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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03229148
Other study ID # CHU-343
Secondary ID 2017-0303001-90
Status Completed
Phase N/A
First received
Last updated
Start date August 31, 2017
Est. completion date June 30, 2020

Study information

Verified date July 2020
Source University Hospital, Clermont-Ferrand
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Objective of the study: to assess whether pharmacological sedation or general anesthesia for treatment of anterior circulation ischemic stroke with endovascular mechanical thrombectomy is associated with difference in morbidity (neurological outcome and peri-procedural complications).


Description:

Since 2015, the management of anterior acute ischemic stroke (AIS) involves endovascular treatment with mechanical thrombectomy (MT). This urgent, difficult and uncomfortable procedure in frail patients requires multidisciplinary care ideally involving neurologists, interventional neuroradiologists and anesthesiologists.

Two anesthetic strategies are currently used: pharmacologic sedation in spontaneous ventilation or general anesthesia with tracheal intubation. General anesthesia provides strict immobility, protects the airway and avoids emergency intubation in case of severe procedural complication (notably vomiting and aspiration). Sedation is a frequently used alternative because of (1) a rapid execution which could reduce delay to reperfusion, (2) a lower risk of blood pressure drop that may compromise cerebral blood flow in the penumbra area, (3) the theoretical capacity to assess neurological status during the procedure and (4) the supposed risk of complications associated with mechanical ventilation and intravenous anesthestics on brain metabolism. Nevertheless, sedation exposes to dramatic complications in case of patient agitation and movements.

The choice of the ideal anesthesic management is still lacking. Old retrospective studies seemed to favor sedation with worst neurological outcome associated with general anesthesia. Nevertheless, these datas suffered methodological issues with selection bias: more severe patients based on NIHSS score were rather treated with general anesthesia and blood pressure was not controlled. Recent studies that demonstrated the benefit of MT did not include a specific anesthetic protocol and none of the studies currently available included a blood pressure management protocol that appears to be an essential component of cerebral perfusion. A subgroup analysis of the MR Clean study, including patients with an identical initial NIHSS score, did not find benefit from MT in patients with general anesthesia compared to those receiving sedation. Finally, authors concluded that performing a MT under general anesthesia would significantly lengthen the reperfusion delay and nullify the benefit of MT.

The prospective, randomized, single-center SIESTA trial, conducted in 150 patients with an anterior circulation AIS, found no difference in the early neurological improvement (primary endpoint), assessed on the change in NIHSS score between admission and the 24th hour, between the conscious sedation group and the general anesthesia group. There were a tendency for a better 3-month neurological outcome in the general anesthesia group (37% vs 18% of patients with a Modified Rankin score of 0-2 in the general anesthesia and conscious sedation groups respectively), but it was not possible to conclude due to a lack of statistical power.

Due to the increasing number of patients eligible for endovascular MT and the potential implication of these two anesthetic management on the functional outcome, a study comparing general anesthesia and sedation during a MT seems essential as specified in the recent updated American Stroke Association guidelines.

The objective of this study is to assess whether sedation or general anesthesia during endovascular treatment with mechanical thrombectomy is associated with a difference in morbidity (neurological outcome and peri-procedural complications), in anterior circulation AIS.


Recruitment information / eligibility

Status Completed
Enrollment 332
Est. completion date June 30, 2020
Est. primary completion date May 13, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Acute anterior circulation ischemic stroke (terminal portion of the internal carotid artery, middle cerebral artery), with indication for radiological mechanical thrombectomy assessed by the neurology / neuroradiology team

- Over 18 years of age

- Benefiting from an affiliation to the French Social Security system

- Patient or familly informed consent. In case of patient incapacity and no family present, and due to the emergency of the procedure, the patient may be included on the sole decision of the investigator (emergency procedure with subsequent differed consent).

Exclusion Criteria:

- Altered vigilance defined by score = 2 at item 1a "level of consciousness" of the NIHSS score

- Altered previous autonomy, defined by a modified Rankin score (mRS)> 1

- Acute ischemic stroke of posterior circulation or anterior cerebral artery

- Associated brain haemorrhage

- Pregnant or nursing women

- Patient under law protection

- Stroke complicating another acute illness or postoperative stroke.

