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Oral Lactulose for Gastrointestinal Recovery After Complex Appendectomy

NCT07589465 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 150

Last updated 2026-05-15

No results posted yet for this study

Summary

This is a prospective, triple-blind, placebo-controlled, single-center randomized clinical trial to evaluate the efficacy and safety of early oral lactulose for promoting postoperative gastrointestinal functional recovery in patients undergoing appendectomy for complicated appendicitis. Eligible patients aged ≥18 years with complicated appendicitis confirmed by preoperative SAS 2.0 score, intraoperative findings, or postoperative pathology will be randomly assigned 1:1 to receive oral lactulose or placebo on postoperative day 1 and day 2. The primary outcome is time to GI-2 (time from surgery to the later of first defecation or first tolerance of solid food). Secondary outcomes include time to first flatus, defecation rate within 72 hours, postoperative nausea and vomiting, length of hospital stay, medical costs, postoperative complications, and lactulose-related adverse events. A total of 150 patients will be enrolled. This study aims to provide high-level evidence for optimizing postoperative management in patients with complicated appendicitis.

Conditions

  • Ileus Postoperative
  • Gastrointestinal Function
  • Complicated Appendicitis

Interventions

DRUG

Lactulose oral solution

Lactulose oral solution 20mL on postoperative day 1, 20mL on postoperative day 2. If no flatus or defecation by postoperative day 3, continue 20 mL once daily until gastrointestinal function recovery.

DRUG

Placebo

Placebo (5% glucose solution) 20 mL on postoperative day 1 and 20 mL on postoperative day 2. Matching appearance, volume, and schedule with lactulose.

Sponsors & Collaborators

  • Nanchong Central Hospital

    lead OTHER_GOV

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-04-30
Primary Completion
2027-06-30
Completion
2027-06-30

Countries

  • China

Study Locations

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Entities

Drugs

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07589465 on ClinicalTrials.gov