A clinical study of pupil monitoring to assess the depth of painless colonoscopic anesthesia

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2300067618

Enrollment

Unknown

Registered

2023-01-13

Start date

2022-08-15

Completion date

Unknown

Last updated

2023-05-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sedation

Interventions

C Group:Apply the drug according to experience and physical action

B Group:Control BIS between 40-60

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Patients to undergo painless colonoscopy; age >= 18 years; clear consciousness and good compliance

Exclusion criteria

Exclusion criteria: Patients with ocular diseases such as iris disease; those using perioperative drugs affecting cardiovascular and anticholinesterase; patients with unequal pupils (bilateral pupil diameter difference = 0.5mm).

Design outcomes

Primary

Measure	Time frame
Pupil diameter;pupillary light reflex velocity;Bispectral index;	—

Countries

China

Contacts

Public ContactLi Mengmeng

The Fourth Medical Center of PLA General Hospital

mmli304@163.com+86 134 0100 0778

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026