Does Nightly Dexmedetomidine Improve Sleep and Reduce Delirium in ICU Patients? (SKY-DEX)

M

Maisonneuve-Rosemont Hospital

Status and phase

Completed
Phase 4

Conditions

Delirium
Sleep Deprivation

Treatments

Other: Placebo
Drug: Dexmedetomidine

Study type

Interventional

Funder types

Other

Identifiers

NCT01791296
10053 (Registry Identifier)

Details and patient eligibility

About

Specific Aims 1. Establish the feasibility of larger trial by implementing a sleep protocol in the ICU at 2 different sites. Specifically will be estimating the recruitment rates of patients and the compliance with both interventions. 2. Measure the safety and tolerance of adding night-time sedation with dexmedetomidine using adverse effects and withdrawal rates as indicators. 3. Measure the effect of nocturnal dexmedetomidine on pertinent clinical outcomes and use this outcome data to plan a larger, multicenter trial in this area. The goal of this study is to determine whether a night-time protocol that incorporates a pharmacologic intervention associated with improved sleep (i.e. dexmedetomidine) will improve sleep quality and reduce the incidence of delirium and sub-syndromal delirium in critically ill patients.

Full description

The goal of this study is to determine whether a nocturnal protocol that incorporates a pharmacologic intervention associated with improved sleep (i.e. dexmedetomidine) will improve sleep quality and reduce the incidence of delirium and sub-syndromal delirium in critically ill patients where ventilator settings have been optimized to optimize sleep quality. To evaluate the impact of a dexmedetomidine-focussed nocturnal sleep protocol that minimizes arousal from sleep on: incidence of delirium [Intensive Care Delirium Screening Checklist (ICDSC) score ≥ 4] incidence of sub-syndromal delirium (ICDSC score 1-3) outcomes specifically defined by place of discharge from hospital (i.e., home,rehabilitation, or long-term care) To gain an understanding of the effect of night-time sedation with dexmedetomidine on: patient safety self-reported sleep quality sleep quality and architecture [based on a subgroup of 10 patients at Tufts Medical Center who will be evaluated using polysomnography(PSG) for one night] time spent within targeted sedation goal time spent without pain agitation-related events length of stay in the ICU duration of mechanical ventilation length of hospital stay total health care costs by measuring medication costs and hospitalization costs, as well as calculating effectiveness (sleep, sedation and pain management vs. cost). This multicenter study will be performed at: Hopital Maissonneuve Rosemont, Montreal, PQ Tufts Medical Center, Boston, MA

Enrollment

100 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Age ≥ 18 years
  2. Current expectation on the part of the patient's admitting intensivist for patients to require ICU care for >/= 48 hrs
  3. Administered at least one sedative dose (scheduled or prn).

Exclusion criteria

  1. Patients with delirium (intensive care delirium screening checklist score ≥ 4) or disorientation (not oriented to person and/or place)
  2. Patients in whom an ICDSC cannot be reliably completed (e.g. primary language is not French or English, baseline severe hearing impairment)
  3. Inability by one of the investigators to obtain informed consent from the legally authorized representative
  4. Treating physician refusal
  5. Heart rate ≤ 50 BPM
  6. Systolic blood pressure ≤ 90 mmHg despite the administration of norepinephrine ≥ 15 mcg/min and/or vasopressin ≥ 0.04 units/min
  7. Admission with acute decompensated heart failure
  8. History of heart block without pacemaker based on hospital admission note.
  9. Acute alcohol withdrawal based on hospital admission note
  10. History of end stage liver failure (based on presence of ≥ 1 or more of the following: AST/ALT ≥ 2 times ULN, INR ≥ 2, total bilirubin ≥ 1.5)
  11. Irreversible brain disease consistent with severe dementia based on hospital admission note
  12. Pregnancy (all women of child-bearing age will undergo a pregnancy test prior to study enrolment)
  13. Known allergy or sensitivity to clonidine or dexmedetomidine
  14. Current treatment with dexmedetomidine

p. Prognosis considered to be hopeless based on consultation with the ICU admitting physician q. Age ≥80 years r. Currently being managed with a high frequency oscillating mode (HFOV) of mechanical ventilation.

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

100 participants in 2 patient groups, including a placebo group

Dexmedetomidine
Experimental group
Description:
Dexmedetomidine 0.2-0.7 mcg/kg/hr from 21:30 to 6:00
Treatment:
Drug: Dexmedetomidine
Placebo
Placebo Comparator group
Description:
Normal Saline 0.2-0.7 mcg/kg/hr from 21:30 to 6:00
Treatment:
Other: Placebo

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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