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CompletedNCT01486121Updated Dec 2, 2015

Sedation Optimisation Strategy (S.O.S.) Ventilation

A Phase 3 interventional study of Therapy strategy in Surgery, Critical Illness and Mechanical Ventilation Complication, sponsored by University Hospital, Montpellier. Completed at 3 sites in France. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2015-12-02.

Sponsored by University Hospital, Montpellier · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
140
Allocation
Randomized
Ages
18 Years and older
Sex
All
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Study summary

Use of sedatives and analgesics is common in mechanically ventilated patients hospitalized in Intensive Care Unit (ICU). That is called " sedation " and aimed to reduce both pain and anxiety and also to allow an effective and atraumatic mechanical ventilation. However, sedation excess and ventilator support excess, both in duration and intensity, are associated with an excess morbidity. Patients usually are systematically sedated after having been intubated. Then, sedation is stopped first before ventilator support is weaning. Several studies shown that rationalized protocols of sedation and ventilation orderings had a beneficial impact on non surgical patients' outcome. Feasibility of these protocols in surgical patients is still unknown. Moreover, no study has evaluated an optimized paired strategy of sedation-ventilation based on the priority setting of ventilation. This priority setting of ventilation should increase patient's comfort in spite of increasing sedatives and analgesics dosing. An paired sedation-ventilation protocol optimized for both duration and intensity of these treatments could improve surgical patients' outcome in ICU.

Read the detailed description

Intervention group:

  • Continuous use of sedatives and analgesics (commonly called "sedation") will be stopped upon enrolment.
  • Ventilator asynchrony in Volume assist Controlled Ventilation (VCV) will be treated by switching to Pressure Support Ventilation (PSV) or adjusting setting of VCV.
  • Pain, anxiety and agitation will be treated by priority setting of the mechanical ventilator aimed to deliver the most comfortable ventilator support and secondly by adding analgesics and/or psychoactive drugs without inducing a coma state.- Persistent ventilator asynchrony or persistent agitation will be treated by 6-hours continuous sedation periods.
  • Extubation will be performed according to criteria defined by the national consensus on mechanical ventilation weaning, which are based on a daily spontaneous breathing trial in the absence of any sedation.

Control group (standard practices):

  • Continuous use of sedatives and analgesics (commonly called "sedation") will be daily stopped according to criteria defined by the national consensus on sedation for ICU patients.- During the period before the interruption of sedation, ventilator asynchrony in VCV will be treated by increasing the depth of sedation and then the dose of opioids.
  • During the period before the interruption of sedation, pain, anxiety and agitation will be treated by a priority adjustment of sedation according to the nurse driven protocol recommended by the national consensus on sedation for ICU patients.- During the period after the interruption of sedation, ventilator asynchrony will be treated by switching to the PSV mode. In case of return to VCV, asynchrony will be treated by restart of sedation.
  • During the period after the interruption of sedation, pain, anxiety and agitation will be treated as for the intervention group.
  • Extubation will be performed according to criteria defined by the national consensus on mechanical ventilation weaning, which are based on a daily spontaneous breathing trial in the absence of any sedation.
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Conditions studied

  • Surgery
  • Critical Illness
  • Mechanical Ventilation Complication
  • Organ Dysfunction Syndrome
  • Intensive Care Unit Syndrome

Keywords

  • Surgery
  • Critical illness
  • Mechanical ventilation
  • Organ dysfunction syndrome
  • Intensive Care Units Sedation
  • Analgesia
  • Treatment protocol
  • Nursing protocol
  • Outcome
  • Pain
  • Neurological disorders
  • Delirium
  • Muscular weakness
  • Psychological disorders
  • Anxiety
  • Depression
  • Stress disorders
  • Post-Traumatic
03

In context

Syndrome

9,217 studies on the registry are indexed under Syndrome; 1,031 are open to participants now.

