Intensive Care UnitPhase 4NCT05718024
Night-time Dexmedetomidine-esketamine Infusion and Sleep Quality in ICU Patients
A Phase 4 study testing Dexmedetomidine-esketamine and Routine sedation and analgesia in people with Intensive Care Unit and Mechanical Ventilation, run by Peking University First Hospital at 1 site in China.
Trial summary
Dexmedetomidine and ketamine are both suggested for sedation and analgesia in ICU patients. Recent studies suggest that low-dose dexmedetomidine or ketamine/esketamine may improve sleep quality of ICU patients. Read more about this study
- Who is it for?
- Ages 50 years and older
- Conditions the study is for
- Intensive Care Unit, Mechanical Ventilation, Dexmedetomidine
- What is being tested?
- Dexmedetomidine-esketamine and Routine sedation and analgesia
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 174 participants
- Where
- 1 siteChina
- Study dates
- 1 Nov 2023to 23 May 2025
- Phase
- Phase 4
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 50 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Aged 50 years or older;
- Admitted to the intensive care unit (ICU) after surgery;
- Receiving mechanical ventilation or high-flow nasal cannula oxygen therapy during night-time (after 6 pm), with an expected duration of ≥12 hours.
Who cannot join
- Duration of invasive/non-invasive ventilation ≥12 hours before enrollment;
- Planning to receive muscle relaxant treatment;
- History of schizophrenia, epilepsy, Parkinson's disease, or myasthenia gravis;
- Unable to communicate due to coma, delirium, severe dementia, or language barrier before receiving mechanical ventilation or high-flow nasal cannula oxygen therapy;
- Acute stroke or hypoxic encephalopathy, or after craniocerebral injury or neurosurgery;
- Comorbid with hyperthyroidism or pheochromocytoma;
Show all 12Show fewer
- Taking sedative/hypnotic drugs or analgesics regularly (for more than 1 week) in the last month;
- LVEF<30%; sick sinus syndrome, severe sinus bradycardia (heart rate<50 beats/min), atrioventricular block of more than II degree and without pacemaker; or systolic blood pressure <90 mmHg despite vasopressor infusion;
- Severe liver dysfunction (Child-Pugh C grade), severe renal dysfunction (dialysis), or estimated survival ≤24 hours;
- Diagnosed obstructive sleep apnea, or body mass index >30 kg/m2;
- Allergies to dexmedetomidine and/or esketamine, or other conditions that are considered unsuitable for study participation;
- Enrolled in other clinical studies.
Trial locations and contacts
1 site in 1 country.
China1 site
Peking University First Hospital
Beijing, Beijing Municipality, 100034
About this study
Official title: Impact of Night-time Dexmedetomidine-esketamine Infusion on Sleep Quality of Patients With Mechanical Ventilation or High-flow Nasal Cannula Oxygen Therapy in ICU: a Randomized Controlled Trial
Dexmedetomidine and ketamine are both suggested for sedation and analgesia in ICU patients. Recent studies suggest that low-dose dexmedetomidine or ketamine/esketamine may improve sleep quality of ICU patients. The purpose of this trial is to observe whether night-time infusion of low-dose dexmedetomidine-esketamine combination can improve sleep structure of patients receiving mechanical ventilation or high-flow nasal cannula oxygen therapy in the ICU.
Read the detailed description
Sleep disturbances are common in patients during intensive care unit (ICU) stay, especially those receiving mechanical ventilation. Persistent sleep disturbances are associated with negative outcomes, including increased sensitivity to pain, increased risk of delirium and cardiovascular events, and delayed weaning from mechanical ventilation.
Dexmedetomidine and ketamine are both suggested for sedation and analgesia in ICU patients. Previous studies showed that night-time dexmedetomidine infusion may improve sleep quality in ICU patients with mechanical ventilation, the effect is dose-dependent. However, sedative dose dexmedetomidine increases adverse events inculding bradycardia and hypotension. Recent studies suggest that ketamine/esketamine may also improve sleep quality. But even low-dose ketamine/esketamine increases adverse events including psychiatric and dissociative symptoms. We suppose that combined use of low-dose dexmedetomidine and esketamine may produce synergic effects in improving sleep quality in ICU patients with less adverse events.
The purpose of this trial is to observe whether night-time infusion of low-dose dexmedetomidine-esketamine combination can improve sleep structure of patients receiving mechanical ventilation or high-flow nasal cannula oxygen therapy in ICU patients and the safety of this regimen.