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
General anaesthesia
Procedure in which patients are induced into an unconscious state through use of various medications so that they do not feel pain during surgery
Conscious Sedation
A drug-induced depression of consciousness during which patients respond purposefully to verbal commands, either alone or accompanied by light tactile stimulation. No interventions are required to maintain a patent airway. (From: American Society of Anesthesiologists Practice Guidelines)

Locations

Country Name City State
France CHU de Clermont-Ferrand Clermont-Ferrand Auvergne

Sponsors (2)

Lead Sponsor Collaborator
University Hospital, Clermont-Ferrand Direction Générale de l'Offre de Soins

Country where clinical trial is conducted

France, 

References & Publications (8)

Berkhemer OA, Fransen PS, Beumer D, van den Berg LA, Lingsma HF, Yoo AJ, Schonewille WJ, Vos JA, Nederkoorn PJ, Wermer MJ, van Walderveen MA, Staals J, Hofmeijer J, van Oostayen JA, Lycklama à Nijeholt GJ, Boiten J, Brouwer PA, Emmer BJ, de Bruijn SF, van Dijk LC, Kappelle LJ, Lo RH, van Dijk EJ, de Vries J, de Kort PL, van Rooij WJ, van den Berg JS, van Hasselt BA, Aerden LA, Dallinga RJ, Visser MC, Bot JC, Vroomen PC, Eshghi O, Schreuder TH, Heijboer RJ, Keizer K, Tielbeek AV, den Hertog HM, Gerrits DG, van den Berg-Vos RM, Karas GB, Steyerberg EW, Flach HZ, Marquering HA, Sprengers ME, Jenniskens SF, Beenen LF, van den Berg R, Koudstaal PJ, van Zwam WH, Roos YB, van der Lugt A, van Oostenbrugge RJ, Majoie CB, Dippel DW; MR CLEAN Investigators. A randomized trial of intraarterial treatment for acute ischemic stroke. N Engl J Med. 2015 Jan 1;372(1):11-20. doi: 10.1056/NEJMoa1411587. Epub 2014 Dec 17. Erratum in: N Engl J Med. 2015 Jan 22;372(4):394. — View Citation

Berkhemer OA, van den Berg LA, Fransen PS, Beumer D, Yoo AJ, Lingsma HF, Schonewille WJ, van den Berg R, Wermer MJ, Boiten J, Lycklama À Nijeholt GJ, Nederkoorn PJ, Hollmann MW, van Zwam WH, van der Lugt A, van Oostenbrugge RJ, Majoie CB, Dippel DW, Roos YB; MR CLEAN investigators. The effect of anesthetic management during intra-arterial therapy for acute stroke in MR CLEAN. Neurology. 2016 Aug 16;87(7):656-64. doi: 10.1212/WNL.0000000000002976. Epub 2016 Jul 15. — View Citation

Campbell BC, Mitchell PJ, Kleinig TJ, Dewey HM, Churilov L, Yassi N, Yan B, Dowling RJ, Parsons MW, Oxley TJ, Wu TY, Brooks M, Simpson MA, Miteff F, Levi CR, Krause M, Harrington TJ, Faulder KC, Steinfort BS, Priglinger M, Ang T, Scroop R, Barber PA, McGuinness B, Wijeratne T, Phan TG, Chong W, Chandra RV, Bladin CF, Badve M, Rice H, de Villiers L, Ma H, Desmond PM, Donnan GA, Davis SM; EXTEND-IA Investigators. Endovascular therapy for ischemic stroke with perfusion-imaging selection. N Engl J Med. 2015 Mar 12;372(11):1009-18. doi: 10.1056/NEJMoa1414792. Epub 2015 Feb 11. — View Citation

Goyal M, Demchuk AM, Menon BK, Eesa M, Rempel JL, Thornton J, Roy D, Jovin TG, Willinsky RA, Sapkota BL, Dowlatshahi D, Frei DF, Kamal NR, Montanera WJ, Poppe AY, Ryckborst KJ, Silver FL, Shuaib A, Tampieri D, Williams D, Bang OY, Baxter BW, Burns PA, Choe H, Heo JH, Holmstedt CA, Jankowitz B, Kelly M, Linares G, Mandzia JL, Shankar J, Sohn SI, Swartz RH, Barber PA, Coutts SB, Smith EE, Morrish WF, Weill A, Subramaniam S, Mitha AP, Wong JH, Lowerison MW, Sajobi TT, Hill MD; ESCAPE Trial Investigators. Randomized assessment of rapid endovascular treatment of ischemic stroke. N Engl J Med. 2015 Mar 12;372(11):1019-30. doi: 10.1056/NEJMoa1414905. Epub 2015 Feb 11. — View Citation

Jovin TG, Chamorro A, Cobo E, de Miquel MA, Molina CA, Rovira A, San Román L, Serena J, Abilleira S, Ribó M, Millán M, Urra X, Cardona P, López-Cancio E, Tomasello A, Castaño C, Blasco J, Aja L, Dorado L, Quesada H, Rubiera M, Hernandez-Pérez M, Goyal M, Demchuk AM, von Kummer R, Gallofré M, Dávalos A; REVASCAT Trial Investigators. Thrombectomy within 8 hours after symptom onset in ischemic stroke. N Engl J Med. 2015 Jun 11;372(24):2296-306. doi: 10.1056/NEJMoa1503780. Epub 2015 Apr 17. — View Citation

