Study on the Impact of Early Analgesia with Hydromorphinone on the Diagnostic Accuracy of Patients with Acute Abdomen

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2500108497

Enrollment

Unknown

Registered

2025-09-01

Start date

2025-09-01

Completion date

Unknown

Last updated

2025-09-08

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

Conditions

Acute abdominal disease

Interventions

Early analgesia group:Hydromorphone 2mg intravenously administered within 30 minutes of visit (standard dose)

Early low-dose group:Hydromorphone 1mg intravenously administered within 30 minutes of the visit

Delayed analgesia group:Hydromorphone 2mg intravenously given after diagnosis or 60 minutes after visit

Eligibility

Sex/Gender

All

Age

18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Age 18-75 years old; 2. Complaints of acute abdominal pain (onset =4 points; 4. Non-acute abdomen such as trauma, abdominal aortic aneurysm, and acute myocardial infarction are ruled out after preliminary evaluation.

Exclusion criteria

Exclusion criteria: 1.Consciousness disorder or mental illness; 2. Pregnancy or lactation; 3. Severe liver and kidney insufficiency (creatinine>200µmol/L); 4. Terminal stage of malignant tumors.

Design outcomes

Primary

Measure	Time frame
Diagnostic accuracy;	—

Secondary

Measure	Time frame
NRS pain score;	—

Countries

China

Contacts

Public ContactSun Liang

Shandong Provincial Third Hospital

sun_linquan@163.com+86 531 8165 6639

Outcome results

None listed

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