- Being tested
- Dexmedetomidine-esketamine, Routine sedation and analgesia
- Keywords
- Intensive care unit, Mechanical ventilation, Dexmedetomidine, Esketamine, Sleep quality
- Medical subject headings
- Sleep Initiation and Maintenance Disorders
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Dexmedetomidine-esketamineDrug
Dexmedetomidine-esketamine combination will be infused during night-time (8 pm to 6:30 am) for ICU patients with mechanical ventilation or high-flow nasal cannula oxygen therapy.
Routine sedation and analgesiaDrug
Propofol and remifentanil will be infused during night-time (8 pm to 6:30 am) for ICU patients with mechanical ventilation or high-flow nasal cannula oxygen therapy (if necessary).
| Study group | Role | What they receive |
|---|---|---|
| Dexmedetomidine-esketamine | Experimental | Dexmedetomidine-esketamine combination will be infused during night-time (8 pm to 6:30 am) for ICU patients with mechanical ventilation or high-flow nasal cannula oxygen therapy, for a duration of up to 5 days. Receives: Drug: Dexmedetomidine-esketamine |
| Control | Active comparator | Propofol and remifentanil will be infused during night-time (8 pm to 6:30 am) for ICU patients with mechanical ventilation or high-flow nasal cannula oxygen therapy (if necessary), for a duration of up to 5 days. Receives: Drug: Routine sedation and analgesia |
What is being measured
The primary outcome is the main question the study is designed to answer.
Percentage of non-rapid eye movement sleep stage 2
Polysomnographic monitoring is performed during the first night after recruitment with an EEG/PSG Recording System (SOMNO screen plus, SOMNO medics GmbH, Randersacker, Germany). The monitored sleep architecture is divided into wakefulness, non-rapid eye movement (stages N1, N2, and N3) sleep, and rapid eye movement (REM) sleep. The percentages of each sleep stage are calculated as the durations of each sleep stage divided by the total sleep time.
Measured: From 21:00 pm to next 6:00 am during the first night after recruitment
Secondary outcomes (11)
Total sleep time
Polysomnographic monitoring is performed during the first night after recruitment with an EEG/PSG Recording System (SOMNO screen plus, SOMNO medics GmbH, Randersacker, Germany). Total sleep time is defined as the summary of time spent in any sleep stage during the monitoring period.
Measured: From 21:00 pm to next 6:00 am during the first night after enrollment
Sleep efficiency
Polysomnographic monitoring is performed during the first night after recruitment with an EEG/PSG Recording System (SOMNO screen plus, SOMNO medics GmbH, Randersacker, Germany). Sleep efficiency is calculated as the summary of time spent in each sleep stage divided by total sleep monitoring time.
Measured: From 21:00 pm to next 6:00 am during the first night after enrollment
Sleep fragmentation index
Polysomnographic monitoring is performed during the first night after recruitment with an EEG/PSG Recording System (SOMNO screen plus, SOMNO medics GmbH, Randersacker, Germany). Sleep fragmentation index is calculated as the total number of awakenings and sleep-stage shifts divided by total sleep time.
Measured: From 21:00 pm to next 6:00 am during the first night after enrollment
Time of sleep in each stage
Polysomnographic monitoring is performed during the first night after recruitment with an EEG/PSG Recording System (SOMNO screen plus, SOMNO medics GmbH, Randersacker, Germany). The monitored sleep architecture is divided into wakefulness, non-rapid eye movement (stages N1, N2, and N3) sleep, and rapid eye movement (REM) sleep.
Measured: From 21:00 pm to next 6:00 am during the first night after enrollment
Percentage of sleep in each stage (except percentage of non-rapid eye movement sleep stage 2)
Polysomnographic monitoring is performed during the first night after recruitment with an EEG/PSG Recording System (SOMNO screen plus, SOMNO medics GmbH, Randersacker, Germany). The monitored sleep architecture is divided into wakefulness, non-rapid eye movement (stages N1, N2, and N3) sleep, and rapid eye movement (REM) sleep. The percentages of each sleep stage are calculated as the durations of each sleep stage divided by the total sleep time.
Measured: From 21:00 pm to next 6:00 am during the first night after enrollment
Pain intensity
Pain intensity is assessed twice daily (8:00 am to 10:00 am and 6:00 pm to 8:00 pm) with the numeric rating scale where 0=no pain and 10=the worst pain.
Measured: During the first 5 days after enrollment
Subjective sleep quality
Subjective sleep quality is assessed daily (8:00 am to 10:00 am) with the numeric rating scale where 0=the best sleep and 10=the worst sleep.