Powers WJ, Derdeyn CP, Biller J, Coffey CS, Hoh BL, Jauch EC, Johnston KC, Johnston SC, Khalessi AA, Kidwell CS, Meschia JF, Ovbiagele B, Yavagal DR; American Heart Association Stroke Council. 2015 American Heart Association/American Stroke Association Focused Update of the 2013 Guidelines for the Early Management of Patients With Acute Ischemic Stroke Regarding Endovascular Treatment: A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association. Stroke. 2015 Oct;46(10):3020-35. doi: 10.1161/STR.0000000000000074. Epub 2015 Jun 29. — View Citation

Saver JL, Goyal M, Bonafe A, Diener HC, Levy EI, Pereira VM, Albers GW, Cognard C, Cohen DJ, Hacke W, Jansen O, Jovin TG, Mattle HP, Nogueira RG, Siddiqui AH, Yavagal DR, Baxter BW, Devlin TG, Lopes DK, Reddy VK, du Mesnil de Rochemont R, Singer OC, Jahan R; SWIFT PRIME Investigators. Stent-retriever thrombectomy after intravenous t-PA vs. t-PA alone in stroke. N Engl J Med. 2015 Jun 11;372(24):2285-95. doi: 10.1056/NEJMoa1415061. Epub 2015 Apr 17. — View Citation

Schönenberger S, Uhlmann L, Hacke W, Schieber S, Mundiyanapurath S, Purrucker JC, Nagel S, Klose C, Pfaff J, Bendszus M, Ringleb PA, Kieser M, Möhlenbruch MA, Bösel J. Effect of Conscious Sedation vs General Anesthesia on Early Neurological Improvement Among Patients With Ischemic Stroke Undergoing Endovascular Thrombectomy: A Randomized Clinical Trial. JAMA. 2016 Nov 15;316(19):1986-1996. doi: 10.1001/jama.2016.16623. Erratum in: JAMA. 2017 Feb 7;317(5):538. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary composite of functional independence at 3 months and absence of medical complication occurring by day 7 after endovascular therapy for anterior circulation AIS The primary outcome measure is a composite of functional independence at 3 months and absence of medical complication occurring by day 7 after endovascular therapy for anterior circulation AIS. Functional independence is defined as a mRS score 0 to 2 by day 90. Medical complications are defined as intervention-associated arterial perforation or dissection, pneumonia or myocardial infarction or acute cardiogenic pulmonary oedema or malignant stroke evolution occurring by day 7 Day 90
Secondary Ordinal score on the mRS by day 90 at day 90
Secondary Functional independence by day 90 defined as a mRS score 0-2 at day 90
Secondary Excellent recovery by day 90 defined as a mRS score 0-1 at day 90
Secondary Moderate recovery by day 90 defined as a mRS score 0-3 at day 90
Secondary Shift analysis of day 90 mRS adjusted for initial prognostic factors (baseline mRS, age, initial NIHSS, carotid top occlusion) at day 90
Secondary Good recovery defined with sliding dichotomy responder analysis relating day 90 mRS with baseline NIHSS score: mRS 0 for NIHSS = 7; mRS 0-1 for NIHSS 8-14; mRS 0-2 for NIHSS > 14 at day 90
Secondary Intraprocedural hemodynamic and ventilatory conditions and complications defined as hypotension, blood pressure variability, hypoxemia and aspiration at day 90
Secondary Intervention-associated vessel and others complications defined as arterial dissection or perforation, groin hematoma, embolization in another arterial territory at day 90
Secondary Door to groin puncture delay at day 90
Secondary Door to reperfusion delay at day 90
Secondary Successful reperfusion defined by the modified Treatment In Cerebral Ischemia (mTICI) reperfusion scale of 2b or 3 (with a grade of 2b or 3 indicating reperfusion of > 50% of the affected territory) at day 90
Secondary NIHSS by day 1 and day 7 by day 1 and day 7
Secondary Stroke unit and hospital length of stay at day 90
Secondary Medical complications by day 7 defined as pneumonia, acute cardiogenic pulmonary oedema, myocardial infarction, extra pulmonary infection, venous thromboembolism, new event of AIS, epilepsy, gastrointestinal bleeding or other symptomatic bleeding at day 7
Secondary Malignant stroke evolution by day 7 by day 7
Secondary Symptomatic intracranial haemorrhage by day 7 defined as brain haemorrhage on imaging associated with an increase of at least 4 points in the NIHSS score by day 7
Secondary Unexpected intensive care unit admission by day 7 by day 7
Secondary Mortality by day 7 and day 90 by day 7 and day 90
Secondary Procedural feasibility score estimated by the radiologist and the anaesthesiologist and patient acceptability score by day 7 and day 90
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