Skip to content

Antibiotic therapy vs. placebo in the treatment of acute uncomplicated appendicitis: a prospective randomized double-blind placebo-controlled trial - APPAC III

Status
Not yet recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-520761-44-00
Enrollment
72
Registered
2025-01-29
Start date
Unknown
Completion date
Unknown
Last updated
2025-01-29

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

Conditions

Uncomplicated acute appendicitis

Brief summary

The primary endpoint is the success of the randomized treatment (treatment efficacy). The treatment success is defined as the resolution of acute appendicitis with study treatment resulting in discharge from the hospital without the need for surgical intervention and treatment efficacy evaluated at ten days after initiation of the randomized treatment.

Detailed description

Secondary endpoints include post-intervention complications (Clavien-Dindo classification), late recurrence of acute appendicitis after study treatment defined as clear clinical suspicion of acute appendicitis evaluated at follow-up of one, three, five and ten years, duration of hospital stay, VAS scores, quality of life (QOL, 15D), sick leave and treatment costs.

Interventions

DRUGERTAPENEM
DRUGMETRONIDAZOLE
DRUGLEVOFLOXACIN
DRUGThe placebo used in the study was manufactured by the hospital pharmacy. Both the investigational drugs and the placebo were packaged in identical containers by the hospital pharmacy to ensure blinding.

Sponsors

Turku University Hospital
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
The primary endpoint is the success of the randomized treatment (treatment efficacy). The treatment success is defined as the resolution of acute appendicitis with study treatment resulting in discharge from the hospital without the need for surgical intervention and treatment efficacy evaluated at ten days after initiation of the randomized treatment.

Secondary

MeasureTime frame
Secondary endpoints include post-intervention complications (Clavien-Dindo classification), late recurrence of acute appendicitis after study treatment defined as clear clinical suspicion of acute appendicitis evaluated at follow-up of one, three, five and ten years, duration of hospital stay, VAS scores, quality of life (QOL, 15D), sick leave and treatment costs.

Countries

Finland

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026