Geneva, March 23 -- International Clinical Trials Registry received information related to the study (ChiCTR2600120032) titled 'The dose-response of alfentanil combined with remimazolam on bronchoscopy in elderly patients' on March 9.

Study Type: Interventional study

Study Design: Single arm

Primary Sponsor: Zhejiang Rongjun Hospital

Condition: Bronchoscopy

Intervention: Experimental Group:If the result is negative, it is considered a success, and the alfentanil dosage for the next patient is reduced by one level

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-03-10

Target Sample Size: Experimental Group:30;

Countries of Recruitment: China

To know more, visit https://www.chictr.org.cn/showpr...