At a glance
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Inpatient Penicillin Allergy Delabeling Pilot Project at University Hospitals-Rainbow Babies and Children's Hospital in Cleveland, Ohio
In Brief
A Phase 4 clinical trial evaluating Graded Oral Amoxicillin Challenge, De-labelling in electronic medical record, and 1 other intervention for Penicillin Allergy and 3 related conditions. Completed, enrolled 40 participants across 1 site.
Detailed Summary
The study will identify pediatric patients 3-18 years old who have penicillin allergy label in the electronic medical record. Those who are identified will be stratified into no-risk, low-risk and high-risk category using a screening questionnaire. The following definitions will be followed: No-risk: Patients who are historically labeled with penicillin allergy in the EMR based on family history alone OR those who have tolerated penicillin after a concerning incident without any reaction OR with penicillin allergy label but deny any history of reaction to any form of penicillin on screening questionnaire Low-risk: Patients with previous reaction not suggestive of anaphylaxis (defined below) AND not requiring hospitalization for the reaction OR reaction considered non- immunologic (e.g. diarrhea, nausea, yeast vaginitis) OR exposure to penicillin- containing antibiotic after the date of reported reaction with no anaphylaxis and hospitalization AND no serious types of delayed reactions such as Steven- Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), acute interstitial nephritis (AIN), drug-induced hepatitis or other documented organ injury, drug rash eosinophilia systemic symptoms (DRESS), hemolytic anemia, drug-induced cytopenia, and serum sickness. Patients who had delayed reaction (onset more than 24 hours) of isolated, non-progressive symptoms (such as rash/hives alone) also belong to this group. High-risk: Patients with penicillin allergy label on EMR with previous reaction suggestive of anaphylaxis (defined below) OR requiring hospitalization/epinephrine administration for the reaction OR reactions considered immunologic (angioedema, joint pains) OR involving serious types of reactions such as Steven-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), acute interstitial nephritis (AIN), drug-induced hepatitis or other documented organ injury, drug rash eosinophilia systemic symptoms (DRESS), hemolytic anemia, drug-induced cytopenia, and serum sickness. Patients who were previously diagnosed with penicillin allergy by an allergist also belong to the high-risk group. Patients in the no-risk group will be immediately delabeled. Patients in the high-risk group will be referred to allergy/immunology for further work up. The focus of this study is to identify the patients who belong to the low-risk group. This group of patients will be subjected to graded oral amoxicillin challenge testing. Those who will have reactions compatible with allergy will have their allergy status retained in the electronic medical record. Those that will not have reactions or those that will have reactions that are not compatible with allergy will be delabeled in the electronic medical record.
Study Details
Timeline
Interventions
Oral amoxicillin at 45 mg/kg (maximum of 1000 mg) to be divided into two doses: 10 % initial dose and then 90% remaining dose - doses will be separated by 30 minute interval
Patients with No Risk for allergic reaction will be de-labelled for allergy in the electronic medical record.
Patients deemed to be High Risk for allergic reaction will be referred to Allergy Immunology as outpatient and allergy label will be retained.