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Early Goal-Directed Sedation Compared With Standard Care in Mechanically Ventilated Critically Ill Patients

Phase 3
Completed
Conditions
Critical Illness and Mechanical Ventilation
Interventions
Other: Early goal Directed Sedation
Other: Standard care sedation
Registration Number
NCT01728558
Lead Sponsor
Australian and New Zealand Intensive Care Research Centre
Brief Summary

The Use of sedative drugs in intensive care is widespread. A cohort study conducted in Australia and New Zealand in 2010 revealed a high prevalence of deep sedation within the first 48 hours of mechanical ventilation which was independently linked to prolonged ventilation, hospital and 180 days mortality. Clinical practice is moving towards the use of lighter levels of sedation. Recent RCTs in Europe (JAMA 2012) and previous RCTs (JAMA 2009) supports growing evidence that dexmedetomidine facilitates rousable sedation, shortens ventilation time and attenuates delirium when compared to midazolam and propofol.

The investigators confirmed in a pilot study the feasibility, efficacy and safety of a process of care known as Early Goal Directed Sedation (EGDS) that delivers:

1. Early randomization after intubation or arrival in the ICU (intubated).

2. Early Adequate analgesia after randomization.

3. Goal directed sedation titrated to achieve light sedation.

4. Dexmedetomidine based algorithm as the primary sedative agent with avoidance of benzodiazepines.

The aim of this study is to assess the effectiveness of Early Goal Directed Sedation when compared to standard care sedation in critically ill patients.

The study hypothesis is that Early Goal-Directed Sedation (EGDS), compared to standard care sedation, reduces 90-day all-cause mortality in critically ill patients who require mechanical ventilation.

Detailed Description

This is a large-scale study into the effectiveness of a novel approach for sedation in ventilated critically ill patients. The primary aim of this study is to determine whether Early Goal Directed Sedation therapy, compared to standard care sedation, reduces 90-day mortality in critically ill patients ventilated \> 24 hrs.

The study will be a randomized, unblinded, controlled trial conducted in approximately 35-50 intensive care units (ICUs) and will recruit 4000 mechanically ventilated patients (life support) who are expected to remain on the ventilator \> 24 hours AND require immediate ongoing sedative medication for comfort, safety, and to facilitate the delivery of life support measures, including mechanical ventilation.

Patients with primary brain injury or prolonged weakness are excluded. Participants will be randomized into one of 2 study groups. All patients will receive adequate analgesia at randomization at the discretion of treating clinician. All randomized patients will have Light sedation as the default target unless otherwise clinically indicated. The intervention group will receive EGDS with dexmedetomidine as the primary sedative agent to achieve light sedation, with the addition of propofol as required. The use of benzodiazepines in the intervention group is not allowed, with the exception of specific, defined circumstances.

The control group will have sedation according to usual practice as chosen by the treating clinician. The use of dexmedetomidine is not allowed, with the exception of specific, defined circumstances.

