# Penicillin Allergy Testing in STD Clinics

> **NCT04620746** · PHASE4 · COMPLETED · sponsor: **Johns Hopkins University** · enrollment: 284 (actual)

## Conditions studied

- Penicillin Allergy

## Interventions

- **DRUG:** Penicillin Major Determinant (PrePen) Skin Testing
- **DRUG:** Direct Oral challenge

## Key facts

- **NCT ID:** NCT04620746
- **Lead sponsor:** Johns Hopkins University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-01
- **Primary completion:** 2022-12-31
- **Final completion:** 2022-12-31
- **Target enrollment:** 284 (ACTUAL)
- **Last updated:** 2023-09-21

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04620746

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04620746, "Penicillin Allergy Testing in STD Clinics". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04620746. Licensed CC0.

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