Hospital study aims to clear up penicillin allergy confusion
NCT ID NCT07194824
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new approach to safely remove incorrect penicillin allergy labels from hospitalized patients. Many people are wrongly labeled as allergic, which limits their treatment options. The goal was to see how often the allergy label could be removed after proper evaluation.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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165 people
The number who actually took part.
- Started
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Apr 2024
- Finished
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May 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age \> 18 years * Ability to understand the study after reading the patient information sheet (Appendix II) and providing signed consent for participation (Appendix III: informed consent form). * Patients with a reported allergy to penicillin and/or cephalosporins that has not been investigated or with inconclusive prior testing. Exclusion Criteria \- None
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Althaia
Manresa, Barcelona, 08243, Spain
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C/ dr.Joan Soler 1-3
Manresa, Barcelona, 08243, Spain
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