Morning or afternoon surgery? study tests if body clock alters anesthesia safety

NCT ID NCT07686432

Not yet recruiting Knowledge-focused Sponsor: Jie Chen Source: ClinicalTrials.gov ↗

First seen Jul 07, 2026 · Last updated Jul 08, 2026 · Updated 1 time

Summary

This study looks at whether having surgery in the morning versus the afternoon changes how well the sedative ciprofol works and how smoothly patients recover. Researchers will compare adults having non-emergency surgery starting between 8-11 AM or 2-5 PM. The goal is to see if the body's natural daily rhythm affects blood pressure drops during anesthesia and overall recovery quality.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: ciprofol
What this could lead to: If timing matters, doctors may schedule surgeries to improve anesthesia safety and recovery.
What could go wrong: This is an observational study, not a treatment test. Results may show no clear difference or may not apply to all patients.

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Conditions

The condition(s) this trial relates to.

channelopathy-associated congenital insensitivity to pain, autosomal recessive circadian rhythm sleep disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ANESTHETICS ADVERSE REACTION CIPROFOL CIRCADIAN RHYTHM HEMODYNAMIC INSTABILITY

Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

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