Outcome of Patients After a Negative Oral Challenge to Amoxicillin


This study aims to evaluate the outcome of patients who had a negative oral challenge to Amoxicillin

Full Title of Study: “Study of Patient’s Outcomes After a Negative Reintroduction Test for Amoxicillin”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Prospective
  • Study Primary Completion Date: August 31, 2022

Detailed Description

This is a prospective, single-center, non-interventional study of patients with negative Amoxicillin oral challenge performed at Angers University Hospital between 2017 and 2019. An information letter indicating the purpose of the study is sent to eligible patients. If they do not object, patients are contacted by telephone to answer the questionnaire. This questionnaire concerns the reintroduction of penicillins at home after the challenge.


  • Drug: Amoxicillin
    • Outcome of patients with negative oral challenge to amoxicillin

Clinical Trial Outcome Measures

Primary Measures

  • Resumption of Amoxicillin after a negative oral challenge to Amoxicillin
    • Time Frame: Oral challenge test oxxuring between 2017 and 2019, and follow-up until the day of the call
    • The main objective is to know if patients who had a negative test for reintroduction of Amoxicillin, have resumed this molecule afterwards.

Participating in This Clinical Trial

Inclusion Criteria

  • Patients whith a negative challenge to Amoxicillin in the Allergology Department of the CHU of Angers between 2017 and 2019. – Major patients. Exclusion Criteria:

  • Poor comprehension of the French language or cognitive disorders affecting the reliability of the questionnaire – Person objecting to participate in this research and to the processing of their medical data

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • University Hospital, Angers
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Contact(s)
    • Martine Morisset, MD, (33) 02 41 35 35 51, Martine.Morisset@chu-angers.fr

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