Geisinger Antibiotic Allergy Pilot Program: Assess and Address

Stopped early · Early Phase 1

Conditions studied: Penicillin Allergy

In brief

This is a prospective non-inferiority study to evaluate penicillin allergy history in patients with reported penicillin allergy, who require penicillin or penicillin-derivative antibiotic during inpatient admission using a focused questionnaire. A simplified scoring system will be assigned to patient responses, and the total score will be utilized to identify low-risk patients that have a minimal risk of allergic reactions on exposure to penicillin or its derivative. Patients determined to have low risk based on this questionnaire will be offered a test dose (graded challenge) of amoxicillin in a supervised setting, and if they tolerate it, penicillin allergy label will be removed from patient's chart. We hypothesize that at least 95% of low-risk patients will successfully pass the graded amoxicillin challenge so the penicillin allergy label can be removed from their charts. A proportion as low as 0.85 would be a good clinical outcome and considered non-inferior to the expected proportion of 0.95.

Key facts

Study ID

NCT05464615

Run by

Geisinger Clinic

People needed

20

Starts

2024-03-04

Expected to finish

2026-01-20

Last updated by the study team

2026-07-20

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Hospitalized male or female patients with a history of Penicillin (PCN) allergy or PCN-derivative allergy as reported by patient or documented in Epic
• ≥18 years of age
• Patients with a medical need for treatment with a PCN or PCN-derivative or other beta-lactam antibiotics as determined by an inpatient provider
• Able and willing to provide consent in English.

You may not qualify if…

• History of documented immediate-onset severe allergic reaction or delayed onset hypersensitivity reaction to a PCN or PCN-derivative
• Patients who are hemodynamically unstable (e.g., pulse oximetry O2 saturation <90 %, respiratory rate >=21 per minute, severe hypoxia requiring non-invasive ventilation, high-flow nasal canula, or mechanical ventilation, refractory hypotension requiring vasopressor support, heart rate >100 beats per minute, etc.)
• Patients with uncontrolled pulmonary diseases (like exacerbation of asthma, Chronic Obstructive Pulmonary Disease (COPD), and/or other forms of chronic lung diseases)

Where it is running

• Geisinger Medical Center — Danville, Pennsylvania, United States
• Geisinger Lewistown Hospital — Lewiston, Pennsylvania, United States
• Geisinger Community Medical Center — Scranton, Pennsylvania, United States
• Geisinger Wyoming Valley — Wilkes-Barre, Pennsylvania, United States

Full record on ClinicalTrials.gov

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