Geneva, Feb. 2 -- International Clinical Trials Registry received information related to the study (ChiCTR2600117081) titled 'A study comparing the analgesic effects of afentanil combined with magnesium sulfate versus afentanil alone in painless colonoscopy' on Jan. 20.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Lu'an City Traditional Chinese Medicine Hospital

Condition: Painless colonoscopy

Intervention: Non-sulfate magnesium group (Group C):Ten minutes before anesthesia induction, an equal volume of saline (placebo) was administered intravenously.

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-01-22

Target Sample Size: Non-sulfate magnesium group (Group C):80;Mag...