Measured: During the first 5 days after enrollment
Sedation-agitation level
Sedation-agitation level is assessed twice daily (8:00 am to 10:00 am and 6:00 pm to 8:00 pm) with the Richmond Agitation Sedation Scale; score ranges from -5 (unarousable) to +4 (combative) and 0 indicates alert and calm.
Measured: During the first 5 days after enrollment
Delirium occurrence
Delirium is assessed twice daily (8:00 am to 10:00 am and 6:00 pm to 8:00 pm) with the Confusion Assessment Method for the ICU.
Measured: During the first 5 days after enrollment
Duration of mechanical ventilation
Mechanical ventilation during ICU stay.
Measured: Up to 30 days after enrollment
Length of ICU stay
Length of ICU stay.
Measured: Up to 30 days after enrollment
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted8 Feb 2023
- Study start1 Nov 2023
- Primary completion22 Apr 2025
- Study completion23 May 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (45)Papers the sponsor has linked to this study.
- Other trials for Intensive Care UnitStudies of the same condition, open and under way.
- More trials run by Peking University First HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 4
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Investigator, Outcomes assessor
- Enrolment
- 174 participants (actual)
Sponsor and investigators
- Lead sponsor
- Peking University First Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Dong-Xin Wang, Peking University First Hospital
- Investigators
- Dong-Xin Wang, MD, PhD, Principal investigator, Peking University First Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05718024
- Sponsor's protocol ID
- 2023-006
- Status last verified
- Dec 2025
- First submitted
- 29 Jan 2023
- Last updated
- 5 Dec 2025
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Friese RS. Sleep and recovery from critical illness and injury: a review of theory, current practice, and future directions. Crit Care Med. 2008 Mar;36(3):697-705. doi: 10.1097/CCM.0B013E3181643F29.
PubMed 18176314Elliott R, McKinley S, Cistulli P. The quality and duration of sleep in the intensive care setting: an integrative review. Int J Nurs Stud. 2011 Mar;48(3):384-400. doi: 10.1016/j.ijnurstu.2010.11.006. Epub 2010 Dec 24.
PubMed 21185560Parsons EC, Kross EK, Caldwell ES, Kapur VK, McCurry SM, Vitiello MV, Hough CL. Post-discharge insomnia symptoms are associated with quality of life impairment among survivors of acute lung injury. Sleep Med. 2012 Sep;13(8):1106-9. doi: 10.1016/j.sleep.2012.05.010. Epub 2012 Jul 2.
PubMed 22763017Combes A, Costa MA, Trouillet JL, Baudot J, Mokhtari M, Gibert C, Chastre J. Morbidity, mortality, and quality-of-life outcomes of patients requiring >or=14 days of mechanical ventilation. Crit Care Med. 2003 May;31(5):1373-81. doi: 10.1097/01.CCM.0000065188.87029.C3.
PubMed 12771605Granja C, Lopes A, Moreira S, Dias C, Costa-Pereira A, Carneiro A; JMIP Study Group. Patients' recollections of experiences in the intensive care unit may affect their quality of life. Crit Care. 2005 Apr;9(2):R96-109. doi: 10.1186/cc3026. Epub 2005 Jan 31.
PubMed 15774056Aurell J, Elmqvist D. Sleep in the surgical intensive care unit: continuous polygraphic recording of sleep in nine patients receiving postoperative care. Br Med J (Clin Res Ed). 1985 Apr 6;290(6474):1029-32. doi: 10.1136/bmj.290.6474.1029.
PubMed 3921096Friese RS, Diaz-Arrastia R, McBride D, Frankel H, Gentilello LM. Quantity and quality of sleep in the surgical intensive care unit: are our patients sleeping? J Trauma. 2007 Dec;63(6):1210-4. doi: 10.1097/TA.0b013e31815b83d7.
PubMed 18212640Gehlbach BK, Chapotot F, Leproult R, Whitmore H, Poston J, Pohlman M, Miller A, Pohlman AS, Nedeltcheva A, Jacobsen JH, Hall JB, Van Cauter E. Temporal disorganization of circadian rhythmicity and sleep-wake regulation in mechanically ventilated patients receiving continuous intravenous sedation. Sleep. 2012 Aug 1;35(8):1105-14. doi: 10.5665/sleep.1998.
PubMed 22851806Elliott R, McKinley S, Cistulli P, Fien M. Characterisation of sleep in intensive care using 24-hour polysomnography: an observational study. Crit Care. 2013 Mar 18;17(2):R46. doi: 10.1186/cc12565.
