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Protocol Based Selective Imaging Versus Routine Computed Tomography or Ultrasound in Suspected Appendicitis

Sponsor: Helsinki University Central Hospital • ClinicalTrials.gov ID: NCT06083064

Registry updated: 2026-09-18

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Description

The goal of this clinical trial is to compare protocol based selective imaging to routine imaging in adult patients with suspected appendicitis. The main question\[s\] it aims to answer are: * Does protocol based selective imaging using clinical scoring affect clinical outcome? * Does protocol based selective observation combined with score based selective imaging affect clinical outcome? Participants will be randomized into three groups: * Selective imaging based on Adult Appendicitis Score * Selective observation based on Appendicitis Severity Score combined with selective imaging based on Adult Appendicitis Score * Routine imaging using ultrasound and/or computed tomography Researchers will compare selective imaging groups separately with routine imaging to see if number of negative appendectomies or number of complicated appendicitis is not significantly increased.

Interventions

Abdominal imaging (Diagnostic test)
Abdominal ultrasound and/or abdominal CT
Score based selective abdominal imaging (Other)
Abdominal imaging is done selectively based on Adult Appendicitis Score
Score based selective observation combined with selective abdominal imaging (Other)
Observation based on Appendicitis Severity Score combined Adult Appendicitis Score based selective abdominal imaging

Eligibility criteria

Inclusion Criteria: \- Suspicion of appendicitis Exclusion Criteria: * Time from symptom onset over 72 hours * Age \<18 years * Pregnancy, ruled out by serum or urine HCG measurement in 18- to 49-year-old women * CT-scan or ultrasound already done within the last 3 days (72 hours) * Clinical suspicion of other disease or other reason to perform imaging study * Recruited earlier to the same trial

Conditions

Appendicitis

Locations

HUS, Jorvi Hospital — Espoo, Finland
HUS, Meilahti Hospital — Helsinki, Finland
HUS, Hyvinkää Hospital — Hyvinkää, Finland

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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