NCT02737189

Brief Summary

Endovascular treatment of acute ischemic stroke has shown strong benefit in several prospective randomized trials in the anterior circulation and endovascular therapy for basilar artery occlusion has shown promising results in several single-arm studies. This has led to a broad adoption of these techniques which are now considered standard of care in many institutions despite the lack of adequate evidence to prove their benefit. Indeed, the rates of symptomatic intracerebral hemorrhage in these studies have consistently been around 5% which raises the question as to whether patients could actually be harmed as opposed to helped by these procedures. This is a prospective, multi-center, randomized, controlled, open, blinded-endpoint trial, with the aim to evaluate the hypothesis that mechanical embolectomy with the Solitaire device is superior to medical management alone in achieving better outcomes in subjects presenting with an acute ischemic stroke caused by occlusion of the basilar artery within 6-24 hours from symptom onset.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
217

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jul 2016

Longer than P75 for not_applicable

Geographic Reach
1 country

36 active sites

Status
completed

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

First Submitted

Initial submission to the registry

March 6, 2016

Completed
1 month until next milestone

First Posted

Study publicly available on registry

April 13, 2016

Completed
3 months until next milestone

Study Start

First participant enrolled

July 1, 2016

Completed
5.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2021

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2022

Completed
Last Updated

July 26, 2024

Status Verified

May 1, 2022

Enrollment Period

5.2 years

First QC Date

March 6, 2016

Last Update Submit

July 25, 2024

Conditions

Keywords

Basilar Artery OcclusionIschemic StrokeMechanical Embolectomy

Outcome Measures

Primary Outcomes (1)

  • proportion of patients achieving favourable outcomes defined as mRS 0-3 at 90 days

    The primary objective of this study is to evaluate the hypothesis that mechanical embolectomy with the Solitaire device is superior to medical management alone in achieving favourable outcomes (mRS ≤ 3) at 90 days in subjects presenting with an acute ischemic stroke caused by occlusion of the basilar artery within 6-24 hours from symptom onset.

    90 days

Secondary Outcomes (15)

  • Dramatic early favorable response

    24 (-2/+12) hours

  • Dichotomized mRS score (0-2 versus 3-6 and 0-4 versus 5-6 )

    90 days

  • Proportion of patients achieving meaningful outcomes defined as mRS 0-4 at 12 months.

    12 months

  • Final infarct volume and the change of infarct volume compared with baseline

    24 hours (-2/+12 hours)

  • Vessel recanalization with Arterial Occlusive Lesion (AOL) grades

    24 hours (-2/+12 hours)

  • +10 more secondary outcomes

Study Arms (2)

Endovascular Arm

EXPERIMENTAL

Mechanical embolectomy with Solitaire stentriever in conjunction with manual aspiration Best Medical Treatment and maximum supportive care

Procedure: Mechanical embolectomyDrug: Medical Treatment

Control Arm

OTHER

Best Medical Treatment and maximum supportive care, not including mechanical thrombectomy, no intra arterial treatment

Drug: Medical Treatment

Interventions

Mechanical embolectomy with Solitaire stentriever in conjunction with manual aspiration

Endovascular Arm

Best Medical Treatment and maximum supportive care, not including mechanical thrombectomy, no intra arterial treatment

Control ArmEndovascular Arm

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Posterior circulation AIS within 6-24 hours from symptom onset/last seen well where patient is ineligible for i.v. thrombolytic treatment, or patient has received i.v. thrombolytic therapy without recanalization.
  • Occlusion (Thrombolysis in Myocardial Infarction, TIMI 0-1) of the basilar artery or intracranial segments of both vertebral arteries as evidenced by computed tomography (CT) angiography, magnetic resonance (MR) angiography or angiogram.
  • Age ≥18 and ≤80 years.
  • Baseline National Institutes of Health Stroke Scale (NIHSS) score obtained prior to randomization must be equal to or higher than 6 points.
  • No significant pre-stroke functional disability (modified Rankin Scale, mRS ≤ 1).
  • Patient treatable within 24 hours from time last seen well. Isolated vertigo with nausea and/or vomiting is not considered onset of symptom.
  • Informed consent obtained from patient or acceptable patient surrogate.

You may not qualify if:

  • Known hemorrhagic diathesis, coagulation factor deficiency, or oral anticoagulant therapy with international normalized ratio \> 3.0.
  • Baseline platelet count \< 50.000/µL.
  • Baseline blood glucose \< 50mg/dL or \> 400mg/dL.
  • Severe, sustained hypertension (systolic blood pressure \> 220 mm Hg or diastolic blood pressure \> 110 mm Hg).
  • Patients in sedation and/or intubated patients could not be included if baseline NIHSS is not obtained by a neurologist or emergency physician prior to sedation or intubation.
  • Seizures at stroke onset which would preclude obtaining a baseline NIHSS.
  • Serious, advanced, or terminal illness with anticipated life expectancy of less than one year.
  • History of life threatening allergy (more than rash) to contrast medium
  • Subjects who has received i.v. tissue plasminogen activator (t-PA) treatment beyond 4.5 hours from the beginning of the symptoms.
  • Patients with acute stroke within the first 48 hours after percutaneous cardiac, cerebrovascular interventions and major surgery (beyond 48h they should be randomized in BAOCHE or excluded for endovascular treatment if poor medical conditions).
  • Renal insufficiency with creatinine ≥ 3 mg/dl.
  • Woman of childbearing potential who is known to be pregnant or lactating or who has a positive pregnancy test on admission.
  • Subject participating in a study involving an investigational drug or device that would impact this study.
  • Cerebral vasculitis.
  • Patients with a pre-existing neurological or psychiatric disease that would confound the neurological or functional evaluations; mRS score at baseline must be ≤ 1.
  • +8 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (36)