Deidentified data will be collected and will include; Baseline demographic information; Doses of all sedative, analgesic and other related medications; Pain, sedation and delirium scores and major treatments such as ventilation time, tracheostomy and dialysis. Patients surviving to hospital discharge will be contacted by phone to determine independent survival status at 90 days and again at 180 days plus Health Related Quality of Life and cognitive function assessment.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
4000
Inclusion Criteria
  • Patient has been intubated and is receiving mechanical ventilation
  • The treating clinician expects that the patient will remain intubated until the day after tomorrow (unlikely to be extubated the following day).
  • The patient requires immediate ongoing sedative medication for comfort, safety, and to facilitate the delivery of life support measures.
Exclusion Criteria
  • Age less than 18 years
  • Patient is pregnant and/or lactating
  • Has been intubated (excluding time spent intubated within an operating theatre or transport) for greater than 12 hours in an intensive care unit.
  • Proven or suspected acute primary brain lesion such as traumatic brain injury, intracranial haemorrhage, stroke, or hypoxic brain injury.
  • Proven or suspected spinal cord injury or other pathology that may result in permanent or prolonged weakness.
  • Admission as a consequence of a suspected or proven drug overdose or burns.
  • Administration of ongoing neuromuscular blockade.
  • A mean arterial blood (MAP) pressure that is less than 50 mmHg despite adequate resuscitation and vasopressor therapy at time of randomisation
  • Heart rate less than 55 beats per minute unless the patient is being treated with a beta-blocker or a high grade atrio-ventricular block in the absence of a functioning pacemaker.
  • Known sensitivity to any of the study medications or the constituents of propofol (egg, soya or peanut protein)
  • Acute fulminant hepatic failure
  • Patient has been receiving full time residential nursing care.
  • Death is deemed to be imminent or inevitable during this admission and either the attending physician, patient or substitute decision maker is not committed to active treatment.
  • Patient has an underlying disease that makes survival to 90 days unlikely
  • Patient has been previously enrolled in the SPICE study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Early Goal Directed SedationEarly goal Directed SedationEarly Goal Directed Sedation process of care involves: 1. Early delivery of proposed intervention, shortly after initiating mechanical ventilation; 2. Effective analgesia provided simultaneously and early (analgesia first). 3. Regular and frequent assessment of patient wakefulness/sedative state; 4. Avoidance of benzodiazepines and minimisation of use of propofol; 5. Reduced overall sedation depth with targeted light sedation; Patients randomised to the EGDS arm will receive a sedative infusion of Dexmedetomidine withor without minimal propofol in order to maintain a RASS of -2 to +1. Dexmedetomidine infusion will be continued until sedation is no longer clinically indicated up to a maximum of 28 days after enrolment.
Standard care Sedation ArmStandard care sedationPatients randomised to the standard care sedation arm will receive process of care sedation directed by the treating clinician. Based on the information from our observational study and the EGDS Pilot trial, most patients in this group are likely to receive midazolam and /or propofol. These agents will be infused to achieve the default target of Light sedation (RASS -2 to +1) whenever clinically appropriate and as specified by the treating clinician. The use remifentanil or dexmedetomidine for initial and maintenance sedation will be precluded.
Primary Outcome Measures
NameTimeMethod
MortalityDay 90 post randomisation
Secondary Outcome Measures
NameTimeMethod
Proportion of RASS measurements in target rangeup to day 28
Length of ICU stayup to 180 days
Proportion of patients who receive a tracheostomy Proportion of patients who require: re-intubation, physical restraints,or unplanned extubation,up to day 28
Mortality at hospital dischargeat hospital discharge up to 180 days
Ventilation free daysat 28 days following randomisation
Duration of treatment with midazolam, propofol, dexmedetomidine, fentanyl, and morphineup to 28 days
EQ-5D questionnaireat 180 days
Mortality at ICU dischargeup to 180 days
Incidence and duration of delirium measured by delirium free daysup to 28 days
Cumulative dose of midazolam, propofol, dexmedetomidine, fentanyl, and morphineup to 28 days
Length of hospital stayup to 180 days
Readmission to ICUat 90 days
Cognitive functionat 180 days
Full time institutional dependency at 180 daysup to 180 days
Discharge destinationup to 180 days

Trial Locations

Locations (74)

Hornsby Ku-ring-gai Hospital

🇦🇺

Hornsby, New South Wales, Australia

Gosford Hospital

🇦🇺

Gosford, New South Wales, Australia

Dandenong Hospital

🇦🇺

Dandenong, Victoria, Australia

Austin Hospital

🇦🇺

Heidelberg, Victoria, Australia

Central Gippsland Health Service

🇦🇺

Sale, Victoria, Australia

Prince of Wales Hospital

🇦🇺

Sydney, New South Wales, Australia

Royal Brisbane and Women's hospital

🇦🇺

Herston, Queensland, Australia

St John Of God, Subiaco

🇦🇺

Perth, Western Australia, Australia

Albury Hospital

🇦🇺

Albury, New South Wales, Australia

Blacktown Hospital

🇦🇺

Blacktown, New South Wales, Australia

St Vincent's Hospital Sydney

🇦🇺

Darlinghurst, New South Wales, Australia

Nepean Hospital

🇦🇺

Penrith, New South Wales, Australia

Royal North Shore Hospital

🇦🇺

St. Leonards, New South Wales, Australia

Westmead Hospital

🇦🇺

Westmead, New South Wales, Australia

Bendigo Hospital

🇦🇺

Bendigo, Victoria, Australia

Sunshine Coast Hospital (Nambour Hospital)

