control group:Saline nasal spray

2 trials

Sponsors

Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital

Conditions

Perioperative HemodynamicsPregnant women

Phase 4

The application of butorphanol nasal spray in epidural labor analgesia and the effect of single nucleotide polymorphism of opioid receptor gene on analgesia: a randomized controlled trial.

Active, not recruitingChiCTR2000032778

Affiliated Shenzhen Maternity and Child Healthcare Hospital, Southern Medical UniversityPregnant women

Start: 2020-06-18Updated: 2020-06-29

Unknown Phase

Efficacy of Dexmedetomidine nasal spray on Perioperative Hemodynamics in Patients with Hypertension Undergoing Major Noncardiac Surgery

Active, not recruitingChiCTR2400086576

National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalPerioperative Hemodynamics

Start: 2024-07-05Updated: 2024-07-08