Baotou Central Hospital

Baotou, China

Location

Beijing Luhe Hospital

Beijing, China

Location

Beijing Tiantan Hospital

Beijing, China

Location

The Military General Hospital of Beijing, PLA

Beijing, China

Location

Xuanwu Hospital

Beijing, China

Location

The First People's Hospital of Changzhou

Changzhou, China

Location

Chongqing Three Gorges Central Hospital

Chongqing, China

Location

Xinqiao Hospital of Chongqing

Chongqing, China

Location

Shengli Oilfield Hospital

Dongying, China

Location

The Affiliated Hospital Of Guizhou Medical University

Guiyang, China

Location

First Hospital of Jilin University

Jilin, China

Location

Liaocheng Third People's Hospital

Liaocheng, China

Location

Linyi People's Hospital

Linyi, China

Location

Luoyang Central Hospital

Luoyang, China

Location

Nanjing First People's Hospital

Nanjing, China

Location

The First Affiliated Hospital with Nanjing Medical University

Nanjing, China

Location

Nanning Second People's Hospital

Nanning, China

Location

Nantong University

Nantong, China

Location

Nanyang Central Hospital

Nanyang, China

Location

Changhai Hospital

Shanghai, China

Location

Shenzhen Bao'an District People's Hospital

Shenzhen, China

Location

Hebei General Hospital

Shijiazhuang, China

Location

Second Affiliated Hospital of Soochow University

Suzhou, China

Location

PLA 264 Hospital

Taiyuan, China

Location

The First Affiliated Hospital of Shanxi Medical University

Taiyuan, China

Location

Peking University Binhai Hospital

Tianjin, China

Location

The Fifth Central Hospital of Tianjin

Tianjin, China

Location

Tianjin Huanhu Hospital

Tianjin, China

Location

Tianjin TEDA Hospital

Tianjin, China

Location

The 101st Hospital of Chinese People's Liberation Army

Wuxi, China

Location

The Affiliated Hospital of Northwest University, Xi'an NO.3 Hospital

Xi'an, China

Location

Subei People's Hospital of Jiangsu Province

Yangzhou, China

Location

Yantaishan Hospital

Yantai, China

Location

Zhangzhou Municipal Hospital of Fujian Province

Zhangzhou, China

Location

Henan Provincial Hospital

Zhengzhou, China

Location

PLA 148 Hospital

Zibo, China

Location

Related Publications (24)

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    PMID: 26510778BACKGROUND
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    PMID: 23746901BACKGROUND
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    PMID: 26574535BACKGROUND
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    PMID: 26600793BACKGROUND
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    PMID: 26279662BACKGROUND
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  • von Kummer R, Broderick JP, Campbell BC, Demchuk A, Goyal M, Hill MD, Treurniet KM, Majoie CB, Marquering HA, Mazya MV, San Roman L, Saver JL, Strbian D, Whiteley W, Hacke W. The Heidelberg Bleeding Classification: Classification of Bleeding Events After Ischemic Stroke and Reperfusion Therapy. Stroke. 2015 Oct;46(10):2981-6. doi: 10.1161/STROKEAHA.115.010049. Epub 2015 Sep 1. No abstract available.

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  • Writing Group for the BASILAR Group; Zi W, Qiu Z, Wu D, Li F, Liu H, Liu W, Huang W, Shi Z, Bai Y, Liu Z, Wang L, Yang S, Pu J, Wen C, Wang S, Zhu Q, Chen W, Yin C, Lin M, Qi L, Zhong Y, Wang Z, Wu W, Chen H, Yao X, Xiong F, Zeng G, Zhou Z, Wu Z, Wan Y, Peng H, Li B, Hu X, Wen H, Zhong W, Wang L, Jin P, Guo F, Han J, Fu X, Ai Z, Tian X, Feng X, Sun B, Huang Z, Li W, Zhou P, Tu M, Sun X, Li H, He W, Qiu T, Yuan Z, Yue C, Yang J, Luo W, Gong Z, Shuai J, Nogueira RG, Yang Q. Assessment of Endovascular Treatment for Acute Basilar Artery Occlusion via a Nationwide Prospective Registry. JAMA Neurol. 2020 May 1;77(5):561-573. doi: 10.1001/jamaneurol.2020.0156.

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  • Jovin TG, Li C, Wu L, Wu C, Chen J, Jiang C, Shi Z, Gao Z, Song C, Chen W, Peng Y, Yao C, Wei M, Li T, Wei L, Xiao G, Yang H, Ren M, Duan J, Liu X, Yang Q, Liu Y, Zhu Q, Shi W, Zhu Q, Li X, Guo Z, Yang Q, Hou C, Zhao W, Ma Q, Zhang Y, Jiao L, Zhang H, Liebeskind DS, Liang H, Jadhav AP, Wen C, Brown S, Zhu L, Ye H, Ribo M, Chang M, Song H, Chen J, Ji X; BAOCHE Investigators. Trial of Thrombectomy 6 to 24 Hours after Stroke Due to Basilar-Artery Occlusion. N Engl J Med. 2022 Oct 13;387(15):1373-1384. doi: 10.1056/NEJMoa2207576.

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MeSH Terms

Conditions

Ischemic StrokeCerebrovascular Disorders

Condition Hierarchy (Ancestors)

StrokeBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular Diseases

Study Officials

  • Xunming Ji, MD

    Xuanwu Hospital, Beijing

    PRINCIPAL INVESTIGATOR
  • Tudor G Jovin, MD

    University of Pittsburg Medical Center Stroke

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 6, 2016

First Posted

April 13, 2016

Study Start

July 1, 2016

Primary Completion

September 1, 2021

Study Completion

June 1, 2022

Last Updated

July 26, 2024

Record last verified: 2022-05

Locations