Clinical trial • Phase III • Neurology

dexmedetomidine for Emergence delirium

Phase III trial of dexmedetomidine for Emergence delirium.

Overview

Trial Therapeutic Area
Neurology
Trial Disease
Emergence delirium
Trial Stage
Phase III
Drug Modality
Small molecule
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
18-12-2025
First CTIS Authorization Date
15-04-2026

Trial design

Randomised, natriumklorid b. braun 9 mg/ml oppløsningsvæske til parenteral bruk (sodium chloride 9 mg/ml) used as placebo; route: intranasal use; dose and schedule not specified in the available data.-controlled Phase III trial across 1 site in Norway.

Randomised
Yes
Comparator
Natriumklorid B. Braun 9 mg/ml oppløsningsvæske til parenteral bruk (Sodium chloride 9 mg/ml) used as placebo; route: intranasal use; dose and schedule not specified in the available data.
Target Sample Size
255
Trial Duration For Participant
1

Eligibility

Recruits 255 paediatric patients.

Vulnerable Population
Children aged 1–7 years are identified as a vulnerable population. Consent must be provided by the participant’s legally authorized representatives (see exclusion: 'Missing consent from the participant’s legally authorized representatives'). Subject information and informed consent form are provided for participants' legally authorized representatives (document L1). Other subject information material is provided for children under 12 years (document L2). Participants are excluded if their legally authorized representative does not speak and read sufficient Norwegian or English.

Inclusion criteria

  • {"criterion_text":"- American Society of Anesthesiologists I and II\n- Children aged 1–7 years\n- Scheduled to undergo adenotonsillectomy"}

Exclusion criteria

  • {"criterion_text":"- Known allergies or intolerances to Dexmedetomidine\n- Acute cerebrovascular conditions\n- Clinically unfit for general anesthesia\n- Neuropsychiatric diagnoses that include: intellectual disabilities, disorders of psychological development, and behavioural and emotional disorders with onset usually occurring in childhood and adolescence. As defined in ICD-10, F70 to F98.\n- Daily use of analgesics\n- Under investigation for a neuropsychiatric diagnosis as defined in exclusion point number 3.\n- Children whose legally authorized representative does not speak and read sufficient Norwegian or English.\n- Missing consent from the participant’s legally authorized representatives\n- Second- or third-degree atrioventricular block, unless the patient has a pacemaker.\n- Uncontrolled hypotension"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Emergence delirium (ED), defined as a Pediatric Anesthesia Emergence Delirium (PAEDs) score ≥ 10 in the time between waking up, until 45 minutes after waking up; measured at 15, 30, and 45 minutes after waking up, or whenever there are signs of ED within this time frame. This is a dichotomous endpoint recorded as \"ED present\" if PAEDs score ≥ 10 and \"absent” otherwise.","definition_or_measurement_approach":"PAEDs score ≥ 10 between waking and 45 minutes after waking; measured at 15, 30 and 45 minutes after waking up (or when signs of ED occur). Recorded dichotomously: ED present if PAEDs ≥ 10, absent otherwise."}

Secondary endpoints

  • {"endpoint_text":"- Emergence delirium, defined as a Richmond Agitation-Sedation Scale score > 0 in the time between waking up, until 45 minutes after waking up; measured at 15, 30, and 45 minutes after waking up or whenever there are signs of emergence delirium within this time frame. This is a dichotomous endpoint recorded as \"emergence delirium present\" if Richmond Agitation-Sedation Scale score > 0 and \"absent” otherwise.","definition_or_measurement_approach":"Richmond Agitation-Sedation Scale score > 0 measured at 15, 30 and 45 minutes after waking (or when signs occur); dichotomous outcome (present if score > 0)."}
  • {"endpoint_text":"- Level of pain during the first 45 minutes after waking up will be measured with the Face Legs Activity Cry Consolation score, Nurse Numeric Rating Scale score, and Parental Numeric Rating Scale score.","definition_or_measurement_approach":"Pain during first 45 minutes after waking measured using FLACC (Face, Legs, Activity, Cry, Consolability), Nurse Numeric Rating Scale, and Parental Numeric Rating Scale."}
  • {"endpoint_text":"- Level of pain during the stay in the Post-Anesthesia Care Unit. Measured with total opioid analgesic consumption.","definition_or_measurement_approach":"Pain in PACU measured by total opioid analgesic consumption."}
  • {"endpoint_text":"- Length of stay during anesthesia and in the Post-Anesthesia Care Unit. Departure from the Post-Anesthesia Care Unit will follow the local discharge criteria.","definition_or_measurement_approach":"Length of stay during anesthesia and in PACU according to local discharge criteria."}
  • {"endpoint_text":"- Postoperative nausea and vomiting in the Post-Anesthesia Care Unit and in the initial 24-hour postoperative period will be measured with the Baxter Retching Faces scale.","definition_or_measurement_approach":"Postoperative nausea and vomiting in PACU and initial 24 hours measured with Baxter Retching Faces scale."}
  • {"endpoint_text":"- The parental satisfaction score will be measured with the Pediatric Anesthesia Parent Satisfaction score.","definition_or_measurement_approach":"Parental satisfaction measured with Pediatric Anesthesia Parent Satisfaction score."}
  • {"endpoint_text":"- The frequency of adverse events, after investigestional medicinal product administration, in the intervention groups.","definition_or_measurement_approach":"Frequency of adverse events after IMP administration recorded in intervention groups."}
  • {"endpoint_text":"- The frequency of systolic blood pressure hypotension, after investigestional medicinal product administration, in the intervention groups.","definition_or_measurement_approach":"Frequency of systolic blood pressure hypotension after IMP administration recorded in intervention groups."}

Recruitment

Planned Sample Size
255
Recruitment Window Months
24
Consent Approach
Informed consent must be provided by the participant’s legally authorized representatives. Subject information and informed consent form for legally authorized representatives is available (document L1). Other subject information material is provided for children under 12 years (document L2). Participants are excluded if their legally authorized representative does not speak and read sufficient Norwegian or English. No explicit statement on child assent is provided in the available data.

Geography

Total Number Of Sites
1
Total Number Of Participants
255

Norway

Earliest CTIS Part Ii Submission Date
13-04-2026
Latest Decision Or Authorization Date
15-04-2026
Processing Time Days
2
Number Of Sites
1
Number Of Participants
255

Sites

Site Name
Akershus University Hospital
Department Name
Anesthesia
Principal Investigator Name
Tom Hansen
Principal Investigator Email
tom.giedsing.hansen@ahus.no
Contact Person Name
Tom Hansen
Contact Person Email
tom.giedsing.hansen@ahus.no
Number Of Participants
255

Sponsor

Primary sponsor

Full Name
Akershus University Hospital
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
Norway

Investigational products

Investigational Product Name
Dexmedetomidine B. Braun 100 mikrogram/ml konsentrat til infusjonsvæske, oppløsning
Active Substance
dexmedetomidine
Modality
Small molecule
Routes Of Administration
INTRANASAL USE
Route
INTRANASAL
Authorisation Status
Marketing authorisation in Norway (marketingAuthNumber 20-13426, authorisationCountryCode NO)
Maximum Dose
4 µg/Kg
Investigational Product Name
Natriumklorid B. Braun 9 mg/ml oppløsningsvæske til parenteral bruk
Active Substance
sodium chloride
Modality
Small molecule
Routes Of Administration
INTRANASAL USE
Route
INTRANASAL
Authorisation Status
Marketing authorisation in Norway (marketingAuthNumber 7533, authorisationCountryCode NO)
Maximum Dose
4 µg/Kg

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