  • subarachnoid hemorrhage less than 30 days ago
  • contraindications to endovascular treatment
  • atypical aneurysms (mycotic, flow-related in patients with AVM, traumatic, false)
  • informed consent refusal

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Novosibirsk Research Institution of Circulation Pathology

Novosibirsk, 630055, Russia

Location

MeSH Terms

Conditions

Intracranial Aneurysm

Interventions

Cerebral Revascularization

Condition Hierarchy (Ancestors)

Intracranial Arterial DiseasesCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesAneurysmVascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

Vascular GraftingVascular Surgical ProceduresCardiovascular Surgical ProceduresSurgical Procedures, OperativeMicrosurgery

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
NETWORK
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 29, 2017

First Posted

September 1, 2017

Study Start

March 14, 2015

Primary Completion

June 1, 2018

Study Completion

June 1, 2018

Last Updated

September 1, 2017

Record last verified: 2017-08

Locations