Could a 1-Hour allergy prevention be as safe as 4 hours for emergency CT scans?
Symptom relief
Not yet recruiting
This study compares a 1-hour versus a 4-hour intravenous premedication regimen to prevent allergic reactions to CT contrast dye in emergency patients with a known allergy. About 540 adults with a documented contrast allergy who need an urgent CT scan will be randomly assigned to …
Phase: NA • Sponsor: Paul Peng, MD PhD MSCR • Aim: Symptom relief
Last updated May 14, 2026 12:02 UTC