Induction in the Dark
1 other identifier
interventional
240
1 country
1
Brief Summary
This study will enroll children ages 2-6 who are undergoing an elective outpatient surgical procedure under general anesthesia. They will be randomized to one of the following groups and assessed for preoperative anxiety, mask acceptance, and behavioral changes in the following week.
- 1.darkened room and star projector with parental presence;
- 2.preoperative midazolam 0.5 mg/kg by mouth and parental presence; or
- 3.parental presence alone.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Apr 2024
Typical duration for phase_4
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
November 16, 2023
CompletedFirst Posted
Study publicly available on registry
November 22, 2023
CompletedStudy Start
First participant enrolled
April 16, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 15, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 22, 2026
July 8, 2025
July 1, 2025
2.2 years
November 16, 2023
July 7, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Mask acceptance
Mask acceptance during inhalational mask induction as measured by the mask acceptance scale (MAS). The MAS is scored on a scale from 1-4 by evaluating if the child is calm and accepting of the mask (4), slightly scared but easily calmed (3), has moderate fear of the mask and is not easily calmed (2), or cries, screams, or is terrified (1) during induction when using the inhalation mask. A higher score is better.
during induction evaluated up until the start of the scheduled surgery
Secondary Outcomes (5)
Perioperative anxiety
Measured preoperatively, then measured again during the entry to operating room.
Parental satisfaction of induction experience
evaluated after child's induction is complete up until the end of surgery
Post-Operative Emergency Delirium
from PACU arrival until discharge
Behavioral Changes
Day 1 Post-Op and Day 7 Post-Op, up to 30 days post-operatively
Time to PACU discharge
time in recovery, up to 30 days post-op
Study Arms (3)
Darkened room and star projector with parental presence
ACTIVE COMPARATORSubjects assigned to this arm, when in the operating room prior to the start of induction, the room will be darkened, and a star projector that lights up the ceiling and walls will be turned on. They will also have a parent in the room with them during induction of anesthesia.
Preoperative midazolam 0.5 mg/kg po and parental presence
ACTIVE COMPARATORSubjects assigned to this arm will be given midazolam by mouth preoperatively, and will have a parent in the room with them during induction of anesthesia.
Parental presence alone
ACTIVE COMPARATORSubjects assigned to this arm will have a parent in the room with them during induction of anesthesia.
Interventions
When in the operating room prior to the start of induction, the room will be darkened, and a star projector that lights up the ceiling and walls will be turned on.
Midazolam by mouth preoperatively.
A parent or guardian will accompany the child into the OR and be present for the start of induction.
Eligibility Criteria
You may qualify if:
- Age 2 to 6 years old
- American Society of Anesthesiologists physical status I-II
- Outpatient elective surgical procedures
- Undergoing general anesthesia
- Parent or guardian willing to be present during induction
You may not qualify if:
- History of previous surgery
- Fear of the dark
- Contraindication to inhalational mask induction of general anesthesia such as allergy to inhalation medication, NPO violation, active nausea or vomiting, severe GERD, etc.
- Severe developmental delay
- Severe obvious, preoperative anxiety
- Patients currently using psychiatric medications
- Non-English speaking
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Medical University of South Carolina
Charleston, South Carolina, 29425, United States
Study Officials
- PRINCIPAL INVESTIGATOR
Natalie Barnett, M.D.
Medical University of South Carolina
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor-Faculty
Study Record Dates
First Submitted
November 16, 2023
First Posted
November 22, 2023
Study Start
April 16, 2024
Primary Completion (Estimated)
June 15, 2026
Study Completion (Estimated)
June 22, 2026
Last Updated
July 8, 2025
Record last verified: 2025-07