| Penicillin De-labeling in the Pediatric Primary Care Setting (NCT05010304) | University of Texas Southwestern Medical Center | 2021-12-09 |
| Inpatient Penicillin Allergy Delabeling Study (NCT05020327) | University Hospitals Cleveland Medical Center | 2021-09-22 |
| Penicillin Allergy Delabeling Project (NCT05090527) | Haukeland University Hospital | 2021-07-28 |
| Penicillin Allergy Testing in STD Clinics (NCT04620746) | Johns Hopkins University | 2021-06-01 |
| The Effect of Providing Stratification of Low Risk Penicillin Allergies on Penicillin Allergy Label Removal (NCT03702270) | Vanderbilt University Medical Center | 2020-11-11 |
| Effect of Providing Stratification of Low Risk Penicillin Allergies on Penicillin Allergy Label Removal in ICU Setting (NCT03702283) | Vanderbilt University Medical Center | 2019-03-31 |
| Penicillin Allergy Testing and Resensitization Rate (NCT03942731) | Centre Hospitalier Régional Metz-Thionville | 2019-02-01 |
| Amoxicillin Challenge for Penicillin Allergy Diagnosis (NCT03757052) | CHU de Quebec-Universite Laval | 2018-11-20 |
| Penicillin Allergy in Shfayim Clinic (NCT03499457) | Clalit Health Services | 2018-06-01 |
| Oral Challenge in the Pediatric ED (NCT03404804) | Medical College of Wisconsin | 2017-12-04 |
| Beta-lactam Pharmacokinetics in Secondary Care (NCT03033394) | Imperial College London | 2017-07-12 |
| The Frequency of Positive Challenge Test to Penicillin in Children Suspected to Have Allergy to Penicillin (NCT02702349) | Hillel Yaffe Medical Center | 2016-04-01 |
| Drug Challenges Without Prior Skin Testing (NCT03158831) | Montefiore Medical Center | 2016-01-13 |
| Perioperative Antibiotic Choices for Surgical Prophylaxis in Penicillin-allergic Pediatric Patients (NCT02036840) | Joseph D. Tobias | 2013-01-01 |
| The Diagnosis of Beta-lactam Hypersensitivity in Thailand (NCT01667055) | Chulalongkorn University | 2012-06-01 |
| Penicillin Skin Testing in Patients With History of Allergic Reactions to Betalactams (NCT00789217) | Chulalongkorn University | 2008-12-01 |
| Equivalency of Penicilloate Skin Test Reactivity Prepared by a Modified Alkaline Hydrolysis Technique (NCT00589251) | Mayo Clinic | 2008-06-01 |
| Treating Patients With a History of Non-Life Threatening Allergic Reaction to Penicillin With Penicillin (NCT00363688) | Meir Medical Center | 1998-01-01 |