Could a 1-Hour allergy shot replace the 4-Hour wait for emergency CT?
Symptom relief
Not yet recruiting
This study tests whether giving a steroid and antihistamine just 1 hour before a CT scan is as safe as the standard 4-hour premedication for people with contrast allergies. It involves 540 emergency department adults who need a CT for a serious condition. If successful, it could …
Phase: NA • Sponsor: Paul Peng, MD PhD MSCR • Aim: Symptom relief
Last updated Jun 27, 2026 09:06 UTC