Mini-dose Dexmedetomidine-Esketamine Supplemented Analgesia in Patients at High-risk of OSA
1 other identifier
interventional
100
1 country
1
Brief Summary
Patients with obstructive sleep apnea (OSA) are at increased risk of developing sleep disturbances after surgery. Dexmedetomidine is a highly selective α2-adrenergic agonist with sedative, analgesic, and anxiolytic effects. Ketamine is a noncompetitive N-methyl-d-aspartate (NMDA) receptor antagonist. Esketamine is the S-enantiomer of racemic ketamine and twice as potent as racemic ketamine for analgesia. A recent trial showed that mini-dose esketamine-dexmedetomidine in combination with opioids improved analgesia and subjective sleep quality after scoliosis correction surgery. This trial is designed to test the hypothesis that mini-dose dexmedetomidine-esketamine supplemented analgesia may improve postoperative sleep quality in patients at high-risk of OSA.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_4
Started Sep 2024
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 20, 2024
CompletedFirst Posted
Study publicly available on registry
August 22, 2024
CompletedStudy Start
First participant enrolled
September 11, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2025
CompletedSeptember 25, 2024
September 1, 2024
12 months
August 20, 2024
September 23, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Subjective sleep quality during the first night after surgery.
Subjective sleep quality is assessed with the Richards-Campbell Sleep Questionnaire (RCSQ). The RCSQ is a self-reported measure of subjective sleep quality with 5 items, including sleep depth, sleep latency, awakening, return to sleep, and overall sleep quality; the score of each item ranges from 0 to 100, with a higher score indicating better sleep.
During the first night after surgery.
Secondary Outcomes (5)
Sleep structure parameters during the first night after surgery.
During the first night after surgery
Cumulative subjective sleep quality score after surgery
During the first three nights after surgery.
Proportion of patients with poor sleep quality after surgery.
During the first three nights after surgery.
Area under curve of pain intensity score within 3 days after surgery.
Up to 3 days after surgery.
Subjective sleep quality at 30 days after surgery.
At 30 days after surgery.
Other Outcomes (5)
Sedation level within 3 days after surgery.
Up to 3 days after surgery.
Length of stay in hospital after surgery.
Up to 30 days after surgery.
Incidence of delayed neurocognitive recovery.
At 30 days after surgery.
- +2 more other outcomes
Study Arms (2)
Dexmedetomidine-esketamine combination
EXPERIMENTALPatient-controlled analgesia is established with dexmedetomidine (1 μg/ml), esketamine (1 mg/ml), and sufentanil (1 μg/ml) in a total volume of 100 ml. The pump is programmed to deliver 2-ml boluses at 6 to 8-minute lockout intervals with a background infusion rate at 1 ml/h. Patient-controlled analgesia is provided for at least 24 hours but no more than 48 hours after surgery.
Placebo
PLACEBO COMPARATORPatient-controlled analgesia is established with sufentanil (1 μg/ml) in a total volume of 100 ml. The pump is programmed to deliver 2-ml boluses at 6 to 8-minute lockout intervals with a background infusion rate at 1 ml/h. Patient-controlled analgesia is provided for at least 24 hours but no more than 48 hours after surgery.
Interventions
Patient-controlled analgesia is established with dexmedetomidine (1 μg/ml), esketamine (1 mg/ml), and sufentanil (1 μg/ml) in a total volume of 100 ml. The pump is programmed to deliver 2-ml boluses at 6 to 8-minute lockout intervals with a background infusion rate at 1 ml/h. Patient-controlled analgesia is provided for at least 24 hours but no more than 48 hours after surgery.
Patient-controlled analgesia is established with sufentanil (1 μg/ml) in a total volume of 100 ml. The pump is programmed to deliver 2-ml boluses at 6 to 8-minute lockout intervals with a background infusion rate at 1 ml/h. Patient-controlled analgesia is provided for at least 24 hours but no more than 48 hours after surgery.
Eligibility Criteria
You may qualify if:
- Aged ≥18 years but ≤80 years;
- Preoperative diagnosis of OSA, or judged to be at moderate-to-high risk of OSA according to the STOP-Bang Questionnaire;
- Scheduled to undergo thoracoscopic or laparoscopic surgery under general anesthesia, with an expected surgical duration of ≥1 hours, and required patient-controlled intravenous analgesia (PCIA) after surgery.
You may not qualify if:
- Diagnosed as central sleep apnea syndrome;
- Previous history of schizophrenia, epilepsy, Parkinson disease, or myasthenia gravis.
- History of schizophrenia, or having antipsychotic drugs (including antidepressants or anxiolytics);
- Inability to communicate in the preoperative period because of coma, profound dementia, or deafness;
- History of drug or alcohol dependence, or sedative or hypnotic therapy within 1 month before surgery;
- Contraindications to ketamine (such as hyperthyroidism, pheochromocytoma, or glaucoma);
- Sick sinus syndrome, severe sinus bradycardia (\<50 beats per minute), or second-degree or above atrioventricular block without pacemaker;
- Contraindications to high-flow nasal cannula therapy (such as mediastinal emphysema, shock or hypotension, cerebrospinal fluid leakage, nasosinusitis, otitis media, or deviation of nasal septum);
- Severe hepatic dysfunction (Child-Pugh class C), severe renal dysfunction (requirement of renal replacement therapy), severe heart dysfunction (preoperative New York Heart Association functional classification ≥3 or left ventricular ejection fraction \<30%), or ASA classification IV or above;
- Expected intensive care unit (ICU) admission with tracheal intubation after surgery;
- Other conditions that are considered unsuitable for study participation.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Peking University First Hospital
Beijing, Beijing Municipality, 100034, China
Related Publications (31)
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MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Dong-Xin Wang, M.D.
Peking University First Hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor and Chairman, Department of Anesthesiology
Study Record Dates
First Submitted
August 20, 2024
First Posted
August 22, 2024
Study Start
September 11, 2024
Primary Completion
September 1, 2025
Study Completion
December 1, 2025
Last Updated
September 25, 2024
Record last verified: 2024-09
Data Sharing
- IPD Sharing
- Will not share