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Effect of dexmedetomidine nasal spray on postoperative delirium in elderly patients with gastrointestinal tumors: a randomized controlled study

Effect of dexmedetomidine nasal spray on postoperative delirium in elderly patients with gastrointestinal tumors: a randomized controlled study

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500106763
Enrollment
Unknown
Registered
2025-07-30
Start date
2025-08-02
Completion date
Unknown
Last updated
2025-08-18

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

Conditions

Postoperative delirium in the elderly

Interventions

Test group:Dexmedetomidine nasal spray nasal spray
Control group :There was no blank control for dexmedetomidine nasal spray

Sponsors

Affiliated Cancer Hospital and Institute of Guangzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 85 Years

Inclusion criteria

Inclusion criteria: (1) The age of the patient is 65-85 years old; (2) Patients undergoing radical surgery for gastrointestinal cancer under tracheal intubation and general anesthesia; (3) American Society of Anesthesiologists (ASA) physical status I~III; (4) Education level: primary school or above; (5) Able to communicate normally; (6) The patient voluntarily participates and signs the informed consent form.

Exclusion criteria

Exclusion criteria: (1) Participate in other clinical trials in the past 3 months; (2) People who are allergic to dexmedetomidine; (3) The patient has severe rhinitis, deformity or nasal surgery in the past; (4) For those with education level below primary school, the cognitive function score of the Preoperative Mini-Mental State Examination (MMSE) was 180/110mmHg and<90/60mmHg).

Design outcomes

Primary

MeasureTime frame
Incidence of postoperative delirium;

Secondary

MeasureTime frame
Anxiety scores;Incidence of sleep disturbances;C-reactive protein;Quality of perioperative recovery;Postoperative pain score;Cognitive function score;

Countries

China

Contacts

Public ContactWu Wenfeng

Affiliated Cancer Hospital and Institute of Guangzhou Medical University

2295076221@qq.com+86 20 6667 3666

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026