# Phase 4 Comparative Trial of Benzathine Penicillin G for Treatment of Early Syphilis in Subjects With or Without HIV Infection

> **NCT03637660** · PHASE4 · COMPLETED · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 249 (actual)

## Conditions studied

- Syphilis

## Interventions

- **DRUG:** Benzathine Penicillin

## Key facts

- **NCT ID:** NCT03637660
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-10-31
- **Primary completion:** 2022-09-07
- **Final completion:** 2023-03-20
- **Target enrollment:** 249 (ACTUAL)
- **Last updated:** 2025-01-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03637660

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03637660, "Phase 4 Comparative Trial of Benzathine Penicillin G for Treatment of Early Syphilis in Subjects With or Without HIV Infection". Retrieved via AI Analytics 2026-07-09 from https://api.ai-analytics.org/clinical/NCT03637660. Licensed CC0.

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