Geneva, Feb. 2 -- International Clinical Trials Registry received information related to the study (ChiCTR2600117025) titled 'The Effect of Opioid-Free Anesthesia on Arterial Blood Pressure Stability During General Anesthesia Induction in Elderly Patients' on Jan. 19.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The First Affiliated Hospital of Zhengzhou University

Condition: Intraoperative hypotension

Intervention: Opioid-free anaesthesia:Adopting an opioid-free anesthesia protocol

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-02-01

Target Sample Size: Opioid-free anaesthesia:35;Control group:35;

Countries of Recruitment: China

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