This study's enrollment of 140 is above the median of 50 across 6,515 interventional studies indexed under Syndrome.

Browse Syndrome studies →

Lead sponsor

University Hospital, Montpellier is the lead sponsor of 1,244 studies on the registry; 224 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Ventilated patient in assist control mode after a surgical procedure expected to be ventilated for 12-hours or more
  • At least 1 organ dysfunction according to SOFA score
  • Non paralyzed because of neuromuscular blocking agents
  • Body temperature > or equal 36°CAge > or equal 18
  • Surrogate decision maker's consent

Exclusion criteria

Exclusion Criteria:

  • Patients without any surgical procedure (medical patients)
  • Continuous mechanical ventilation for 24-hours or longer
  • Hospitalisation in ICU for 7-days or longer
  • Severe ARDS (Acrasis study criteria, New England J Med 2011)
  • Neurological injury
  • Active toxicomania
  • Reduction or cessation of active treatment
  • Patient under tutelage
  • Pregnancy
  • No French health insurance
  • Enrollment in another study on sedation or mechanical ventilation
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Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
140 participants (actual)

Study arms

  • Other
    S.O.S.-V

    Other: Therapy strategy

  • No intervention
    Standard

Interventions

  • OtherTherapy strategy

    Sedation \& mechanical ventilation

06

What researchers measure

Primary outcomes

  1. Time to successful intubation

    Time to successful intubation is defined as time from randomization to extubation (or tracheotomy mask) for 48 hours.

    Time frame: for 48 hours after intubation

Secondary outcomes

  1. Dose and duration of sedation

    Dose and duration of sedation

    Time frame: Day 0 to Days 28

  2. Type and duration of mechanical ventilation

    Type and duration of mechanical ventilation

    Time frame: Day 0 to Days 28

  3. Complications acquired in ICU

    Complications acquired in ICU stress ulcers ileus infections delirium neuromuscular weakness pain

    Time frame: Days 28

  4. Length of stay in ICU and hospital

    Length of stay in ICU and hospital

    Time frame: up to 6 months

  5. Mortality

    ICU mortality, 3 months mortality and 12 months mortality

    Time frame: up to 12 months

  6. Quality of life, anxiety, depression, post-traumatic stress disorder 3 and 12 months after ICU discharge

    Quality of life, anxiety, depression, post-traumatic stress disorder 3 and 12 months after ICU discharge

    Time frame: up to 6 months

  7. Incidence and duration of organ dysfunctions

    Incidence and duration of organ dysfunctions

    Time frame: Day 1 to Days 5

07

Study locations

3 sites
  • Department of Anesthesiology & Critical Care, Estaing University Hospital
    Clermont-Ferrand, 63000, France
  • Department of Anesthesiology & Critical Care, St Eloi University Hospital
    Montpellier, 34000, France
  • Department of Anesthesiology & Critical Care, Caremeau University Hospita
    Nimes, 30000, France
08

References and documents

Publications

  • Chanques G, Conseil M, Roger C, Constantin JM, Prades A, Carr J, Muller L, Jung B, Belafia F, Cisse M, Delay JM, de Jong A, Lefrant JY, Futier E, Mercier G, Molinari N, Jaber S; SOS-Ventilation study investigators. Immediate interruption of sedation compared with usual sedation care in critically ill postoperative patients (SOS-Ventilation): a randomised, parallel-group clinical trial. Lancet Respir Med. 2017 Oct;5(10):795-805. doi: 10.1016/S2213-2600(17)30304-1. Epub 2017 Sep 18. PubMed 28935558 ↗
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 2, 2015, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT01486121
Lead sponsor
University Hospital, Montpellier
Responsible party
Sponsor
First posted
Dec 6, 2011
Start date
Dec 2011
Primary completion
Apr 2015
Completion
Apr 2015
Last update
Dec 2, 2015

Study contacts

Gerald GC Chanques, MD, PhD
principal investigator · UH, Montpellier

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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