NCT05966454

Brief Summary

The purpose of this study is to demonstrate the safety, efficacy, and feasibility of short-course post-operative antibiotic treatment for simple and complicated appendicitis

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
145

participants targeted

Target at P50-P75 for phase_4

Timeline
1mo left

Started Jun 2023

Typical duration for phase_4

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress95%
Jun 2023Jun 2026

Study Start

First participant enrolled

June 6, 2023

Completed
24 days until next milestone

First Submitted

Initial submission to the registry

June 30, 2023

Completed
28 days until next milestone

First Posted

Study publicly available on registry

July 28, 2023

Completed
2.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2026

Last Updated

May 8, 2025

Status Verified

May 1, 2025

Enrollment Period

3.1 years

First QC Date

June 30, 2023

Last Update Submit

May 5, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Incidence of Infectious/Antibiotic Complications

    Infectious/antibiotic complication requiring antibiotic treatment only, Emergency Department visit, hospital readmission, percutaneous drainage, and operative intervention as assessed by treating physician.

    Up to 30 days after appendicitis surgery

  • Number of participant deaths

    Up to 30 days after appendicitis surgery

    Up to 30 days after appendicitis surgery

Study Arms (2)

Restricted Post-Operative Antibiotics Group

EXPERIMENTAL

Participants undergoing standard of care (SOC) with simple appendicitis will not receive post-operative antibiotics. Participants undergoing standard of care with complicated (gangrenous or perforated) appendicitis will receive up to 24 hours of SOC post-operative antibiotics.

Drug: Multiple standard of care antibiotics for appendicitis, at physicians' discretion

Liberal Post-Operative Antibiotics Group

ACTIVE COMPARATOR

Participants undergoing standard of care with simple appendicitis will receive 24 hours of post-operative SOC antibiotics Participants undergoing standard of care with complicated (gangrenous or perforated) appendicitis will receive 4 days of post-operative SOC antibiotics.

Drug: Multiple standard of care antibiotics for appendicitis, at physicians' discretion

Interventions

Standard of Care Antibiotic use will be restricted to none or up to 24 hours of post-operative antibiotics.

Restricted Post-Operative Antibiotics Group

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥ 18 years
  • Age ≥ 18 years
  • Planned appendectomy (laparoscopic or open)
  • Working telephone number or reliable method to contact patient after hospital discharge

You may not qualify if:

  • Unable to consent
  • Pregnant Women
  • Prisoners
  • Immunocompromised as determined by clinical team, or patients actively receiving steroids, chemotherapy, or immunosuppressing medications (for example tacrolimus), or patients with active hematologic malignancy affecting the immune system, leukopenia, or end-stage AIDS
  • Heart failure
  • Allergy to bupivacaine
  • Unlikely to comply with treatment or follow-up
  • Inpatient consultation for appendicitis
  • Clinically suspected of sepsis based on Sepsis-3 definition
  • Current use of antibiotics for other indications
  • Type 1 Diabetes or uncontrolled hyperglycemia
  • Surgeon preference
  • Patient preference
  • Research team unavailable

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Zuckerberg San Francisco General Hospital

San Francisco, California, 94110, United States

RECRUITING

MeSH Terms

Conditions

Appendicitis

Condition Hierarchy (Ancestors)

Intraabdominal InfectionsInfectionsGastroenteritisGastrointestinal DiseasesDigestive System DiseasesCecal DiseasesIntestinal Diseases

Study Officials

  • Lucy Kornblith, MD

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Lucy Kornblith, MD

CONTACT

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 30, 2023

First Posted

July 28, 2023

Study Start

June 6, 2023

Primary Completion (Estimated)

June 30, 2026

Study Completion (Estimated)

June 30, 2026

Last Updated

May 8, 2025

Record last verified: 2025-05

Data Sharing

IPD Sharing
Will share

Patient data will be shared with Denver health and combined with data from other independent sites for final analysis

Shared Documents
STUDY PROTOCOL
Time Frame
Beginning 9 months and ending 36 months following article publication
Access Criteria
Investigators whose proposed use of the data has been approved by an independent review committee identified for this purpose

Locations