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General Anesthesia Versus Sedation During Intra-arterial Treatment for Stroke

General Anesthesia Versus Sedation During Intra-arterial Treatment for Stroke

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02822144
Acronym
GASS
Enrollment
351
Registered
2016-07-04
Start date
2016-09-29
Completion date
2020-08-31
Last updated
2023-05-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stroke

Keywords

ischemic stroke, thrombectomy, anesthesia, sedation

Brief summary

In France, the annual incidence rate of acute ischaemic stroke is around 150 000 patients, 65 % of whom keep long-term disability. Several multicentric randomized controlled trials have shown the benefit of a mechanical thrombectomy in the acute phase of ischaemic stroke on functional disability, compared to a medical treatment alone (thrombolysis). The timeliness of revascularisation is an essential factor of good prognosis. This intra-arterial treatment, associated with thrombolysis if applicable, is the reference treatment of large-vessel occlusion. The stillness of the patient is required to control the safety of the recanalization. Currently, either a general anesthesia or a sedation can be performed. Several studies have shown a trend to superiority of the sedation but none was conducted with a high level of proof methodology. The aim of our multicentric randomized controlled trial is to compare sedation and general anesthesia during intra-arterial thrombectomy for an acute ischaemic stroke in the anterior cerebral circulation. The main outcome will be the efficacy on the functional neurological prognosis at 3 months.

Interventions

DRUGEtomidate
DRUGSuccinylcholine
DRUGPropofol
DRUGRemifentanil
DRUGLidocaine

Sponsors

Rennes University Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Age \> 18 years * Body mass index \< or equal to 35 kg/m² , * Indication for thrombectomy, after multidisciplinary consultation, * Proximal artery occlusion in the anterior circulation (internal carotid artery, M1, M2,...), confirmed on imaging (angioscan or angio-MRI), * Written informed consent of the patient or a close / trusted person when possible, or emergency procedure, * Patient affiliated to or beneficiary of an health insurance Non-inclusion Criteria: * Comorbidity committing short-term prognosis, * Hemodynamic instability, * Pregnant woman, * Contra-indication to sedation: pre-existing swallowing impairment; restless patient, not able to stay lying down; Glasgow score \< 8, * Contra-indication to general anesthesia, * Intubated patient at inclusion, * Additional intracerebral hemorrhage, * Sign of occlusion in a different cerebral territory, * Known contra-indication to succinylcholine: hypersensitivity, hyperkaliemia, * Known contra-indication to one of the anesthesic agents, * Patient participating in another clinical trial, possibly interfering with the study procedures, * Patient in a known situation of deprivation of freedom, guardianship or curatorship.

Exclusion criteria

* Patients with deprivation of freedom will be excluded as soon as the investigator will have knowledge of the situation.

Design outcomes

Primary

MeasureTime frame
Score on the modified Rankin scale3 months

Secondary

MeasureTime frameDescription
Quality of recanalization assessed with TICI (Thrombolysis in cerebral infarction) scoreDay 1At the last angiography
NIHSS scoreDay 1
Recanalization delayDay 1Delay between first symptoms and last angiography
Angiographic complications: number of patients wtih dissection, arterial rupture, thrombus in another territoryDay 1
Delay between patient's hospitalization and start of procedureDay 1At the time of puncture
Number of episodes of hypo- / hypertension24 hours after thrombectomy
Number of patients with noradrenaline administration during anesthesiaDay 1
Number of sedations converted to general anesthesia and reasonDay 1
Mortality3 months

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 2, 2026