PubMed 23506782Slatore CG, Goy ER, O'hearn DJ, Boudreau EA, O'Malley JP, Peters D, Ganzini L. Sleep quality and its association with delirium among veterans enrolled in hospice. Am J Geriatr Psychiatry. 2012 Apr;20(4):317-26. doi: 10.1097/JGP.0b013e3182487680.
PubMed 22367162Finan PH, Goodin BR, Smith MT. The association of sleep and pain: an update and a path forward. J Pain. 2013 Dec;14(12):1539-52. doi: 10.1016/j.jpain.2013.08.007.
PubMed 24290442Fernandes NM, Nield LE, Popel N, Cantor WJ, Plante S, Goldman L, Prabhakar M, Manlhiot C, McCrindle BW, Miner SE. Symptoms of disturbed sleep predict major adverse cardiac events after percutaneous coronary intervention. Can J Cardiol. 2014 Jan;30(1):118-24. doi: 10.1016/j.cjca.2013.07.009. Epub 2013 Oct 16.
PubMed 24140074Kjolhede P, Langstrom P, Nilsson P, Wodlin NB, Nilsson L. The impact of quality of sleep on recovery from fast-track abdominal hysterectomy. J Clin Sleep Med. 2012 Aug 15;8(4):395-402. doi: 10.5664/jcsm.2032.
PubMed 22893770Kanji S, Mera A, Hutton B, Burry L, Rosenberg E, MacDonald E, Luks V. Pharmacological interventions to improve sleep in hospitalised adults: a systematic review. BMJ Open. 2016 Jul 29;6(7):e012108. doi: 10.1136/bmjopen-2016-012108.
PubMed 27473952Stanchina ML, Abu-Hijleh M, Chaudhry BK, Carlisle CC, Millman RP. The influence of white noise on sleep in subjects exposed to ICU noise. Sleep Med. 2005 Sep;6(5):423-8. doi: 10.1016/j.sleep.2004.12.004. Epub 2005 Mar 31.
PubMed 16139772
Study at a glance
From the registry record, last updated by the sponsor on 5 Dec 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Impact of Night-time Dexmedetomidine-esketamine Infusion on Sleep Quality of Patients With Mechanical Ventilation or High-flow Nasal Cannula Oxygen Therapy in ICU: a Randomized Controlled Trial
- ClinicalTrials.gov ID
- NCT05718024
- Acronym / sponsor ID
- 2023-006
- Keywords
- Intensive care unit, Mechanical ventilation, Dexmedetomidine, Esketamine, Sleep quality
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 174 participants (actual)
- Lead sponsor
- Peking University First HospitalUniversity, hospital or other
- Study start
- 1 Nov 2023 (actual)
- Primary completion
- 22 Apr 2025 (actual)
- Study completion
- 23 May 2025 (actual)
- First posted
- 8 Feb 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Dexmedetomidine and ketamine are both suggested for sedation and analgesia in ICU patients. Recent studies suggest that low-dose dexmedetomidine or ketamine/esketamine may improve sleep quality of ICU patients. The purpose of this trial is to observe whether night-time infusion of low-dose dexmedetomidine-esketamine combination can improve sleep structure of patients receiving mechanical ventilation or high-flow nasal cannula oxygen therapy in the ICU.
Detailed description
Sleep disturbances are common in patients during intensive care unit (ICU) stay, especially those receiving mechanical ventilation. Persistent sleep disturbances are associated with negative outcomes, including increased sensitivity to pain, increased risk of delirium and cardiovascular events, and delayed weaning from mechanical ventilation.
Dexmedetomidine and ketamine are both suggested for sedation and analgesia in ICU patients. Previous studies showed that night-time dexmedetomidine infusion may improve sleep quality in ICU patients with mechanical ventilation, the effect is dose-dependent. However, sedative dose dexmedetomidine increases adverse events inculding bradycardia and hypotension. Recent studies suggest that ketamine/esketamine may also improve sleep quality. But even low-dose ketamine/esketamine increases adverse events including psychiatric and dissociative symptoms. We suppose that combined use of low-dose dexmedetomidine and esketamine may produce synergic effects in improving sleep quality in ICU patients with less adverse events.
