What does this research mean for the field?

Conducting a double-blind, placebo-controlled trial of single-dose versus multidose oral amoxicillin challenge in patients with penicillin allergy is feasible. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to evaluate the feasibility of a prolonged multi-dose oral amoxicillin challenge compared to a single dose in individuals with penicillin allergy.

February 27, 2026

Feasibility Trial of Prolonged versus Single-Dose Challenge in Penicillin Allergy

Key Points

The aim is to evaluate the feasibility of a prolonged multi-dose oral amoxicillin challenge compared to a single dose in individuals with penicillin allergy.
Conducted a double-blind, placebo-controlled randomized trial
Compared single-dose versus multidose oral amoxicillin challenge
Involved participants with penicillin allergy
Demonstrated feasibility of conducting the trial
Found that a fully powered efficacy trial is necessary to assess between-group differences in adverse events

Abstract

Conducting a double-blind, placebo-controlled randomized trial of single-dose versus multidose oral amoxicillin challenge was feasible. A fully powered efficacy trial is needed to assess between-group differences in immune-mediated adverse events. (Funded by Austin Health and others; trial registration: ANZCTR - ACTRN12623001242617, registered on November 30, 2023.).

Feasibility Trial of Prolonged versus Single-Dose Challenge in Penicillin Allergy

Key Points

Abstract

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