Determination of the Appropriate Butorphanol Dosage for Anesthesia of Patients undergoing Upper gastrointestinal endoscopy and Colonoscopy

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000031506

Enrollment

Unknown

Registered

2020-04-03

Start date

2019-03-01

Completion date

Unknown

Last updated

2020-04-20

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

Conditions

Gastrointestinal endoscopy Anesthesia

Interventions

Four groups:injection of different doses of Butorphanol before operation

Eligibility

Sex/Gender

All

Age

19 Years to 85 Years

Inclusion criteria

Inclusion criteria: (1) aged 19-85; (2) patients undergo upper gastrointestinal endoscopy and colonoscopy; (3) ASA I, II; (4) stable ASA III.

Exclusion criteria

Exclusion criteria: (1) unstable coronary artery disease; (2) severe liver and kidney insufficiency; (3) severe OSAHS and obesity (BMI>=30); (4) severe neurological diseases ; (5) fasting < 6h, drinking < 2h); (6) history of drug abuse, sedative drug allergy; (7) conventional endoscopic operation contraindications; (8) pregnant women or persons not accompanied by their family members; (9) low experience in endoscopic surgery; (10) cognitive impairment before or after surgery; (11) hyperthyroidism or hypothyroidism.

Design outcomes

Primary

Measure	Time frame
injection pain;Procedure success rates;postoperative recovery time;PACU retention time;hypoxemia;cough;postoperative nausea and vomiting;dizziness;	—

Secondary

Measure	Time frame
consumption of propofol;hemodynamics indexes;	—

Contacts

Public ContactSUN De-feng

The First Affiliated Hospital of Dalian Medical University

sdf-yl@163.com+86 18098876191

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 22, 2026