# Daily Doxycycline for Early Syphillis

> **NCT06683638** · PHASE2 · RECRUITING · sponsor: **University of Washington** · enrollment: 15 (estimated)

## Conditions studied

- Syphilis

## Interventions

- **DRUG:** Doxycycline 200mg daily for 14 days

## Key facts

- **NCT ID:** NCT06683638
- **Lead sponsor:** University of Washington
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-03-03
- **Primary completion:** 2026-06-26
- **Final completion:** 2026-06-26
- **Target enrollment:** 15 (ESTIMATED)
- **Last updated:** 2025-06-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06683638

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06683638, "Daily Doxycycline for Early Syphillis". Retrieved via AI Analytics 2026-08-18 from https://api.ai-analytics.org/clinical/NCT06683638. Licensed CC0.

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