Light and Anesthesia

NCT07517484 · tracked via the Priya Life Science China tracker

Sponsor

Peking University People's Hospital

Phase

Not applicable

Started

2025-10-03

Last updated

2026-05-29

Condition(s) studied

LightAnesthesiaSedation

Investigational drug(s) / intervention(s)

eye mask

eye mask: Patients in the light-shielded group will wear an opaque eye mask 30 minutes prior to induction of general anesthesia and continue to do so until the cessation of sedative medications for anesthesia.

Study summary

The objective of this clinical trial is to investigate the effect of light exposure on sedation depth during general anesthesia.The primary research questions this study aims to address include:

Does light condition affect the dosage of anesthetic medications during anesthesia? By what mechanism does light exposure exert an influence on anesthesia? Participants will be randomly allocated to either the light-shielded group or the non-light-shielded group.Patients in the light-shielded group will wear an eye shield during anesthesia.

The following data will be recorded for all patients:

Induction drug dosage Induction time Intraoperative anesthetic dosage Emergence time

Eligibility

Sex

ALL

Min age

18 Years

Max age

64 Years

Healthy volunteers

Inclusion Criteria: * a. Age between 18 and 65 years, regardless of gender; * b. ASA physical status I-II; * c. 18.5 ≤ BMI ≤ 28; * d. Signed written informed consent. Exclusion Criteria: * a. Blindness or history of photosensitivity disorders; * b. Patients requiring medication for sleep, or with a history of sleep disorders; * c. Presence of neurological diseases; * d. Pregnancy; * e. Severe hepatic or renal dysfunction; * f. History of anesthetic drug abuse or alcohol abuse; * g. History of adverse anesthesia events (difficult airway, allergy to anesthetic agents).

Primary outcome measure(s)

The dose of sedative medications — Perioperative
The dose of sedative medications required during the induction period in patients

Trial sites (1)

Facility	City	Region	Status
Peking University People's Hospital	Beijing	China	Recruiting

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07517484 on ClinicalTrials.gov ↗ ← All trials in China