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NCT05002829: CASA RELAX

Restricted or Liberal Antibiotics After Appendectomy - Denver Health

Completed NA Last updated 31 October 2025
What this trial tests

NA trial testing Restricted Duration of SOC Antibiotic Use in Appendicitis in 657 participants. Completed in 16 July 2025.

Timeline
1 November 2021
Primary endpoint
16 July 2025
16 July 2025

Quick facts

Lead sponsorDenver Health and Hospital Authority
PhaseNA
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingnone
Primary purposetreatment
Enrollment657
Start date1 November 2021
Primary completion16 July 2025
Estimated completion16 July 2025
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

Denver Health and Hospital Authority

Who can join

18 and older, any sex, with Appendicitis. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The purpose of this study is to see if decreasing the amount of antibiotics after appendicitis surgery can decrease the risk of adverse effects associated with antibiotics while at the same time ensuring participant safety.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. Complex And Simple Appendicitis: REstrictive or Liberal postoperative Antibiotic eXposure (CASA RELAX) using Desirability of Outcome Ranking (DOOR) and Response Adjusted for Duration of Antibiotic Risk (RADAR): study protocol for a randomized controlled trial.
    Yeh DD, Hatton GE, Pedroza C, Pust G, et al · · 2022 · cited 2× · PMID 36148315 · DOI 10.1136/tsaco-2022-000931

Verify or expand the search:

Other recruiting trials for Appendicitis

Currently open trials in the same condition.

Other Denver Health and Hospital Authority trials

Trials by the same sponsor.

Verify against primary sources

Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT05002829.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing