Comparison of IV-PCA of fentanyl and morphine in management of postoperative pain after abdominal surgery

Comparison of IV-PCA of fentanyl and morphine in management of postoperative pain after abdominal surgery - IV-PCA fentanyl vs. morphine

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000011195

Enrollment

Registered

2013-07-20

Start date

2013-08-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

major abdominal surgery

Interventions

Group Fentanyl(n=20) Group Morphine(n=20)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: After obtaining approval from the institutional review board of our hospital and written informed consent from each patient, 40 patients (American Society of Anesthesiologists physical status I-II) scheduled for elective major abdominal laparotomy under general anesthesia were enrolled in this study.

Exclusion criteria

Exclusion criteria: Patients were excluded if they were younger than 18 years or older than 80 years of age, had a history of allergy to opioids, had daily intake of opioids for a period of more than 1 week, had known or suspected drug abuse, were pregnant, or were unable to understand a pain scale or use a PCA device.

Design outcomes

Primary

Measure	Time frame
Pain score Additional analgesia Adverse effects(nausea, sedation, respiratory dysfunction)	—

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026