The purpose of this trial is to observe whether night-time infusion of low-dose dexmedetomidine-esketamine combination can improve sleep structure of patients receiving mechanical ventilation or high-flow nasal cannula oxygen therapy in ICU patients and the safety of this regimen.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Dexmedetomidine-esketamine | Experimental | Drug: Dexmedetomidine-esketamineDexmedetomidine-esketamine combination will be infused during night-time (8 pm to 6:30 am) for ICU patients with mechanical ventilation or high-flow nasal cannula oxygen therapy, for a duration of up to 5 days. |
| Control | Active comparator | Drug: Routine sedation and analgesiaPropofol and remifentanil will be infused during night-time (8 pm to 6:30 am) for ICU patients with mechanical ventilation or high-flow nasal cannula oxygen therapy (if necessary), for a duration of up to 5 days. |
Who may qualify
- Ages
- 50 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- Aged 50 years or older;
- Admitted to the intensive care unit (ICU) after surgery;
- Receiving mechanical ventilation or high-flow nasal cannula oxygen therapy during night-time (after 6 pm), with an expected duration of ≥12 hours.
Key exclusion criteria (12 listed)
- Duration of invasive/non-invasive ventilation ≥12 hours before enrollment;
- Planning to receive muscle relaxant treatment;
- History of schizophrenia, epilepsy, Parkinson's disease, or myasthenia gravis;
- Unable to communicate due to coma, delirium, severe dementia, or language barrier before receiving mechanical ventilation or high-flow nasal cannula oxygen therapy;
- Acute stroke or hypoxic encephalopathy, or after craniocerebral injury or neurosurgery;
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Dexmedetomidine-esketamineDexmedetomidine-esketamine combination will be infused during night-time (8 pm to 6:30 am) for ICU patients with mechanical ventilation or high-flow nasal cannula oxygen therapy. | Drug | Dexmedetomidine-esketamine |
| Routine sedation and analgesiaPropofol and remifentanil will be infused during night-time (8 pm to 6:30 am) for ICU patients with mechanical ventilation or high-flow nasal cannula oxygen therapy (if necessary). | Drug | Control |
Primary outcome
Percentage of non-rapid eye movement sleep stage 2
Time frame: From 21:00 pm to next 6:00 am during the first night after recruitment
Polysomnographic monitoring is performed during the first night after recruitment with an EEG/PSG Recording System (SOMNO screen plus, SOMNO medics GmbH, Randersacker, Germany). The monitored sleep architecture is divided into wakefulness, non-rapid eye movement (stages N1, N2, and N3) sleep, and rapid eye movement (REM) sleep. The percentages of each sleep stage are calculated as the durations of each sleep stage divided by the total sleep time.
11 secondary outcomes
Total sleep time
Time frame: From 21:00 pm to next 6:00 am during the first night after enrollment
Sleep efficiency
Time frame: From 21:00 pm to next 6:00 am during the first night after enrollment
Sleep fragmentation index
Time frame: From 21:00 pm to next 6:00 am during the first night after enrollment
Time of sleep in each stage
Time frame: From 21:00 pm to next 6:00 am during the first night after enrollment
Percentage of sleep in each stage (except percentage of non-rapid eye movement sleep stage 2)
Time frame: From 21:00 pm to next 6:00 am during the first night after enrollment
Pain intensity
Time frame: During the first 5 days after enrollment
Subjective sleep quality
Time frame: During the first 5 days after enrollment
Sedation-agitation level
Time frame: During the first 5 days after enrollment
Delirium occurrence
Time frame: During the first 5 days after enrollment
Duration of mechanical ventilation
Time frame: Up to 30 days after enrollment
Length of ICU stay
Time frame: Up to 30 days after enrollment
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 5 Dec 2025.
- Background: PubMed 18176314Friese RS. Sleep and recovery from critical illness and injury: a review of theory, current practice, and future directions. Crit Care Med. 2008 Mar;36(3):697-705. doi: 10.1097/CCM.0B013E3181643F29.
- Background: PubMed 21185560Elliott R, McKinley S, Cistulli P. The quality and duration of sleep in the intensive care setting: an integrative review. Int J Nurs Stud. 2011 Mar;48(3):384-400. doi: 10.1016/j.ijnurstu.2010.11.006. Epub 2010 Dec 24.
- Background: PubMed 22763017Parsons EC, Kross EK, Caldwell ES, Kapur VK, McCurry SM, Vitiello MV, Hough CL. Post-discharge insomnia symptoms are associated with quality of life impairment among survivors of acute lung injury. Sleep Med. 2012 Sep;13(8):1106-9. doi: 10.1016/j.sleep.2012.05.010. Epub 2012 Jul 2.
