None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Adults aged 18 years or older who had been admitted to the outpatient clinic 2. Documented history of an acute index ICM-associated ADR with available information on the administered ICM, and the type and severity of the index reaction 3. Clinical indication for receiving a contrast-enhanced CT examination 4. eGFR = 30 mL/min/1.73m²
Exclusion criteria
Exclusion criteria: 1. an acute index ICM-associated ADR classified as anaphylaxis 2. acute index ICM-associated ADRs by both side chain groups, so that a different or common side chain agent could each be defined for random allocation 3. Administration of any ICM within 7 days prior to screening 4. Presence of ICM specifically recommended by an allergist that would conflict with random allocation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Recurrence rate of acute contrast agent adverse reaction according to the change in contrast agent type based on the presence or absence of Carbamoyl side chain | — |
Secondary
| Measure | Time frame |
|---|---|
| Recurrence rate of delayed contrast agent adverse reaction according to the change in contrast agent type based on the presence or absence of Carbamoyl side chain;Severity distribution of recurrence rate of acute contrast agent adverse reaction according to the change in contrast agent type based on the presence or absence of Carbamoyl side chain;The rate of acute recurrent adverse reaction severity downgrading, defined as the occurrence of a recurrent acute adverse reaction of lesser severity than the prior worst reaction or no recurrence | — |
Countries
Korea, Republic of
Contacts
Asan Medical Center