🇦🇺

Buderim, Queensland, Australia

Redcliffe Hospital

🇦🇺

Redcliffe, Queensland, Australia

Gold Coast Hospital & Health Service

🇦🇺

Southport, Queensland, Australia

Lyell McEwan Hospital

🇦🇺

Elizabeth Vale, South Australia, Australia

Princess Alexandra Hospital

🇦🇺

Woolloongabba, Queensland, Australia

Toowoomba Hospital

🇦🇺

Toowoomba, Queensland, Australia

Royal Hobart Hospital

🇦🇺

Hobart, Tasmania, Australia

Launceston General Hospital

🇦🇺

Launceston, Tasmania, Australia

Northern Hospital

🇦🇺

Epping, Victoria, Australia

Geelong Hospital

🇦🇺

Geelong, Victoria, Australia

Monash Medical Centre

🇦🇺

Melbourne, Victoria, Australia

Royal Melbourne Hospital

🇦🇺

Melbourne, Victoria, Australia

Knox Private Hospital

🇦🇺

Wantirna, Victoria, Australia

St Vincent's University Hospital

🇮🇪

Dublin, Dublin 4, Ireland

St James's University Hospital

🇮🇪

Dublin, Dublin 8, Ireland

Ospedale San Raffaele

🇮🇹

Milan, Italy

Raja Perempuan Zainab II Hospital

🇲🇾

Kota Bharu, Kelantan, Malaysia

Universiti Sains Malaysia Hospital

🇲🇾

Kota Bharu, Kelantan, Malaysia

Sarawak General Hospital

🇲🇾

Kuching, Sarawak, Malaysia

Penang General Hospital

🇲🇾

George Town, Pulau Pinang, Malaysia

Queen Elizabeth Hospital

🇲🇾

Kota Kinabalu, Sabah, Malaysia

Institut Jantung Negara

🇲🇾

Kuala Lumpur, Malaysia

Melaka General Hospital

🇲🇾

Melaka, Malaysia

Kuala Lumpar General Hospital

🇲🇾

Kuala Lumpur, Malaysia

University Malaya Medical Center

🇲🇾

Kuala Lumpur, Malaysia

Auckland City Hospital CVICU

🇳🇿

Grafton, Auckland, New Zealand

Christchurch Hospital

🇳🇿

Addington, Christchurch, New Zealand

Middlemore Hospital

🇳🇿

Otahuhu, Auckland, New Zealand

Wellington Hospital

🇳🇿

Newtown, Wellington, New Zealand

North Shore Hospital

🇳🇿

Takapuna, North Shore City, New Zealand

Dunedin Hospital

🇳🇿

Dunedin, New Zealand

Auckland City hospital

🇳🇿

Auckland, New Zealand

Prince Sultan Military Medical City

🇸🇦

Riyadh, Saudi Arabia

King Saud Medical City

🇸🇦

Riyadh, Saudi Arabia

Rotorua Hospital

🇳🇿

Rotorua, New Zealand

King Abdulaziz Medical City

🇸🇦

Riyadh, Saudi Arabia

Inselspital University Hospital Bern

🇨🇭

Bern, Switzerland

Kings College Hospital

🇬🇧

Brixton, London, United Kingdom

Freeman Hospital

🇬🇧

High Heaton, Newcastle Upon Tyne, United Kingdom

Queen Elizabeth Hospital King's Lynn

🇬🇧

King's Lynn, Norfolk, United Kingdom

Queen Elizabeth Hospital, Birmingham

🇬🇧

Birmingham, United Kingdom

University Hospital of North Tees

🇬🇧

Hardwick, Stockton-on-Tees, United Kingdom

Derriford Hospital

🇬🇧

Crownhill, Plymouth, United Kingdom

University Hospital of Wales

🇬🇧

Cardiff, United Kingdom

Dorset County Hospital

🇬🇧

Dorchester, United Kingdom

Royal Bournemouth Hospital

🇬🇧

Bournemouth, United Kingdom

University Hospital of Coventry and Warwick

🇬🇧

Coventry, United Kingdom

University Hospitals Bristol

🇬🇧

Bristol, United Kingdom

Royal Infirmary of Edinburgh

🇬🇧

Edinburgh, United Kingdom

Altnagelvin Hospital

🇬🇧

Londonderry, United Kingdom

Western General Hospital

🇬🇧

Edinburgh, United Kingdom

St Thomas Hospital

🇬🇧

London, United Kingdom

St George's Hospital

🇬🇧

London, United Kingdom

Royal Victoria Infirmary

🇬🇧

Newcastle Upon Tyne, United Kingdom

Royal Berkshire Hospital

🇬🇧

Reading, United Kingdom

Princess Royal University Hospital

🇬🇧

Orpington, United Kingdom

University College Hospital

🇬🇧

London, United Kingdom

Royal Darwin Hospital

🇦🇺

Tiwi, Northern Territory, Australia

Royal Liverpool University Hospital

🇬🇧

Liverpool, United Kingdom

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