- Background: PubMed 12771605Combes A, Costa MA, Trouillet JL, Baudot J, Mokhtari M, Gibert C, Chastre J. Morbidity, mortality, and quality-of-life outcomes of patients requiring >or=14 days of mechanical ventilation. Crit Care Med. 2003 May;31(5):1373-81. doi: 10.1097/01.CCM.0000065188.87029.C3.
- Background: PubMed 15774056Granja C, Lopes A, Moreira S, Dias C, Costa-Pereira A, Carneiro A; JMIP Study Group. Patients' recollections of experiences in the intensive care unit may affect their quality of life. Crit Care. 2005 Apr;9(2):R96-109. doi: 10.1186/cc3026. Epub 2005 Jan 31.
- Background: PubMed 3921096Aurell J, Elmqvist D. Sleep in the surgical intensive care unit: continuous polygraphic recording of sleep in nine patients receiving postoperative care. Br Med J (Clin Res Ed). 1985 Apr 6;290(6474):1029-32. doi: 10.1136/bmj.290.6474.1029.
- Background: PubMed 18212640Friese RS, Diaz-Arrastia R, McBride D, Frankel H, Gentilello LM. Quantity and quality of sleep in the surgical intensive care unit: are our patients sleeping? J Trauma. 2007 Dec;63(6):1210-4. doi: 10.1097/TA.0b013e31815b83d7.
- Background: PubMed 22851806Gehlbach BK, Chapotot F, Leproult R, Whitmore H, Poston J, Pohlman M, Miller A, Pohlman AS, Nedeltcheva A, Jacobsen JH, Hall JB, Van Cauter E. Temporal disorganization of circadian rhythmicity and sleep-wake regulation in mechanically ventilated patients receiving continuous intravenous sedation. Sleep. 2012 Aug 1;35(8):1105-14. doi: 10.5665/sleep.1998.
- Background: PubMed 23506782Elliott R, McKinley S, Cistulli P, Fien M. Characterisation of sleep in intensive care using 24-hour polysomnography: an observational study. Crit Care. 2013 Mar 18;17(2):R46. doi: 10.1186/cc12565.
- Background: PubMed 22367162Slatore CG, Goy ER, O'hearn DJ, Boudreau EA, O'Malley JP, Peters D, Ganzini L. Sleep quality and its association with delirium among veterans enrolled in hospice. Am J Geriatr Psychiatry. 2012 Apr;20(4):317-26. doi: 10.1097/JGP.0b013e3182487680.
- Background: PubMed 24290442Finan PH, Goodin BR, Smith MT. The association of sleep and pain: an update and a path forward. J Pain. 2013 Dec;14(12):1539-52. doi: 10.1016/j.jpain.2013.08.007.
- Background: PubMed 24140074Fernandes NM, Nield LE, Popel N, Cantor WJ, Plante S, Goldman L, Prabhakar M, Manlhiot C, McCrindle BW, Miner SE. Symptoms of disturbed sleep predict major adverse cardiac events after percutaneous coronary intervention. Can J Cardiol. 2014 Jan;30(1):118-24. doi: 10.1016/j.cjca.2013.07.009. Epub 2013 Oct 16.
- Individual participant dataSharing planned: No
Related trials for Intensive Care Unit
Recruiting
Effect of Rutin and Vitamin C on Outcomes in Adults With Sepsis Admitted to the Intensive Care Unit
Sepsis
Not yet recruitingObservational study
CAROTID DOPPLER AND CEREBRAL OXIMERY IN POST CARDIAC ARREST ICU PATIENTS
Cardiac Arrest (CA), Carotid Doppler
Not yet recruitingPhase 4
Ceftriaxone Dosage for Non-Critical Community-Acquired Pneumonia
Community Acquired Pneumonia (CAP)
RecruitingPhase 3
Canadian Critical Care Comparative Effectiveness Platform
Intensive Care Unit ICU, Vasopressor
Active, not recruiting
Weighted Blankets for Agitation in Adults in the Intensive Care Unit
Psychomotor Agitation, Critical Illness
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Dong-Xin Wang, MD, PhD principal investigator
Peking University First Hospital
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing Dexmedetomidine-esketamine and Routine sedation and analgesia in people with Intensive Care Unit and Mechanical Ventilation, run by Peking University First Hospital at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 5 Dec 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Percentage of non-rapid eye movement sleep stage 2 (time frame: From 21:00 pm to next 6:00 am during the first night after recruitment). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05718024, which also lists 45 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 5 Dec 2025.