Geneva, April 28 -- International Clinical Trials Registry received information related to the study (ChiCTR2600122583) titled 'ED90 of Remifentanil during Remimazolam Sedation for Gastrointestinal Endoscopy in Elderly Patients: A Biased-Coin Up-and-Down Sequential Trial' on April 15.

Study Type: Interventional study

Study Design: Single arm

Primary Sponsor: The Fifth People's Hospital of Huai'an

Condition: Painless Gastroenteroscopy in Elderly Patients

Intervention: Single-Arm Sequential Study:Remimazolam 0.3 mg/kg intravenous bolus induction, followed by dynamic remifentanil dose adjustment (initial 0.10 µg/kg, increment 0.02 µg/kg, range 0-0.40 µg/kg) for dose exploration if sedation inadequacy or positive respon...